Winter Weather in Parnarama Brazil

Daily high temperatures increase by 5°F, from 93°F to 98°F, rarely falling below 89°F or exceeding 100°F.

Daily low temperatures are around 75°F, rarely falling below 70°F or exceeding 79°F. The lowest daily average low temperature is 74°F on July 31.

For reference, on September 28, the hottest day of the year, temperatures in Parnarama typically range from 77°F to 99°F, while on July 30, the coldest day of the year, they range from 74°F to 95°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.

Namasigüe, Honduras (3,296 miles away) is the far-away foreign place with temperatures most similar to Parnarama (view comparison).

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The winter in Parnarama experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 55% to 41%. The lowest chance of overcast or mostly cloudy conditions is 32% on July 25.

The clearest day of the winter is July 25, with clear, mostly clear, or partly cloudy conditions 68% of the time.

For reference, on March 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 83%, while on July 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Parnarama, the chance of a wet day over the course of the winter is very rapidly decreasing, starting the season at 14% and ending it at 3%.

For reference, the year's highest daily chance of a wet day is 75% on March 24, and its lowest chance is 1% on August 8.

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 Parnarama is decreasing, starting the season at 1.0 inches, when it rarely exceeds 2.5 inches, and ending the season at 0.2 inches, when it rarely exceeds 0.7 inches or falls below -0.0 inches.

The lowest average 31-day accumulation is 0.1 inches on August 4.

Over the course of the winter in Parnarama, the length of the day is essentially constant. The shortest day of the winter is June 21, with 11 hours, 48 minutes of daylight and the longest day is August 31, with 12 hours, 0 minutes of daylight.

The latest sunrise of the winter in Parnarama is 6:03 AM on July 18 and the earliest sunrise is 11 minutes earlier at 5:52 AM on August 31.

The earliest sunset is 5:44 PM on June 1 and the latest sunset is 10 minutes later at 5:54 PM on August 6.

Daylight saving time is not observed in Parnarama during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:37 AM and sets 12 hours, 27 minutes later, at 6:04 PM, while on June 20, the shortest day of the year, it rises at 6:00 AM and sets 11 hours, 48 minutes later, at 5:47 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 Parnarama is very rapidly decreasing during the winter, falling from 95% to 52% over the course of the season.

The lowest chance of a muggy day during the winter is 48% on August 9.

For reference, on March 24, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 9, the least muggy day of the year, there are muggy conditions 48% 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 Parnarama is gradually increasing during the winter, increasing from 3.3 miles per hour to 4.1 miles per hour over the course of the season.

For reference, on August 9, the windiest day of the year, the daily average wind speed is 4.2 miles per hour, while on March 30, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.

The highest daily average wind speed during the winter is 4.2 miles per hour on August 9.

The hourly average wind direction in Parnarama throughout the winter is predominantly from the east, with a peak proportion of 75% on June 23.

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 Parnarama 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 Parnarama are very rapidly decreasing during the winter, decreasing by 8,669°F, from 10,606°F to 1,937°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 Parnarama is increasing during the winter, rising by 1.4 kWh, from 5.4 kWh to 6.8 kWh, over the course of the season.

For the purposes of this report, the geographical coordinates of Parnarama are -5.682 deg latitude, -43.093 deg longitude, and 285 ft elevation.

The topography within 2 miles of Parnarama contains only modest variations in elevation, with a maximum elevation change of 269 feet and an average elevation above sea level of 333 feet. Within 10 miles contains only modest variations in elevation (715 feet). Within 50 miles contains significant variations in elevation (1,358 feet).

The area within 2 miles of Parnarama is covered by trees (45%), shrubs (22%), grassland (15%), and water (13%), within 10 miles by trees (65%) and shrubs (21%), and within 50 miles by trees (62%) and shrubs (24%).