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Fall Weather in Altinho Brazil

Daily high temperatures decrease by 8°F, from 90°F to 82°F, rarely falling below 78°F or exceeding 94°F.

Daily low temperatures are around 68°F, rarely falling below 64°F or exceeding 72°F. The highest daily average low temperature is 70°F on March 24.

For reference, on December 19, the hottest day of the year, temperatures in Altinho typically range from 69°F to 90°F, while on August 7, the coldest day of the year, they range from 64°F to 79°F.

Average High and Low Temperature in the Fall in Altinho

Average High and Low Temperature in the Fall in AltinhoMarAprMay60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FSummerWinterMar 190°FMar 190°F69°F69°FMay 3182°FMay 3182°F67°F67°FApr 189°FApr 189°F69°F69°FMay 185°FMay 185°F68°F68°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 fall 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 Fall in Altinho

Average Hourly Temperature in the Fall in AltinhoMarAprMay12 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 AMSummerWinterNowNowcomfortablecomfortablewarmhot
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.

Taveta, Kenya (5,079 miles away) is the far-away foreign place with temperatures most similar to Altinho (view comparison).

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The fall in Altinho experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 57% to 41%. The highest chance of overcast or mostly cloudy conditions is 62% on April 22.

The clearest day of the fall is May 31, with clear, mostly clear, or partly cloudy conditions 59% of the time.

For reference, on April 22, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on July 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

Cloud Cover Categories in the Fall in Altinho

Cloud Cover Categories in the Fall in AltinhoMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterJul 1275%Jul 1275%Mar 143%Mar 143%May 3159%May 3159%Apr 141%Apr 141%May 142%May 142%NowNowclearmostly clearpartly 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 Altinho, the chance of a wet day over the course of the fall is very rapidly increasing, starting the season at 27% and ending it at 47%.

For reference, the year's highest daily chance of a wet day is 49% on June 18, and its lowest chance is 6% on October 30.

Probability of Precipitation in the Fall in Altinho

Probability of Precipitation in the Fall in AltinhoMarAprMay0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%55%55%SummerWinterMar 127%Mar 127%May 3147%May 3147%Apr 139%Apr 139%May 143%May 143%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 fall in Altinho is rapidly increasing, starting the season at 2.3 inches, when it rarely exceeds 5.3 inches or falls below 0.3 inches, and ending the season at 4.2 inches, when it rarely exceeds 7.7 inches or falls below 1.5 inches.

Average Monthly Rainfall in the Fall in Altinho

Average Monthly Rainfall in the Fall in AltinhoMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 inSummerWinterMar 12.3 inMar 12.3 inMay 314.2 inMay 314.2 inApr 13.3 inApr 13.3 inMay 13.9 inMay 13.9 inNowNow
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 fall in Altinho, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 36 minutes, implying an average daily decrease of 24 seconds, and weekly decrease of 2 minutes, 45 seconds.

The shortest day of the fall is May 31, with 11 hours, 40 minutes of daylight and the longest day is March 1, with 12 hours, 15 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Altinho

Hours of Daylight and Twilight in the Fall in AltinhoMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterMar 2012 hr, 7 minMar 2012 hr, 7 mindaydaydaydaynightMay 3111 hr, 40 minMay 3111 hr, 40 minMay 111 hr, 48 minMay 111 hr, 48 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 fall in Altinho is 5:26 AM on April 19 and the latest sunrise is 5 minutes later at 5:32 AM on May 31.

The latest sunset is 5:44 PM on March 1 and the earliest sunset is 32 minutes earlier at 5:11 PM on May 25.

Daylight saving time is not observed in Altinho during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:03 AM and sets 12 hours, 37 minutes later, at 5:41 PM, while on June 20, the shortest day of the year, it rises at 5:37 AM and sets 11 hours, 38 minutes later, at 5:14 PM.

Sunrise & Sunset with Twilight in the Fall in Altinho

Sunrise & Sunset with Twilight in the Fall in AltinhoMarAprMay12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMSummerWinter5:26 AM5:26 AMApr 195:19 PMApr 195:19 PM5:28 AM5:28 AMMar 15:44 PMMar 15:44 PM5:30 AM5:30 AMMay 255:11 PMMay 255:11 PM5:27 AM5:27 AMApr 15:28 PMApr 15:28 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the fall. 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 the Fall in Altinho

Solar Elevation and Azimuth in the Fall in AltinhoMarAprMay12 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 AMSummerWinter001020203030405050606070800010102030304040506070NowNow
northeastsouthwest
Solar elevation and azimuth in the the fall of 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 the fall of 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 the Fall in Altinho

Moon Rise, Set & Phases in the Fall in AltinhoMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterFeb 98:00 PMFeb 98:00 PMFeb 249:31 AMFeb 249:31 AMMar 106:01 AMMar 106:01 AMMar 254:01 AMMar 254:01 AMApr 83:22 PMApr 83:22 PMApr 238:50 PMApr 238:50 PMMay 812:23 AMMay 812:23 AMMay 2310:54 AMMay 2310:54 AMJun 69:38 AMJun 69:38 AMJun 2110:09 PMJun 2110:09 PM4:54 AM4:54 AM5:50 PM5:50 PM5:25 PM5:25 PM5:27 AM5:27 AM5:33 AM5:33 AM6:04 PM6:04 PM5:15 PM5:15 PM5:35 AM5:35 AM5:07 AM5:07 AM5:24 PM5:24 PM5:05 PM5:05 PM5:45 AM5:45 AM5:42 AM5:42 AM4:26 PM4:26 PM5:21 AM5:21 AM5:28 AM5:28 AM4:55 PM4:55 PM6:03 AM6:03 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 Altinho is essentially constant during the fall, remaining within 3% of 92% throughout.

The highest chance of a muggy day during the fall is 95% on May 1.

For reference, on April 24, the muggiest day of the year, there are muggy conditions 95% of the time, while on August 8, the least muggy day of the year, there are muggy conditions 52% of the time.

Humidity Comfort Levels in the Fall in Altinho

Humidity Comfort Levels in the Fall in AltinhoMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterMay 195%May 195%Mar 188%Mar 188%May 3190%May 3190%Apr 193%Apr 193%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 Altinho is essentially constant during the fall, remaining within 0.5 miles per hour of 9.6 miles per hour throughout.

For reference, on November 20, the windiest day of the year, the daily average wind speed is 11.9 miles per hour, while on April 16, the calmest day of the year, the daily average wind speed is 9.1 miles per hour.

The lowest daily average wind speed during the fall is 9.1 miles per hour on April 16.

Average Wind Speed in the Fall in Altinho

Average Wind Speed in the Fall in AltinhoMarAprMay0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mphSummerWinterApr 169.1 mphApr 169.1 mphMar 110.1 mphMar 110.1 mphMay 319.7 mphMay 319.7 mphApr 19.2 mphApr 19.2 mphMay 19.3 mphMay 19.3 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 Altinho throughout the fall is predominantly from the east, with a peak proportion of 96% on March 1.

Wind Direction in the Fall in Altinho

Wind Direction in the Fall in AltinhoMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterNowNoweastsouth
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 Altinho 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 Fall in Altinho

Time Spent in Various Temperature Bands and the Growing Season in the Fall in AltinhoMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Apr 16100%Apr 16NowNowcomfortablewarmhotcool
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 Altinho are very rapidly increasing during the fall, increasing by 2,322°F, from 5,864°F to 8,186°F, over the course of the season.

Growing Degree Days in the Fall in Altinho

Growing Degree Days in the Fall in AltinhoMarAprMay6,000°F6,000°F6,500°F6,500°F7,000°F7,000°F7,500°F7,500°F8,000°F8,000°F8,500°F8,500°FSummerWinterMar 15,864°FMar 15,864°FMay 318,186°FMay 318,186°FApr 16,692°FApr 16,692°FMay 17,474°FMay 17,474°FNowNow
The average growing degree days accumulated over the course of the fall, 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 Altinho is decreasing during the fall, falling by 1.4 kWh, from 7.0 kWh to 5.6 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Fall in Altinho

Average Daily Incident Shortwave Solar Energy in the Fall in AltinhoMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSummerWinterMar 17.0 kWhMar 17.0 kWhMay 315.6 kWhMay 315.6 kWhApr 16.5 kWhApr 16.5 kWhMay 16.0 kWhMay 16.0 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 Altinho are -8.490 deg latitude, -36.059 deg longitude, and 1,503 ft elevation.

The topography within 2 miles of Altinho contains only modest variations in elevation, with a maximum elevation change of 381 feet and an average elevation above sea level of 1,472 feet. Within 10 miles contains only modest variations in elevation (2,142 feet). Within 50 miles contains large variations in elevation (3,812 feet).

The area within 2 miles of Altinho is covered by cropland (75%) and trees (10%), within 10 miles by cropland (34%) and trees (24%), and within 50 miles by shrubs (27%) and trees (26%).

This report illustrates the typical weather in Altinho, 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 Altinho.

For each station, the records are corrected for the elevation difference between that station and Altinho 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 Altinho is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Altinho 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 Altinho 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 © 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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