Summer Weather in Major Isidoro Brazil

Daily high temperatures are around 96°F, rarely falling below 89°F or exceeding 101°F.

Daily low temperatures are around 71°F, rarely falling below 68°F or exceeding 74°F.

For reference, on November 28, the hottest day of the year, temperatures in Major Isidoro typically range from 70°F to 97°F, while on July 31, the coldest day of the year, they range from 64°F to 84°F.

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.

Mérida, Mexico (4,152 miles away); Jagüey Grande, Cuba (3,723 miles); and Cauto Cristo, Cuba (3,398 miles) are the far-away foreign places with temperatures most similar to Major Isidoro (view comparison).

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The summer in Major Isidoro 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 highest chance of overcast or mostly cloudy conditions is 60% on December 5.

The clearest day of the summer is January 29, with clear, mostly clear, or partly cloudy conditions 50% of the time.

For reference, on December 5, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 60%, while on July 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Major Isidoro, the chance of a wet day over the course of the summer is very rapidly increasing, starting the season at 8% and ending it at 24%.

For reference, the year's highest daily chance of a wet day is 39% on June 20, and its lowest chance is 6% on October 31.

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 Major Isidoro is increasing, starting the season at 0.6 inches, when it rarely exceeds 1.7 inches or falls below -0.0 inches, and ending the season at 1.4 inches, when it rarely exceeds 3.2 inches or falls below 0.1 inches.

Over the course of the summer in Major Isidoro, the length of the day is gradually decreasing. From the start to the end of the season, the length of the day decreases by 21 minutes, implying an average daily decrease of 14 seconds, and weekly decrease of 1 minute, 41 seconds.

The shortest day of the summer is February 28, with 12 hours, 17 minutes of daylight and the longest day is December 20, with 12 hours, 41 minutes of daylight.

The earliest sunrise of the summer in Major Isidoro is 4:57 AM on December 1 and the latest sunrise is 34 minutes later at 5:31 AM on February 28.

The earliest sunset is 5:36 PM on December 1 and the latest sunset is 21 minutes later at 5:57 PM on January 26.

Daylight saving time is not observed in Major Isidoro during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:05 AM and sets 12 hours, 41 minutes later, at 5:46 PM, while on June 20, the shortest day of the year, it rises at 5:42 AM and sets 11 hours, 34 minutes later, at 5:16 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 summer 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 Major Isidoro is rapidly increasing during the summer, rising from 76% to 88% over the course of the season.

For reference, on April 26, the muggiest day of the year, there are muggy conditions 95% of the time, while on August 25, the least muggy day of the year, there are muggy conditions 72% 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 Major Isidoro is decreasing during the summer, decreasing from 12.4 miles per hour to 10.8 miles per hour over the course of the season.

For reference, on November 13, the windiest day of the year, the daily average wind speed is 12.5 miles per hour, while on May 13, the calmest day of the year, the daily average wind speed is 9.7 miles per hour.

The hourly average wind direction in Major Isidoro throughout the summer is predominantly from the east, with a peak proportion of 97% on December 25.

Major Isidoro 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 Major Isidoro is gradually increasing during the summer, rising by 2°F, from 80°F to 82°F, over the course of the season.

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 Major Isidoro 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 Major Isidoro are very rapidly increasing during the summer, increasing by 2,621°F, from 3,917°F to 6,538°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 Major Isidoro is essentially constant during the summer, remaining within 0.2 kWh of 7.2 kWh throughout.

For the purposes of this report, the geographical coordinates of Major Isidoro are -9.532 deg latitude, -36.985 deg longitude, and 627 ft elevation.

The topography within 2 miles of Major Isidoro contains only modest variations in elevation, with a maximum elevation change of 174 feet and an average elevation above sea level of 670 feet. Within 10 miles contains only modest variations in elevation (1,083 feet). Within 50 miles contains very significant variations in elevation (3,619 feet).

The area within 2 miles of Major Isidoro is covered by cropland (29%), shrubs (27%), grassland (25%), and trees (19%), within 10 miles by cropland (32%) and shrubs (27%), and within 50 miles by cropland (27%) and grassland (25%).