Climate Overview
The climate in Umm ar Rizam is warm and mild. The average annual temperature is 21°C and approximately 98mm of precipitation falls per year. January is the wettest month, receiving around 20mm of rainfall. Umm ar Rizam is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 10°C.
Temperature
Temperatures in Umm ar Rizam vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 10°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Umm ar Rizam is a quite dry location, receiving approximately 98mm of precipitation annually, which averages out to around 8mm per month. The wettest month is January, averaging 20mm of rainfall. December and September also tend to see above-average precipitation. The driest month is July, with just 0mm. 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 ar Rizam is moderately windy, with an average annual wind speed of 26km/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 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in November, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Umm ar Rizam, which began on March 20, 2026. Umm ar Rizam 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 August at around 31°C, while the coldest stretch bottoms out in January near 10°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 12 to 26°C. Precipitation is minimal, with only around 13mm for the entire season. Winds are strong, averaging 27km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 21 to 31°C. Precipitation is minimal, with only around 3mm for the entire season. Winds are strong, averaging 28km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 30°C. Precipitation is minimal, with only around 34mm for the entire season. Winds are moderate at around 24km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 10 to 19°C. Rainfall is relatively light, with around 48mm over the season and a monthly average of 16mm. Winds are strong, averaging 27km/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 ar Rizam is during March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 8mm per month. By contrast, August can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 10°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 ar Rizam 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.