Fall Weather in Manicoré Brazil

Daily high temperatures are around 83°F, rarely falling below 81°F or exceeding 86°F. The lowest daily average high temperature is 83°F on May 11.

Daily low temperatures are around 74°F, rarely falling below 72°F or exceeding 76°F. The highest daily average low temperature is 74°F on April 12.

For reference, on September 23, the hottest day of the year, temperatures in Manicoré typically range from 75°F to 88°F, while on July 20, the coldest day of the year, they range from 72°F to 84°F.

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.

Tabu, Philippines (12,056 miles away) is the far-away foreign place with temperatures most similar to Manicoré (view comparison).

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The fall in Manicoré experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 83% to 66%.

The clearest day of the fall is May 31, with clear, mostly clear, or partly cloudy conditions 34% of the time.

For reference, on December 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on July 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 59%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Manicoré, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 81% and ending it at 48%.

For reference, the year's highest daily chance of a wet day is 82% on February 20, and its lowest chance is 19% on July 27.

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 Manicoré is very rapidly decreasing, starting the season at 10.5 inches, when it rarely exceeds 14.0 inches or falls below 7.4 inches, and ending the season at 4.0 inches, when it rarely exceeds 6.8 inches or falls below 2.0 inches.

Over the course of the fall in Manicoré, the length of the day is gradually decreasing. From the start to the end of the season, the length of the day decreases by 24 minutes, implying an average daily decrease of 16 seconds, and weekly decrease of 1 minute, 51 seconds.

The shortest day of the fall is May 31, with 11 hours, 48 minutes of daylight and the longest day is March 1, with 12 hours, 13 minutes of daylight.

The latest sunrise of the fall in Manicoré is 6:11 AM on March 1 and the earliest sunrise is 6 minutes earlier at 6:05 AM on April 29.

The latest sunset is 6:23 PM on March 1 and the earliest sunset is 27 minutes earlier at 5:56 PM on May 23.

Daylight saving time is not observed in Manicoré during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:49 AM and sets 12 hours, 28 minutes later, at 6:17 PM, while on June 20, the shortest day of the year, it rises at 6:13 AM and sets 11 hours, 47 minutes later, at 6:00 PM.

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.

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.

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 Manicoré is essentially constant during the fall, remaining around 100% throughout.

For reference, on January 1, the muggiest day of the year, there are muggy conditions 100% of the time, while on July 9, the least muggy day of the year, there are muggy conditions 99% of the time.

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 Manicoré is essentially constant during the fall, remaining within 0.1 miles per hour of 1.7 miles per hour throughout.

For reference, on July 21, the windiest day of the year, the daily average wind speed is 2.0 miles per hour, while on November 21, the calmest day of the year, the daily average wind speed is 1.5 miles per hour.

The lowest daily average wind speed during the fall is 1.6 miles per hour on April 11.

The hourly average wind direction in Manicoré throughout the fall is predominantly from the east, with a peak proportion of 61% on March 1.

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 Manicoré 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.

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 Manicoré are very rapidly increasing during the fall, increasing by 2,552°F, from 7,052°F to 9,605°F, over the course of the season.

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 Manicoré is essentially constant during the fall, remaining within 0.2 kWh of 4.5 kWh throughout.

The lowest average daily incident shortwave solar energy during the fall is 4.3 kWh on May 8.

For the purposes of this report, the geographical coordinates of Manicoré are -5.809 deg latitude, -61.300 deg longitude, and 125 ft elevation.

The topography within 2 miles of Manicoré contains only modest variations in elevation, with a maximum elevation change of 128 feet and an average elevation above sea level of 119 feet. Within 10 miles also contains only modest variations in elevation (190 feet). Within 50 miles also contains only modest variations in elevation (335 feet).

The area within 2 miles of Manicoré is covered by water (42%), trees (37%), and cropland (12%), within 10 miles by trees (89%), and within 50 miles by trees (96%).