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Shahrīār Weather by Month
Average temperatures, rainfall and humidity for Shahrīār, Iran, month by month, built from OpenWeather’s historical records. Use it to see what a typical Shahrīār month looks like before you travel — then check the live Shahrīār forecast for the days ahead.
Warmest month
July
36°C average high
Coolest month
January
-1°C average low
Wettest month
March
52 mm of rain
Driest month
August
1 mm of rain
Average temperature and rainfall in Shahrīār 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 | 9°C | -1°C | -19°C / 17°C | 18 mm | 55% | 11 km/h |
| February | 11°C | 1°C | -19°C / 24°C | 20 mm | 53% | 12 km/h |
| March | 16°C | 5°C | -17°C / 30°C | 52 mm | 45% | 13 km/h |
| April | 21°C | 10°C | -2°C / 32°C | 38 mm | 40% | 13 km/h |
| May | 28°C | 16°C | 1°C / 36°C | 18 mm | 33% | 14 km/h |
| June | 34°C | 21°C | 6°C / 42°C | 6 mm | 25% | 14 km/h |
| July | 36°C | 24°C | 11°C / 42°C | 2 mm | 24% | 13 km/h |
| August | 35°C | 22°C | 10°C / 41°C | 1 mm | 24% | 12 km/h |
| September | 31°C | 18°C | 1°C / 38°C | 3 mm | 27% | 12 km/h |
| October | 23°C | 12°C | -5°C / 32°C | 15 mm | 39% | 10 km/h |
| November | 15°C | 5°C | -12°C / 25°C | 27 mm | 51% | 9 km/h |
| December | 10°C | 1°C | -12°C / 19°C | 18 mm | 56% | 10 km/h |
Best time to visit Shahrīār
The most comfortable time to visit Shahrīār 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 217 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 52 mm, roughly 52× the rainfall of the driest month (August).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Shahrīār forecast for what is happening now.