Summer Weather in Rukungiri Uganda

Daily high temperatures are around 78°F, rarely falling below 72°F or exceeding 87°F.

Daily low temperatures are around 61°F, rarely falling below 58°F or exceeding 64°F.

For reference, on July 22, the hottest day of the year, temperatures in Rukungiri typically range from 62°F to 80°F, while on October 24, the coldest day of the year, they range from 60°F to 77°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.

Nátaga, Colombia (7,316 miles away) is the far-away foreign place with temperatures most similar to Rukungiri (view comparison).

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The summer in Rukungiri experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 76% throughout the season. The lowest chance of overcast or mostly cloudy conditions is 74% on December 22.

The clearest day of the summer is December 22, with clear, mostly clear, or partly cloudy conditions 26% of the time.

For reference, on April 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 84%, while on August 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 53%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Rukungiri, the chance of a wet day over the course of the summer is very rapidly decreasing, starting the season at 56% and ending it at 39%.

For reference, the year's highest daily chance of a wet day is 65% on April 26, and its lowest chance is 9% on July 3.

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 Rukungiri is decreasing, starting the season at 3.3 inches, when it rarely exceeds 5.4 inches or falls below 1.4 inches, and ending the season at 2.5 inches, when it rarely exceeds 4.8 inches or falls below 0.7 inches.

The lowest average 31-day accumulation is 1.8 inches on January 29.

Over the course of the summer in Rukungiri, the length of the day is essentially constant. The shortest day of the summer is February 28, with 12 hours, 8 minutes of daylight and the longest day is December 21, with 12 hours, 10 minutes of daylight.

The earliest sunrise of the summer in Rukungiri is 6:44 AM on December 1 and the latest sunrise is 26 minutes later at 7:10 AM on February 13.

The earliest sunset is 6:54 PM on December 1 and the latest sunset is 24 minutes later at 7:18 PM on February 8.

Daylight saving time is not observed in Rukungiri during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:53 AM and sets 12 hours, 10 minutes later, at 7:03 PM, while on June 20, the shortest day of the year, it rises at 6:59 AM and sets 12 hours, 4 minutes later, at 7:04 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 Rukungiri is gradually decreasing during the summer, falling from 8% to 5% over the course of the season.

The lowest chance of a muggy day during the summer is 5% on February 15.

For reference, on April 24, the muggiest day of the year, there are muggy conditions 12% of the time, while on July 21, 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 Rukungiri is essentially constant during the summer, remaining within 0.2 miles per hour of 4.2 miles per hour throughout.

For reference, on July 4, the windiest day of the year, the daily average wind speed is 4.8 miles per hour, while on October 27, the calmest day of the year, the daily average wind speed is 3.9 miles per hour.

The highest daily average wind speed during the summer is 4.4 miles per hour on February 15.

The wind direction in Rukungiri during the summer is predominantly out of the east from December 1 to December 25 and from February 14 to February 28 and the north from December 25 to February 14.

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 Rukungiri 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 Rukungiri are very rapidly increasing during the summer, increasing by 1,681°F, from 2,920°F to 4,601°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 Rukungiri is gradually increasing during the summer, rising by 0.6 kWh, from 5.3 kWh to 5.9 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 5.9 kWh on February 10.

For the purposes of this report, the geographical coordinates of Rukungiri are -0.841 deg latitude, 29.942 deg longitude, and 5,167 ft elevation.

The topography within 2 miles of Rukungiri contains significant variations in elevation, with a maximum elevation change of 564 feet and an average elevation above sea level of 5,191 feet. Within 10 miles contains significant variations in elevation (3,622 feet). Within 50 miles also contains extreme variations in elevation (10,571 feet).

The area within 2 miles of Rukungiri is covered by cropland (94%), within 10 miles by cropland (78%) and grassland (17%), and within 50 miles by cropland (41%) and grassland (21%).