May Weather in Atbara Sudan

Daily high temperatures increase by 3°F, from 106°F to 110°F, rarely falling below 100°F or exceeding 113°F.

Daily low temperatures increase by 6°F, from 76°F to 81°F, rarely falling below 69°F or exceeding 86°F.

For reference, on June 9, the hottest day of the year, temperatures in Atbara typically range from 82°F to 110°F, while on January 24, the coldest day of the year, they range from 57°F to 87°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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.

Ndioum, Senegal (3,207 miles away) is the far-away foreign place with temperatures most similar to Atbara (view comparison).

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The month of May in Atbara experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 16% to 27%.

The clearest day of the month is May 3, with clear, mostly clear, or partly cloudy conditions 85% of the time.

For reference, on August 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 61%, while on November 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 88%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Atbara, the chance of a wet day over the course of May is essentially constant, remaining around 1% throughout.

For reference, the year's highest daily chance of a wet day is 11% on August 8, and its lowest chance is 0% on January 23.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during May in Atbara is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.3 inches or falling below -0.0 inches.

Over the course of May in Atbara, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 20 minutes, implying an average daily increase of 39 seconds, and weekly increase of 4 minutes, 36 seconds.

The shortest day of the month is May 1, with 12 hours, 47 minutes of daylight and the longest day is May 31, with 13 hours, 7 minutes of daylight.

The latest sunrise of the month in Atbara is 5:17 AM on May 1 and the earliest sunrise is 9 minutes earlier at 5:08 AM on May 31.

The earliest sunset is 6:04 PM on May 1 and the latest sunset is 11 minutes later at 6:15 PM on May 31.

Daylight saving time is not observed in Atbara during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:10 AM and sets 13 hours, 11 minutes later, at 6:21 PM, while on December 21, the shortest day of the year, it rises at 6:10 AM and sets 11 hours, 4 minutes later, at 5:14 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 May 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 Atbara is essentially constant during May, remaining around 1% throughout.

For reference, on August 7, the muggiest day of the year, there are muggy conditions 20% of the time, while on January 7, 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 Atbara is decreasing during May, decreasing from 10.2 miles per hour to 9.1 miles per hour over the course of the month.

For reference, on March 11, the windiest day of the year, the daily average wind speed is 11.7 miles per hour, while on September 22, the calmest day of the year, the daily average wind speed is 7.7 miles per hour.

The hourly average wind direction in Atbara throughout May is predominantly from the north, with a peak proportion of 60% on May 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 Atbara 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 Atbara are very rapidly increasing during May, increasing by 1,033°F, from 3,053°F to 4,086°F, over the course of the month.

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 Atbara is essentially constant during May, remaining within 0.1 kWh of 7.7 kWh throughout.

For the purposes of this report, the geographical coordinates of Atbara are 17.702 deg latitude, 33.986 deg longitude, and 1,175 ft elevation.

The topography within 2 miles of Atbara is essentially flat, with a maximum elevation change of 92 feet and an average elevation above sea level of 1,159 feet. Within 10 miles is essentially flat (220 feet). Within 50 miles contains only modest variations in elevation (863 feet).

The area within 2 miles of Atbara is covered by artificial surfaces (63%), water (18%), and cropland (14%), within 10 miles by bare soil (71%) and cropland (14%), and within 50 miles by bare soil (86%).