Climate Insights for Mecca

The climate in Mecca is warm and mild. The average annual temperature is 23°C and approximately 136mm of precipitation falls per year. January is the wettest month, receiving around 28mm of rainfall. Mecca is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, February, when temperatures can drop to 8°C.

Temperatures in Mecca vary considerably across the year, with a 32°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 40°C and an average of 34°C. December is the coolest month, with minimum temperatures around 8°C and an average of 13°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.

Mecca is a quite dry location, receiving approximately 136mm of precipitation annually, which averages out to around 11mm per month. The wettest month is January, averaging 28mm of rainfall. December and February also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 27mm less than January, 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.

Mecca is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Mecca, which began on June 21, 2026. Mecca 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 July at around 40°C, while the coldest stretch bottoms out in December near 8°C. Autumn is next, beginning on September 23, 2026 — 82 days from now.

The best time to visit Mecca is during February, March, April, May, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 11mm per month. By contrast, July can be uncomfortably hot with highs reaching 40°C, while December is the coldest period with lows dropping to 8°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mecca 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.