Climate Insights for Khamis Mushait

The climate in Khamis Mushait is warm and mild. The average annual temperature is 20°C and approximately 428mm of precipitation falls per year. August is the wettest month, receiving around 118mm of rainfall. Khamis Mushait is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, September. The coldest months are January, December, February, when temperatures can drop to 10°C.

Temperatures in Khamis Mushait vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 31°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 10°C and an average of 15°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.

Khamis Mushait is a relatively dry area, receiving approximately 428mm of precipitation annually, which averages out to around 36mm per month. The wettest month is August, averaging 118mm of rainfall. April and May also tend to see above-average precipitation. The driest month is December, with just 7mm. That's 110mm 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.

Khamis Mushait is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.

It is currently spring in Khamis Mushait, which began on March 20, 2026. Khamis Mushait 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 June 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.

The best time to visit Khamis Mushait is during February, March, April, May, July, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 31mm per month. By contrast, June can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Khamis Mushait 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.