Climate averages 1991–2020
Rasht weather
in May.
A warm, moderately wet month: the 5th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Rasht: daytime highs average 22.2°C and nights cool to about 13.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 55 mm of rain on roughly 10 days, which makes May a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 09 min on an average May day.
The nearest other city in this atlas is Bandar-e Anzalī (25 km away). In May its highs average 19.8°C, 2.4°C cooler than Rasht, with 29 mm of rain.
Among the 128 cities listed in Iran, Rasht ranks joint 111th of 128 for the warmest May highs and 121st of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Rasht is 5.6°C cooler than that mean.
From May to June, average highs rise by 3.8°C to 26.0°C, and monthly rainfall rises from 55 mm to 72 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
Rasht climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.6°C2.6°C | 2.6°C | 125 | 12.7 | 9.910 h |
| February | 10.7°C2.3°C | 2.3°C | 123 | 12.7 | 10.811 h |
| March | 13.7°C5.0°C | 5.0°C | 118 | 14.4 | 11.912 h |
| April | 17.6°C9.0°C | 9.0°C | 88 | 12.8 | 13.113 h |
| May, selected | 22.2°C13.8°C | 13.8°C | 55 | 9.5 | 14.114 h |
| June | 26.0°C18.1°C | 18.1°C | 72 | 8.1 | 14.715 h |
| July | 27.9°C20.9°C | 20.9°C | 82 | 8.4 | 14.514 h |
| August | 28.1°C21.2°C | 21.2°C | 109 | 10.6 | 13.614 h |
| September | 24.6°C18.3°C | 18.3°C | 189 | 14.5 | 12.512 h |
| October | 20.8°C14.2°C | 14.2°C | 222 | 15.2 | 11.311 h |
| November | 15.8°C8.9°C | 8.9°C | 201 | 14.1 | 10.210 h |
| December | 12.5°C4.8°C | 4.8°C | 136 | 12.3 | 9.710 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
- Bandar-e Anzalī in MayIran · 25 kmHigh 19.8°C · Low 17.0°C · 29 mm rain
- Lāhījān in MayIran · 38 kmHigh 23.1°C · Low 14.3°C · 50 mm rain
- Zanjan in MayIran · 118 kmHigh 21.8°C · Low 8.5°C · 58 mm rain
- Qazvin in MayIran · 118 kmHigh 24.0°C · Low 11.5°C · 33 mm rain
- Alvand in MayIran · 128 kmHigh 24.8°C · Low 11.1°C · 33 mm rain
- Moḩammadīyeh in MayIran · 128 kmHigh 24.2°C · Low 10.9°C · 19 mm rain
- Tākestān in MayIran · 134 kmHigh 25.8°C · Low 10.8°C · 22 mm rain
- Ardabīl in MayIran · 157 kmHigh 19.7°C · Low 7.9°C · 60 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 Rasht) is explained once on the Rasht year overview and on the Sources, method and limits page.