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January Weather in São João de Pirabas Brazil

Daily high temperatures are around 86°F, rarely falling below 82°F or exceeding 90°F.

Daily low temperatures are around 77°F, rarely falling below 74°F or exceeding 79°F. The highest daily average low temperature is 77°F on January 15.

For reference, on June 8, the hottest day of the year, temperatures in São João de Pirabas typically range from 77°F to 88°F, while on September 27, the coldest day of the year, they range from 75°F to 85°F.

Average High and Low Temperature in January in São João de Pirabas

Average High and Low Temperature in January in São João de PirabasJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313174°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°F92°F92°F94°F94°F96°F96°FDecFebJan 186°FJan 186°F77°F77°FJan 3186°FJan 3186°F76°F76°FJan 1186°FJan 1186°F77°F77°FJan 2186°FJan 2186°F77°F77°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 in São João de Pirabas

Average Hourly Temperature in January in São João de PirabasJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebwarmhot
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.

Mendaha, Indonesia (10,425 miles away); City of Balikpapan, Indonesia (11,340 miles); and Ternate, Indonesia (12,074 miles) are the far-away foreign places with temperatures most similar to São João de Pirabas (view comparison).

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The month of January in São João de Pirabas experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 69% to 75%.

The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 31% of the time.

For reference, on April 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on August 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.

Cloud Cover Categories in January in São João de Pirabas

Cloud Cover Categories in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 131%Jan 131%Jan 3125%Jan 3125%Jan 1128%Jan 1128%Jan 2125%Jan 2125%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. In São João de Pirabas, the chance of a wet day over the course of January is very rapidly increasing, starting the month at 51% and ending it at 81%.

For reference, the year's highest daily chance of a wet day is 95% on April 7, and its lowest chance is 11% on October 23.

Probability of Precipitation in January in São João de Pirabas

Probability of Precipitation in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%DecFebJan 151%Jan 151%Jan 3181%Jan 3181%Jan 1165%Jan 1165%Jan 2175%Jan 2175%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 in São João de Pirabas is very rapidly increasing, starting the month at 6.5 inches, when it rarely exceeds 12.9 inches or falls below 1.6 inches, and ending the month at 13.4 inches, when it rarely exceeds 20.5 inches or falls below 6.5 inches.

Average Monthly Rainfall in January in São João de Pirabas

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 in São João de Pirabas, the length of the day is essentially constant. The shortest day of the month is January 31, with 12 hours, 9 minutes of daylight and the longest day is January 1, with 12 hours, 10 minutes of daylight.

Hours of Daylight and Twilight in January in São João de Pirabas

Hours of Daylight and Twilight in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrDecFebdaydaydaydaynightJan 112 hr, 10 minJan 112 hr, 10 minJan 3112 hr, 9 minJan 3112 hr, 9 minJan 1612 hr, 10 minJan 1612 hr, 10 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 in São João de Pirabas is 6:07 AM on January 1 and the latest sunrise is 11 minutes later at 6:17 AM on January 31.

The earliest sunset is 6:17 PM on January 1 and the latest sunset is 9 minutes later at 6:26 PM on January 31.

Daylight saving time is not observed in São João de Pirabas during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:01 AM and sets 12 hours, 10 minutes later, at 6:12 PM, while on June 20, the shortest day of the year, it rises at 6:08 AM and sets 12 hours, 5 minutes later, at 6:12 PM.

Sunrise & Sunset with Twilight in January in São João de Pirabas

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 in São João de Pirabas

Solar Elevation and Azimuth in January in São João de PirabasJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb0010102020203030404050505060607080000101020203030304040505060606070
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 in São João de Pirabas

Moon Rise, Set & Phases in January in São João de PirabasJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AM5:23 AM5:23 AM5:56 PM5:56 PM6:03 PM6:03 PM6:28 AM6:28 AM6:11 AM6:11 AM6:45 PM6:45 PM6:34 PM6:34 PM6:55 AM6:55 AM5:54 AM5:54 AM6:26 PM6:26 PM6:01 PM6:01 PM6:21 AM6:21 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%-10:26 AMW10:46 PME4:17 AMN251,558 mi
2
67%-11:05 AMW11:25 PME4:56 AMN251,423 mi
3
58%-11:45 AMW-5:35 AMN250,472 mi
4
50%12:04 AME12:25 PMW-6:14 AMS248,694 mi
5
38%12:44 AME1:07 PMWSW-6:55 AMS246,151 mi
6
28%1:28 AMESE1:53 PMWSW-7:39 AMS242,973 mi
7
19%2:15 AMESE2:43 PMWSW-8:27 AMS239,370 mi
8
11%3:07 AMESE3:38 PMWSW-9:21 AMS235,613 mi
9
5%4:05 AMESE4:39 PMWSW-10:21 AMS232,027 mi
10
1%5:07 AMESE5:42 PMWSW-11:25 AMS228,946 mi
11
0%6:11 AMESE6:45 PMWSW-12:29 PMS226,664 mi
12
2%7:13 AMESE7:46 PMWSW-1:31 PMS225,376 mi
13
7%8:13 AMESE8:42 PMWSW-2:29 PMS225,140 mi
14
15%9:07 AMESE9:35 PMW-3:22 PMS225,885 mi
15
24%9:59 AME10:24 PMW-4:12 PMS227,437 mi
16
35%10:48 AME11:11 PMW-4:59 PMN229,572 mi
17
47%11:36 AME11:59 PMW-5:47 PMN232,057 mi
18
50%12:24 PMENE--6:35 PMN234,692 mi
19
69%-12:47 AMWNW1:14 PMENE7:25 PMN237,324 mi
20
79%-1:38 AMWNW2:07 PMENE8:18 PMN239,853 mi
21
87%-2:31 AMWNW3:01 PMENE9:13 PMN242,226 mi
22
93%-3:25 AMWNW3:56 PMENE10:08 PMN244,419 mi
23
97%-4:21 AMWNW4:51 PMENE11:04 PMN246,419 mi
24
100%-5:15 AMWNW5:44 PMENE11:56 PMN248,206 mi
25
100%-6:07 AMWNW6:34 PMENE--
26
100%-6:55 AMWNW7:20 PMENE12:46 AMN249,743 mi
27
98%-7:40 AMWNW8:03 PMENE1:31 AMN250,968 mi
28
95%-8:22 AMWNW8:44 PME2:14 AMN251,798 mi
29
89%-9:02 AMW9:22 PME2:53 AMN252,136 mi
30
83%-9:42 AMW10:01 PME3:32 AMN251,881 mi
31
75%-10:21 AMW10:40 PME4:11 AMS250,948 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 in São João de Pirabas is essentially constant during January, remaining around 100% throughout.

Humidity Comfort Levels in January in São João de Pirabas

Humidity Comfort Levels in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 1100%Jan 1100%Jan 31100%Jan 31100%Jan 11100%Jan 11100%Jan 21100%Jan 21100%miserablemiserableoppressiveoppressive
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 in São João de Pirabas is essentially constant during January, remaining within 0.2 miles per hour of 9.5 miles per hour throughout.

For reference, on October 23, the windiest day of the year, the daily average wind speed is 11.0 miles per hour, while on April 25, the calmest day of the year, the daily average wind speed is 7.5 miles per hour.

Average Wind Speed in January in São João de Pirabas

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 in São João de Pirabas throughout January is predominantly from the east, with a peak proportion of 85% on January 1.

Wind Direction in January in São João de Pirabas

Wind Direction in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebeastnorth
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).

São João de Pirabas 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 in São João de Pirabas is essentially constant during January, remaining around 82°F throughout.

Average Water Temperature in January in São João de Pirabas

Average Water Temperature in January in São João de PirabasJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313180.5°F80.5°F81.0°F81.0°F81.5°F81.5°F82.0°F82.0°F82.5°F82.5°F83.0°F83.0°F83.5°F83.5°F84.0°F84.0°FDecFebJan 183°FJan 183°FJan 3182°FJan 3182°FJan 1183°FJan 1183°FJan 2182°FJan 2182°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 in São João de Pirabas 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 in São João de Pirabas

Time Spent in Various Temperature Bands and the Growing Season in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 16warmhotcomfortable
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 in São João de Pirabas are very rapidly increasing during January, increasing by 900°F, from 5,562°F to 6,462°F, over the course of the month.

Growing Degree Days in January in São João de Pirabas

Growing Degree Days in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031315,600°F5,600°F5,800°F5,800°F6,000°F6,000°F6,200°F6,200°F6,400°F6,400°F6,600°F6,600°FDecFebJan 15,562°FJan 15,562°FJan 316,462°FJan 316,462°FJan 115,864°FJan 115,864°FJan 216,163°FJan 216,163°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 in São João de Pirabas is essentially constant during January, remaining within 0.2 kWh of 4.8 kWh throughout.

Average Daily Incident Shortwave Solar Energy in January in São João de Pirabas

Average Daily Incident Shortwave Solar Energy in January in São João de PirabasJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhDecFebJan 15.0 kWhJan 15.0 kWhJan 314.7 kWhJan 314.7 kWhJan 114.8 kWhJan 114.8 kWhJan 214.7 kWhJan 214.7 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 São João de Pirabas are -0.775 deg latitude, -47.177 deg longitude, and 85 ft elevation.

The topography within 2 miles of São João de Pirabas contains only modest variations in elevation, with a maximum elevation change of 108 feet and an average elevation above sea level of 35 feet. Within 10 miles also contains only modest variations in elevation (217 feet). Within 50 miles also contains only modest variations in elevation (387 feet).

The area within 2 miles of São João de Pirabas is covered by water (40%) and trees (38%), within 10 miles by trees (47%) and water (33%), and within 50 miles by water (56%) and trees (26%).

This report illustrates the typical weather in São João de Pirabas, 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

There is only a single weather station, Belém/Val de Cans–Júlio Cezar Ribeiro International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of São João de Pirabas.

At a distance of 159 kilometers from São João de Pirabas, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere .

The weight assigned to the MERRA-2 value depends on the distance from São João de Pirabas to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 16%, making the weight assigned to the weather station 84%.

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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