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Summer Weather in Araruna Brazil

Daily high temperatures are around 88°F, rarely falling below 83°F or exceeding 92°F. The highest daily average high temperature is 89°F on December 24.

Daily low temperatures are around 69°F, rarely falling below 67°F or exceeding 72°F. The highest daily average low temperature is 70°F on December 29.

For reference, on December 22, the hottest day of the year, temperatures in Araruna typically range from 70°F to 89°F, while on August 2, the coldest day of the year, they range from 64°F to 81°F.

Average High and Low Temperature in the Summer in Araruna

Average High and Low Temperature in the Summer in ArarunaDecJanFeb65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FSpringFallDec 2289°FDec 2289°F70°F70°FDec 188°FDec 188°F69°F69°FFeb 2888°FFeb 2888°F70°F70°FFeb 188°FFeb 188°F70°F70°FNowNow
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 summer temperatures. 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 the Summer in Araruna

Average Hourly Temperature in the Summer in ArarunaDecJanFeb12 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 AMSpringFallNowNowcomfortablecomfortablewarmwarmhot
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.

Sabá, Honduras (3,781 miles away); Taveta, Kenya (5,061 miles); and Mabasa, Philippines (10,745 miles) are the far-away foreign places with temperatures most similar to Araruna (view comparison).

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© Esri, et al.

Compare Araruna to another city:

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The summer in Araruna experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 55% throughout the season.

The clearest day of the summer is January 17, with clear, mostly clear, or partly cloudy conditions 47% of the time.

For reference, on April 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on July 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.

Cloud Cover Categories in the Summer in Araruna

Cloud Cover Categories in the Summer in ArarunaDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFallDec 144%Dec 144%Feb 2843%Feb 2843%Jan 146%Jan 146%Feb 146%Feb 146%NowNowclearmostly 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 Araruna, the chance of a wet day over the course of the summer is very rapidly increasing, starting the season at 4% and ending it at 32%.

For reference, the year's highest daily chance of a wet day is 47% on March 26, and its lowest chance is 2% on October 13.

Probability of Precipitation in the Summer in Araruna

Probability of Precipitation in the Summer in ArarunaDecJanFeb0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%SpringFallDec 14%Dec 14%Feb 2832%Feb 2832%Jan 113%Jan 113%Feb 125%Feb 125%NowNowrain
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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer in Araruna is very rapidly increasing, starting the season at 0.3 inches, when it rarely exceeds 0.9 inches or falls below -0.0 inches, and ending the season at 2.8 inches, when it rarely exceeds 5.9 inches or falls below 0.5 inches.

Average Monthly Rainfall in the Summer in Araruna

Average Monthly Rainfall in the Summer in ArarunaDecJanFeb0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 in8 in8 inSpringFallDec 10.3 inDec 10.3 inFeb 282.8 inFeb 282.8 inJan 11.0 inJan 11.0 inFeb 12.2 inFeb 12.2 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 the summer in Araruna, the length of the day is essentially constant. The shortest day of the summer is February 28, with 12 hours, 14 minutes of daylight and the longest day is December 21, with 12 hours, 30 minutes of daylight.

Hours of Daylight and Twilight in the Summer in Araruna

Hours of Daylight and Twilight in the Summer in ArarunaDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallDec 2112 hr, 30 minDec 2112 hr, 30 mindaydaydaydaynightFeb 2812 hr, 14 minFeb 2812 hr, 14 minFeb 112 hr, 23 minFeb 112 hr, 23 minNowNow
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 summer in Araruna is 4:57 AM on December 1 and the latest sunrise is 31 minutes later at 5:28 AM on February 27.

The earliest sunset is 5:26 PM on December 1 and the latest sunset is 22 minutes later at 5:48 PM on January 30.

Daylight saving time is not observed in Araruna during 2021.

For reference, on December 21, the longest day of the year, the Sun rises at 5:05 AM and sets 12 hours, 30 minutes later, at 5:36 PM, while on June 21, the shortest day of the year, it rises at 5:32 AM and sets 11 hours, 45 minutes later, at 5:17 PM.

Sunrise & Sunset with Twilight in the Summer in Araruna

Sunrise & Sunset with Twilight in the Summer in ArarunaDecJanFeb12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMSpringFall4:57 AM4:57 AMDec 15:26 PMDec 15:26 PM5:24 AM5:24 AMJan 305:48 PMJan 305:48 PM5:28 AM5:28 AMFeb 275:42 PMFeb 275:42 PM5:11 AM5:11 AMJan 15:41 PMJan 15:41 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the summer. 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 key lunar data for the summer of 2021. 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 the Summer in Araruna

Moon Rise, Set & Phases in the Summer in ArarunaDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallNov 46:15 PMNov 46:15 PMNov 195:58 AMNov 195:58 AMDec 44:44 AMDec 44:44 AMDec 191:36 AMDec 191:36 AMJan 23:34 PMJan 23:34 PMJan 178:49 PMJan 178:49 PMFeb 12:47 AMFeb 12:47 AMFeb 161:57 PMFeb 161:57 PMMar 22:35 PMMar 22:35 PMMar 184:18 AMMar 184:18 AM4:33 AM4:33 AM4:53 PM4:53 PM4:57 AM4:57 AM5:02 AM5:02 AM5:59 PM5:59 PM5:15 PM5:15 PM5:14 AM5:14 AM4:46 AM4:46 AM5:47 PM5:47 PM5:42 PM5:42 PM5:43 AM5:43 AM5:38 AM5:38 AM6:27 PM6:27 PM5:59 PM5:59 PM6:08 AM6:08 AM5:54 PM5:54 PM5:20 PM5:20 PM5:38 AM5:38 AMNowNow
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.

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 Araruna is rapidly increasing during the summer, rising from 77% to 94% over the course of the season.

For reference, on May 2, the muggiest day of the year, there are muggy conditions 97% of the time, while on September 20, the least muggy day of the year, there are muggy conditions 61% of the time.

Humidity Comfort Levels in the Summer in Araruna

Humidity Comfort Levels in the Summer in ArarunaDecJanFeb0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFallDec 177%Dec 177%Feb 2894%Feb 2894%Jan 185%Jan 185%Feb 187%Feb 187%NowNowoppressiveoppressivemuggymuggyhumidhumid
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 Araruna is rapidly decreasing during the summer, decreasing from 13.4 miles per hour to 10.8 miles per hour over the course of the season.

For reference, on October 23, the windiest day of the year, the daily average wind speed is 13.9 miles per hour, while on April 3, the calmest day of the year, the daily average wind speed is 9.6 miles per hour.

Average Wind Speed in the Summer in Araruna

Average Wind Speed in the Summer in ArarunaDecJanFeb0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphSpringFallDec 113.4 mphDec 113.4 mphFeb 2810.8 mphFeb 2810.8 mphJan 112.6 mphJan 112.6 mphFeb 111.5 mphFeb 111.5 mphNowNow
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 Araruna throughout the summer is predominantly from the east, with a peak proportion of 99% on December 2.

Wind Direction in the Summer in Araruna

Wind Direction in the Summer in ArarunaDecJanFeb0%100%20%80%40%60%60%40%80%20%100%0%SpringFallNowNoweast
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 in Araruna 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 the Summer in Araruna

Time Spent in Various Temperature Bands and the Growing Season in the Summer in ArarunaDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFall100%Jan 15100%Jan 15NowNowcomfortablewarmhot
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 Araruna are very rapidly increasing during the summer, increasing by 2,389°F, from 3,620°F to 6,008°F, over the course of the season.

Growing Degree Days in the Summer in Araruna

Growing Degree Days in the Summer in ArarunaDecJanFeb3,500°F3,500°F4,000°F4,000°F4,500°F4,500°F5,000°F5,000°F5,500°F5,500°F6,000°F6,000°FSpringFallDec 13,620°FDec 13,620°FFeb 276,008°FFeb 276,008°FJan 14,457°FJan 14,457°FJan 315,292°FJan 315,292°FNowNow
The average growing degree days accumulated over the course of the summer, 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 Araruna is gradually decreasing during the summer, falling by 0.6 kWh, from 7.4 kWh to 6.8 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Summer in Araruna

Average Daily Incident Shortwave Solar Energy in the Summer in ArarunaDecJanFeb0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSpringFallDec 17.4 kWhDec 17.4 kWhFeb 286.8 kWhFeb 286.8 kWhJan 17.0 kWhJan 17.0 kWhFeb 16.8 kWhFeb 16.8 kWhNowNow
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 Araruna are -6.558 deg latitude, -35.742 deg longitude, and 1,627 ft elevation.

The topography within 2 miles of Araruna contains significant variations in elevation, with a maximum elevation change of 597 feet and an average elevation above sea level of 1,669 feet. Within 10 miles contains significant variations in elevation (1,565 feet). Within 50 miles contains very significant variations in elevation (2,461 feet).

The area within 2 miles of Araruna is covered by cropland (41%), grassland (22%), shrubs (20%), and trees (18%), within 10 miles by shrubs (30%) and cropland (28%), and within 50 miles by shrubs (32%) and cropland (24%).

This report illustrates the typical weather in Araruna, 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 are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Araruna.

For each station, the records are corrected for the elevation difference between that station and Araruna according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Araruna is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Araruna and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Araruna and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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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