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October Weather at Marechal Rondon International Airport Brazil

Daily high temperatures decrease by 2°F, from 94°F to 93°F, rarely falling below 85°F or exceeding 102°F.

Daily low temperatures are around 75°F, rarely falling below 68°F or exceeding 80°F.

For reference, on September 6, the hottest day of the year, temperatures at Marechal Rondon International Airport typically range from 72°F to 95°F, while on July 18, the coldest day of the year, they range from 65°F to 89°F.

Average High and Low Temperature in October at Marechal Rondon International Airport

Average High and Low Temperature in October at Marechal Rondon International AirportOct112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313160°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°F105°F105°FSepNovOct 194°FOct 194°F74°F74°FOct 3193°FOct 3193°F75°F75°FOct 1194°FOct 1194°F75°F75°FOct 2193°FOct 2193°F75°F75°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 October. 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 October at Marechal Rondon International Airport

Average Hourly Temperature in October at Marechal Rondon International AirportOct112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMSepNovcomfortablewarmwarmhot
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.

Iztapa, Guatemala (3,128 miles away); Phetchabun, Thailand (10,940 miles); and Palmerston, Australia (10,444 miles) are the far-away foreign places with temperatures most similar to Marechal Rondon International Airport (view comparison).

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The month of October at Marechal Rondon International Airport experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 49% to 70%.

The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 51% of the time.

For reference, on February 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 77%.

Cloud Cover Categories in October at Marechal Rondon International Airport

Cloud Cover Categories in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SepNovOct 151%Oct 151%Oct 3130%Oct 3130%Oct 1143%Oct 1143%Oct 2135%Oct 2135%clearmostly cloudyovercastpartly cloudymostly clear
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 Marechal Rondon International Airport, the chance of a wet day over the course of October is very rapidly increasing, starting the month at 37% and ending it at 58%.

For reference, the year's highest daily chance of a wet day is 81% on February 15, and its lowest chance is 7% on July 30.

Probability of Precipitation in October at Marechal Rondon International Airport

Probability of Precipitation in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%SepNovOct 137%Oct 137%Oct 3158%Oct 3158%Oct 1145%Oct 1145%Oct 2153%Oct 2153%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 October at Marechal Rondon International Airport is very rapidly increasing, starting the month at 2.9 inches, when it rarely exceeds 4.7 inches or falls below 1.4 inches, and ending the month at 5.4 inches, when it rarely exceeds 7.9 inches or falls below 3.0 inches.

Average Monthly Rainfall in October at Marechal Rondon International Airport

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 October at Marechal Rondon International Airport, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 25 minutes, implying an average daily increase of 51 seconds, and weekly increase of 5 minutes, 56 seconds.

The shortest day of the month is October 1, with 12 hours, 15 minutes of daylight and the longest day is October 31, with 12 hours, 40 minutes of daylight.

Hours of Daylight and Twilight in October at Marechal Rondon International Airport

Hours of Daylight and Twilight in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSepNovdaydaydaydaynightOct 112 hr, 15 minOct 112 hr, 15 minOct 3112 hr, 40 minOct 3112 hr, 40 minOct 1612 hr, 28 minOct 1612 hr, 28 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 latest sunrise of the month at Marechal Rondon International Airport is 5:26 AM on October 1 and the earliest sunrise is 19 minutes earlier at 5:08 AM on October 31.

The earliest sunset is 5:41 PM on October 1 and the latest sunset is 7 minutes later at 5:48 PM on October 31.

Daylight saving time is not observed at Marechal Rondon International Airport during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:11 AM and sets 13 hours, 4 minutes later, at 6:14 PM, while on June 20, the shortest day of the year, it rises at 6:10 AM and sets 11 hours, 12 minutes later, at 5:22 PM.

Sunrise & Sunset with Twilight in October at Marechal Rondon International Airport

Sunrise & Sunset with Twilight in October at Marechal Rondon International AirportOct112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMSepNov5:08 AM5:08 AMOct 315:48 PMOct 315:48 PM5:26 AM5:26 AMOct 15:41 PMOct 15:41 PM5:19 AM5:19 AMOct 115:42 PMOct 115:42 PM5:13 AM5:13 AMOct 215:45 PMOct 215:45 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of October. 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 October at Marechal Rondon International Airport

Solar Elevation and Azimuth in October at Marechal Rondon International AirportOct112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMSepNov001010202020303040405050506060707080800001010202030303040405050606060707080
northeastsouthwest
Solar elevation and azimuth over the course of October 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 October 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 October at Marechal Rondon International Airport

Moon Rise, Set & Phases in October at Marechal Rondon International AirportOct112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSepNovSep 29:56 PMSep 29:56 PMSep 1710:35 PMSep 1710:35 PMOct 22:50 PMOct 22:50 PMOct 177:27 AMOct 177:27 AMNov 18:48 AMNov 18:48 AMNov 155:29 PMNov 155:29 PM5:35 AM5:35 AM5:27 PM5:27 PM5:24 PM5:24 PM5:55 AM5:55 AM5:15 AM5:15 AM5:43 PM5:43 PM5:04 PM5:04 PM5:10 AM5:10 AM4:58 AM4:58 AM6:03 PM6:03 PM5:52 PM5:52 PM5:24 AM5:24 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.
Oct 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
1%4:43 AME4:57 PMW-10:50 AMN252,303 mi
2
0%5:15 AME5:43 PMW-11:28 AMN252,591 mi
3
1%5:48 AME6:29 PMW-12:07 PMN252,450 mi
4
3%6:21 AMESE7:16 PMWSW-12:47 PMN251,870 mi
5
8%6:57 AMESE8:06 PMWSW-1:30 PMS250,824 mi
6
14%7:37 AMESE8:59 PMWSW-2:16 PMS249,276 mi
7
21%8:21 AMESE9:54 PMWSW-3:06 PMS247,193 mi
8
30%9:10 AMESE10:50 PMWSW-3:59 PMS244,566 mi
9
41%10:05 AMESE11:46 PMWSW-4:55 PMS241,432 mi
10
50%11:03 AMESE--5:52 PMS237,891 mi
11
62%-12:39 AMWSW12:03 PMESE6:49 PMS234,120 mi
12
73%-1:30 AMWSW1:04 PMESE7:43 PMS230,372 mi
13
83%-2:17 AMWSW2:04 PMESE8:35 PMN226,962 mi
14
91%-3:02 AMWSW3:04 PME9:26 PMN224,225 mi
15
97%-3:44 AMW4:04 PME10:16 PMN222,476 mi
16
100%-4:26 AMW5:04 PME11:07 PMN221,942 mi
17
100%-5:10 AMW6:06 PMENE--
18
99%-5:57 AMWNW7:10 PMENE12:01 AMN222,717 mi
19
96%-6:47 AMWNW8:16 PMENE12:58 AMN224,735 mi
20
89%-7:42 AMWNW9:22 PMENE1:58 AMN227,779 mi
21
81%-8:41 AMWNW10:24 PMENE3:01 AMN231,518 mi
22
71%-9:41 AMWNW11:22 PMENE4:03 AMN235,576 mi
23
60%-10:41 AMWNW-5:02 AMN239,592 mi
24
50%12:12 AMENE11:38 AMWNW-5:56 AMN243,274 mi
25
39%12:57 AMENE12:31 PMWNW-6:45 AMN246,422 mi
26
30%1:36 AMENE1:21 PMWNW-7:29 AMN248,918 mi
27
21%2:12 AMENE2:09 PMW-8:10 AMN250,721 mi
28
14%2:45 AME2:55 PMW-8:50 AMN251,843 mi
29
8%3:17 AME3:40 PMW-9:28 AMN252,339 mi
30
3%3:49 AME4:26 PMW-10:06 AMN252,281 mi
31
1%4:22 AMESE5:13 PMWSW-10:46 AMN251,748 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 Marechal Rondon International Airport is very rapidly increasing during October, rising from 66% to 91% over the course of the month.

For reference, on February 18, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 2, the least muggy day of the year, there are muggy conditions 14% of the time.

Humidity Comfort Levels in October at Marechal Rondon International Airport

Humidity Comfort Levels in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SepNovOct 166%Oct 166%Oct 3191%Oct 3191%Oct 1179%Oct 1179%Oct 2186%Oct 2186%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydrymiserablemiserable
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 Marechal Rondon International Airport is gradually decreasing during October, decreasing from 6.8 miles per hour to 6.0 miles per hour over the course of the month.

For reference, on August 28, the windiest day of the year, the daily average wind speed is 7.7 miles per hour, while on March 25, the calmest day of the year, the daily average wind speed is 4.7 miles per hour.

Average Wind Speed in October at Marechal Rondon International Airport

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 Marechal Rondon International Airport throughout October is predominantly from the north, with a peak proportion of 59% on October 30.

Wind Direction in October at Marechal Rondon International Airport

Wind Direction in October at Marechal Rondon International AirportENOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%SepNovsoutheastnorthwest
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).

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 Marechal Rondon 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 October at Marechal Rondon International Airport

Time Spent in Various Temperature Bands and the Growing Season in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SepNov100%Oct 16100%Oct 16comfortablewarmhotswelteringcool
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 Marechal Rondon International Airport are very rapidly increasing during October, increasing by 940°F, from 2,545°F to 3,485°F, over the course of the month.

Growing Degree Days in October at Marechal Rondon International Airport

Growing Degree Days in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312,400°F2,400°F2,600°F2,600°F2,800°F2,800°F3,000°F3,000°F3,200°F3,200°F3,400°F3,400°F3,600°F3,600°FSepNovOct 12,545°FOct 12,545°FOct 313,485°FOct 313,485°FOct 112,857°FOct 112,857°FOct 213,172°FOct 213,172°F
The average growing degree days accumulated over the course of October, 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 Marechal Rondon International Airport is essentially constant during October, remaining within 0.1 kWh of 6.0 kWh throughout.

Average Daily Incident Shortwave Solar Energy in October at Marechal Rondon International Airport

Average Daily Incident Shortwave Solar Energy in October at Marechal Rondon International AirportOct11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSepNovOct 15.9 kWhOct 15.9 kWhOct 316.0 kWhOct 316.0 kWhOct 116.0 kWhOct 116.0 kWhOct 216.0 kWhOct 216.0 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 Marechal Rondon International Airport are -15.653 deg latitude, -56.117 deg longitude, and 594 ft elevation.

The topography within 2 miles of Marechal Rondon International Airport contains only modest variations in elevation, with a maximum elevation change of 240 feet and an average elevation above sea level of 586 feet. Within 10 miles contains only modest variations in elevation (1,027 feet). Within 50 miles contains very significant variations in elevation (2,605 feet).

The area within 2 miles of Marechal Rondon International Airport is covered by shrubs (44%), grassland (22%), and trees (21%), within 10 miles by shrubs (51%) and trees (22%), and within 50 miles by trees (41%) and shrubs (29%).

This report illustrates the typical weather at Marechal Rondon 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

Marechal Rondon 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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