Climate averages 1991–2020
Varāmīn weather
in May.
A hot, very dry month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Varāmīn: daytime highs average 30.6°C and nights cool to about 16.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 8.5 mm of rain on roughly 2 days, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 00 min on an average May day.
The nearest other city in this atlas is Qarchak (13 km away). In May its highs average 29.6°C, 1.0°C cooler than Varāmīn, with 13 mm of rain.
Among the 128 cities listed in Iran, Varāmīn ranks 31st of 128 for the warmest May highs and 38th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Varāmīn is 2.8°C warmer than that mean.
From May to June, average highs rise by 5.8°C to 36.4°C, and monthly rainfall falls from 8.5 mm to 1.5 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Varāmīn climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.4°C-1.9°C | -1.9°C | 23 | 5.2 | 10.110 h |
| February | 12.2°C0.0°C | 0.0°C | 23 | 5.3 | 10.911 h |
| March | 17.9°C4.4°C | 4.4°C | 32 | 5.7 | 11.912 h |
| April | 24.3°C10.4°C | 10.4°C | 22 | 4.5 | 13.113 h |
| May, selected | 30.6°C16.0°C | 16.0°C | 8.5 | 1.9 | 14.014 h |
| June | 36.4°C21.6°C | 21.6°C | 1.5 | 0.3 | 14.514 h |
| July | 38.9°C25.1°C | 25.1°C | 0.7 | 0.1 | 14.314 h |
| August | 37.7°C23.7°C | 23.7°C | 0.8 | 0.2 | 13.513 h |
| September | 33.0°C18.5°C | 18.5°C | 0.8 | 0.2 | 12.412 h |
| October | 25.7°C12.0°C | 12.0°C | 8.3 | 1.7 | 11.311 h |
| November | 16.3°C4.9°C | 4.9°C | 25 | 4.4 | 10.310 h |
| December | 10.7°C0.1°C | 0.1°C | 22 | 4.9 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Qarchak in MayIran · 13 kmHigh 29.6°C · Low 15.3°C · 13 mm rain
- Pākdasht in MayIran · 17 kmHigh 28.8°C · Low 15.5°C · 13 mm rain
- Eslamshahr in MayIran · 45 kmHigh 28.2°C · Low 13.9°C · 16 mm rain
- Tehran in MayIran · 46 kmHigh 26.6°C · Low 14.0°C · 22 mm rain
- Golestān in MayIran · 47 kmHigh 28.9°C · Low 14.2°C · 16 mm rain
- Pardīs in MayIran · 49 kmHigh 21.3°C · Low 11.2°C · 24 mm rain
- Būmahen in MayIran · 49 kmHigh 22.2°C · Low 12.6°C · 24 mm rain
- Robāţ Karīm in MayIran · 54 kmHigh 29.0°C · Low 14.3°C · 17 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Varāmīn) is explained once on the Varāmīn year overview and on the Sources, method and limits page.