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January Weather at Salgado Filho International Airport Brazil

Daily high temperatures are around 86°F, rarely falling below 78°F or exceeding 95°F. The highest daily average high temperature is 86°F on January 20.

Daily low temperatures are around 69°F, rarely falling below 63°F or exceeding 75°F.

For reference, on January 20, the hottest day of the year, temperatures at Salgado Filho International Airport typically range from 70°F to 86°F, while on July 21, the coldest day of the year, they range from 50°F to 67°F.

Average High and Low Temperature in January at Salgado Filho International Airport

Average High and Low Temperature in January at Salgado Filho International AirportJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313160°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FDecFebJan 2086°FJan 2086°F70°F70°FJan 186°FJan 186°F69°F69°FJan 3186°FJan 3186°F70°F70°FJan 1186°FJan 1186°F69°F69°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in January at Salgado Filho International Airport

Average Hourly Temperature in January at Salgado Filho International AirportJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMDecFebcomfortablecomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Brisbane, Australia (8,166 miles away) is the far-away foreign place with temperatures most similar to Salgado Filho International Airport (view comparison).

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The month of January at Salgado Filho International Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 40% throughout the month.

The clearest day of the month is January 15, with clear, mostly clear, or partly cloudy conditions 62% of the time.

For reference, on June 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on March 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.

Cloud Cover Categories in January at Salgado Filho International Airport

Cloud Cover Categories in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 161%Jan 161%Jan 3159%Jan 3159%Jan 1161%Jan 1161%Jan 2160%Jan 2160%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Salgado Filho International Airport, the chance of a wet day over the course of January is rapidly increasing, starting the month at 38% and ending it at 44%.

For reference, the year's highest daily chance of a wet day is 45% on February 9, and its lowest chance is 27% on May 17.

Probability of Precipitation in January at Salgado Filho International Airport

Probability of Precipitation in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%DecFebJan 138%Jan 138%Jan 3144%Jan 3144%Jan 1138%Jan 1138%Jan 2142%Jan 2142%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during January at Salgado Filho International Airport is gradually increasing, starting the month at 3.8 inches, when it rarely exceeds 6.3 inches or falls below 1.7 inches, and ending the month at 4.2 inches, when it rarely exceeds 6.6 inches or falls below 2.2 inches.

Average Monthly Rainfall in January at Salgado Filho International Airport

Average Monthly Rainfall in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inDecFebJan 13.8 inJan 13.8 inJan 314.2 inJan 314.2 inJan 113.9 inJan 113.9 inJan 214.1 inJan 214.1 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of January at Salgado Filho International Airport, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 31 minutes, implying an average daily decrease of 1 minute, 2 seconds, and weekly decrease of 7 minutes, 11 seconds.

The shortest day of the month is January 31, with 13 hours, 32 minutes of daylight and the longest day is January 1, with 14 hours, 2 minutes of daylight.

Hours of Daylight and Twilight in January at Salgado Filho International Airport

Hours of Daylight and Twilight in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrDecFebdaydaydaydaynightJan 114 hr, 2 minJan 114 hr, 2 minJan 3113 hr, 32 minJan 3113 hr, 32 minJan 1613 hr, 51 minJan 1613 hr, 51 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month at Salgado Filho International Airport is 5:26 AM on January 1 and the latest sunrise is 25 minutes later at 5:52 AM on January 31.

The latest sunset is 7:30 PM on January 9 and the earliest sunset is 7 minutes earlier at 7:23 PM on January 31.

Daylight saving time is not observed at Salgado Filho International Airport during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:20 AM and sets 14 hours, 5 minutes later, at 7:25 PM, while on June 20, the shortest day of the year, it rises at 7:20 AM and sets 10 hours, 13 minutes later, at 5:32 PM.

Sunrise & Sunset with Twilight in January at Salgado Filho International Airport

Sunrise & Sunset with Twilight in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDecFeb5:26 AM5:26 AMJan 17:29 PMJan 17:29 PM5:52 AM5:52 AMJan 317:23 PMJan 317:23 PM5:34 AM5:34 AMJan 117:30 PMJan 117:30 PM5:43 AM5:43 AMJan 217:28 PMJan 217:28 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of January. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in January at Salgado Filho International Airport

Solar Elevation and Azimuth in January at Salgado Filho International AirportJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMDecFeb001010202020303040405050506060707080800001010202030303040405050606060707080
northeastsouthwest
Solar elevation and azimuth over the course of January 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for January 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in January at Salgado Filho International Airport

Moon Rise, Set & Phases in January at Salgado Filho International AirportJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 128:33 PMDec 128:33 PMDec 269:34 PMDec 269:34 PMJan 118:58 AMJan 118:58 AMJan 252:55 PMJan 252:55 PMFeb 98:00 PMFeb 98:00 PMFeb 249:31 AMFeb 249:31 AM4:34 AM4:34 AM7:23 PM7:23 PM7:33 PM7:33 PM5:32 AM5:32 AM5:17 AM5:17 AM8:07 PM8:07 PM7:48 PM7:48 PM6:19 AM6:19 AM5:16 AM5:16 AM7:28 PM7:28 PM6:55 PM6:55 PM6:05 AM6:05 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Jan 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
76%-10:19 AMWNW11:19 PME4:35 AMN251,561 mi
2
67%-11:12 AMW11:44 PME5:15 AMN251,416 mi
3
58%-12:05 PMW-5:53 AMN250,454 mi
4
50%12:10 AME12:59 PMW-6:32 AMN248,667 mi
5
38%12:37 AMESE1:55 PMWSW-7:13 AMN246,115 mi
6
28%1:07 AMESE2:54 PMWSW-7:57 AMN242,931 mi
7
19%1:41 AMESE3:57 PMWSW-8:46 AMN239,324 mi
8
11%2:22 AMESE5:02 PMWSW-9:39 AMN235,569 mi
9
5%3:11 AMESE6:08 PMWSW-10:38 AMN231,988 mi
10
1%4:10 AMESE7:11 PMWSW-11:41 AMN228,916 mi
11
0%5:17 AMESE8:07 PMWSW-12:45 PMN226,645 mi
12
2%6:29 AMESE8:56 PMWSW-1:46 PMN225,368 mi
13
7%7:42 AMESE9:37 PMWSW-2:43 PMN225,143 mi
14
15%8:53 AMESE10:13 PMW-3:36 PMN225,896 mi
15
24%10:01 AME10:46 PMW-4:26 PMN227,454 mi
16
35%11:07 AME11:17 PMW-5:13 PMN229,594 mi
17
47%12:11 PME11:49 PMWNW-6:01 PMN232,082 mi
18
50%1:15 PMENE--6:49 PMN234,718 mi
19
69%-12:23 AMWNW2:19 PMENE7:40 PMN237,350 mi
20
79%-1:01 AMWNW3:24 PMENE8:33 PMN239,878 mi
21
87%-1:43 AMWNW4:27 PMENE9:28 PMN242,251 mi
22
93%-2:31 AMWNW5:26 PMENE10:25 PMN244,443 mi
23
97%-3:24 AMWNW6:20 PMENE11:21 PMN246,441 mi
24
99%-4:21 AMWNW7:07 PMENE--
25
100%-5:20 AMWNW7:48 PMENE12:14 AMN248,226 mi
26
100%-6:19 AMWNW8:22 PMENE1:04 AMN249,759 mi
27
98%-7:16 AMWNW8:53 PMENE1:49 AMN250,981 mi
28
94%-8:11 AMWNW9:20 PME2:32 AMN251,806 mi
29
89%-9:05 AMW9:46 PME3:12 AMN252,137 mi
30
83%-9:57 AMW10:11 PME3:51 AMN251,874 mi
31
75%-10:50 AMW10:37 PME4:29 AMN250,931 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Salgado Filho International Airport is increasing during January, rising from 68% to 75% over the course of the month.

For reference, on February 12, the muggiest day of the year, there are muggy conditions 79% of the time, while on July 31, the least muggy day of the year, there are muggy conditions 2% of the time.

Humidity Comfort Levels in January at Salgado Filho International Airport

Humidity Comfort Levels in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 168%Jan 168%Jan 3175%Jan 3175%Jan 1172%Jan 1172%Jan 2175%Jan 2175%miserablemiserableoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Salgado Filho International Airport is essentially constant during January, remaining within 0.1 miles per hour of 7.9 miles per hour throughout.

For reference, on October 19, the windiest day of the year, the daily average wind speed is 8.2 miles per hour, while on June 16, the calmest day of the year, the daily average wind speed is 6.8 miles per hour.

Average Wind Speed in January at Salgado Filho International Airport

Average Wind Speed in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphDecFebJan 18.0 mphJan 18.0 mphJan 317.8 mphJan 317.8 mphJan 117.9 mphJan 117.9 mphJan 217.8 mphJan 217.8 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Salgado Filho International Airport throughout January is predominantly from the east, with a peak proportion of 56% on January 9.

Wind Direction in January at Salgado Filho International Airport

Wind Direction in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebsoutheastnorthwest
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Salgado Filho International Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature at Salgado Filho International Airport is essentially constant during January, remaining within 1°F of 76°F throughout.

Average Water Temperature in January at Salgado Filho International Airport

Average Water Temperature in January at Salgado Filho International AirportJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313168°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°FDecFebJan 175°FJan 175°FJan 3176°FJan 3176°FJan 1176°FJan 1176°FJan 2176°FJan 2176°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures at Salgado Filho International Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in January at Salgado Filho International Airport

Time Spent in Various Temperature Bands and the Growing Season in January at Salgado Filho International Airportgrowing seasonJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb100%Jan 16100%Jan 16Jan 29100%Jan 29100%coolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Salgado Filho International Airport are rapidly increasing during January, increasing by 794°F, from 2,965°F to 3,758°F, over the course of the month.

Growing Degree Days in January at Salgado Filho International Airport

Growing Degree Days in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312,800°F2,800°F3,000°F3,000°F3,200°F3,200°F3,400°F3,400°F3,600°F3,600°F3,800°F3,800°F4,000°F4,000°FDecFebJan 12,965°FJan 12,965°FJan 313,758°FJan 313,758°FJan 113,227°FJan 113,227°FJan 213,494°FJan 213,494°F
The average growing degree days accumulated over the course of January, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Salgado Filho International Airport is gradually decreasing during January, falling by 0.5 kWh, from 7.3 kWh to 6.7 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in January at Salgado Filho International Airport

Average Daily Incident Shortwave Solar Energy in January at Salgado Filho International AirportJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhDecFebJan 17.3 kWhJan 17.3 kWhJan 316.7 kWhJan 316.7 kWhJan 117.2 kWhJan 117.2 kWhJan 217.0 kWhJan 217.0 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Salgado Filho International Airport are -29.994 deg latitude, -51.171 deg longitude, and 0 ft elevation.

The topography within 2 miles of Salgado Filho International Airport contains only modest variations in elevation, with a maximum elevation change of 246 feet and an average elevation above sea level of 39 feet. Within 10 miles contains only modest variations in elevation (1,050 feet). Within 50 miles contains very significant variations in elevation (3,150 feet).

The area within 2 miles of Salgado Filho International Airport is covered by shrubs (43%), artificial surfaces (24%), trees (17%), and grassland (15%), within 10 miles by shrubs (34%) and trees (26%), and within 50 miles by trees (37%) and water (20%).

This report illustrates the typical weather at Salgado Filho International Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Salgado Filho International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

There are no other weather stations in our network within 200 kilometers of this location. Consequently, in the case of missing or erroneous measurements from this station, we fall back on NASA's MERRA-2 modern-era reanalysis , adjusted according to typical seasonal and diurnal differences between this station and the wide-area MERRA-2 reconstructed values.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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