Climate Insights for Sayyān

The climate in Sayyān is warm and mild. The average annual temperature is 18°C and approximately 254mm of precipitation falls per year. August is the wettest month, receiving around 77mm of rainfall. Sayyān is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are December, January, November, when temperatures can drop to 7°C.

Temperatures in Sayyān 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 28°C and the mean temperature sits around 23°C. December is the coolest month, with minimum temperatures around 7°C and an average of 14°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.

Sayyān is a quite dry location, receiving approximately 254mm of precipitation annually, which averages out to around 21mm per month. The wettest month is August, averaging 77mm of rainfall. April and July also tend to see above-average precipitation. The driest month is December, with just 0mm. That's 77mm 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.

Sayyān 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 June, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 15km/h in winter, 17km/h in spring, 20km/h in summer, 20km/h in autumn.

It is currently spring in Sayyān, which began on March 20, 2026. Sayyān 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 28°C, while the coldest stretch bottoms out in December near 7°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Sayyān is during February, March, April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 25mm per month. By contrast, December can be quite cold with temperatures dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Sayyān 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.