Climate Overview
The climate in Umm Ruwaba is hot. The average annual temperature is 29°C and approximately 197mm of precipitation falls per year. August is the wettest month, receiving around 79mm of rainfall. Umm Ruwaba is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 17°C.
Temperature
Temperatures in Umm Ruwaba vary considerably across the year, with a 23°C difference between the coldest and warmest months. May is the hottest month, with daytime highs reaching 40°C and an average of 33°C. January is the coolest month, with minimum temperatures around 17°C and an average of 23°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 4°C shift in average temperatures.
Precipitation
Umm Ruwaba is a quite dry location, receiving approximately 197mm of precipitation annually, which averages out to around 16mm per month. The wettest month is August, averaging 79mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 79mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Umm Ruwaba is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Umm Ruwaba, which began on March 20, 2026. Umm Ruwaba is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 40°C, while the coldest stretch bottoms out in January near 17°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 22 to 40°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 38°C. Rainfall is relatively light, with around 148mm over the season and a monthly average of 49mm. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 37°C. Precipitation is minimal, with only around 41mm for the entire season. Winds are moderate at around 16km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 17 to 33°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are moderate at around 18km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Umm Ruwaba is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 0mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 40°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Umm Ruwaba based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.