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Sīrjān Weather by Month
Average temperatures, rainfall and humidity for Sīrjān, Iran, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sīrjān month looks like before you travel — then check the live Sīrjān forecast for the days ahead.
Warmest month
July
36°C average high
Coolest month
January
0°C average low
Wettest month
March
50 mm of rain
Driest month
June
0 mm of rain
Average temperature and rainfall in Sīrjān by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 11°C | 0°C | -18°C / 19°C | 10 mm | 51% | 11 km/h |
| February | 14°C | 2°C | -17°C / 22°C | 21 mm | 50% | 12 km/h |
| March | 18°C | 6°C | -8°C / 28°C | 50 mm | 44% | 13 km/h |
| April | 23°C | 11°C | 1°C / 32°C | 18 mm | 33% | 12 km/h |
| May | 29°C | 16°C | 6°C / 37°C | 6 mm | 23% | 11 km/h |
| June | 35°C | 19°C | 8°C / 39°C | 0 mm | 15% | 13 km/h |
| July | 36°C | 21°C | 12°C / 41°C | 5 mm | 19% | 14 km/h |
| August | 34°C | 19°C | 8°C / 41°C | 1 mm | 19% | 15 km/h |
| September | 31°C | 15°C | 5°C / 36°C | 0 mm | 22% | 11 km/h |
| October | 25°C | 11°C | -1°C / 32°C | 6 mm | 33% | 9 km/h |
| November | 17°C | 6°C | -9°C / 27°C | 14 mm | 45% | 9 km/h |
| December | 13°C | 2°C | -9°C / 21°C | 14 mm | 48% | 9 km/h |
Best time to visit Sīrjān
The most comfortable time to visit Sīrjān is generally April to May and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around March, totalling about 146 mm a year.
Travellers who prefer heat should aim for July, when highs average 36°C. March is the month to avoid if rain would spoil your plans — it averages 50 mm, roughly 50× the rainfall of the driest month (June).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sīrjān forecast for what is happening now.