Winter Weather in Barbacena Brazil

Daily high temperatures increase by 7°F, from 72°F to 79°F, rarely falling below 64°F or exceeding 87°F. The lowest daily average high temperature is 72°F on June 1.

Daily low temperatures are around 52°F, rarely falling below 45°F or exceeding 59°F. The lowest daily average low temperature is 50°F on July 19.

For reference, on October 16, the hottest day of the year, temperatures in Barbacena typically range from 58°F to 80°F, while on July 17, the coldest day of the year, they range from 50°F to 73°F.

The figure below shows you a compact characterization of the hourly average winter 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.

Tepango, Mexico (4,634 miles away); El Tzay, Mexico (4,216 miles); and Harare, Zimbabwe (4,837 miles) are the far-away foreign places with temperatures most similar to Barbacena (view comparison).

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The winter in Barbacena experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 35% to 30%. The lowest chance of overcast or mostly cloudy conditions is 29% on August 17.

The clearest day of the winter is August 17, with clear, mostly clear, or partly cloudy conditions 71% of the time.

For reference, on December 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 79%, while on August 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Barbacena, the chance of a wet day over the course of the winter is gradually increasing, starting the season at 11% and ending it at 13%.

For reference, the year's highest daily chance of a wet day is 74% on December 21, and its lowest chance is 5% on July 28.

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 winter in Barbacena is gradually increasing, starting the season at 0.8 inches, when it rarely exceeds 1.9 inches, and ending the season at 1.1 inches, when it rarely exceeds 2.7 inches.

The lowest average 31-day accumulation is 0.3 inches on July 14.

Over the course of the winter in Barbacena, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 46 minutes, implying an average daily increase of 30 seconds, and weekly increase of 3 minutes, 33 seconds.

The shortest day of the winter is June 20, with 10 hours, 50 minutes of daylight and the longest day is August 31, with 11 hours, 41 minutes of daylight.

The latest sunrise of the winter in Barbacena is 6:33 AM on July 4 and the earliest sunrise is 28 minutes earlier at 6:04 AM on August 31.

The earliest sunset is 5:20 PM on June 5 and the latest sunset is 26 minutes later at 5:45 PM on August 31.

Daylight saving time is not observed in Barbacena during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:10 AM and sets 13 hours, 26 minutes later, at 6:36 PM, while on June 20, the shortest day of the year, it rises at 6:31 AM and sets 10 hours, 50 minutes later, at 5:22 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 winter 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 Barbacena is essentially constant during the winter, remaining around 0% throughout.

For reference, on January 27, the muggiest day of the year, there are muggy conditions 45% of the time, while on July 10, the least muggy day of the year, there are muggy conditions 0% 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 Barbacena is increasing during the winter, increasing from 5.6 miles per hour to 7.1 miles per hour over the course of the season.

For reference, on September 18, the windiest day of the year, the daily average wind speed is 7.4 miles per hour, while on April 8, the calmest day of the year, the daily average wind speed is 5.3 miles per hour.

The hourly average wind direction in Barbacena throughout the winter is predominantly from the east, with a peak proportion of 52% on August 27.

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 Barbacena 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 Barbacena are very rapidly decreasing during the winter, decreasing by 4,630°F, from 5,332°F to 702°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 Barbacena is increasing during the winter, rising by 1.3 kWh, from 4.3 kWh to 5.6 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 4.2 kWh on June 25.

For the purposes of this report, the geographical coordinates of Barbacena are -21.226 deg latitude, -43.774 deg longitude, and 3,842 ft elevation.

The topography within 2 miles of Barbacena contains significant variations in elevation, with a maximum elevation change of 650 feet and an average elevation above sea level of 3,716 feet. Within 10 miles contains significant variations in elevation (1,667 feet). Within 50 miles contains very significant variations in elevation (4,754 feet).

The area within 2 miles of Barbacena is covered by shrubs (49%), artificial surfaces (18%), and trees (15%), within 10 miles by shrubs (36%) and trees (26%), and within 50 miles by trees (31%) and shrubs (29%).