Climate averages 1991–2020
Semnan weather
in February.
A cool, very dry month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a cool month in Semnan: daytime highs average 9.6°C and nights cool to about 0.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 14 mm of rain on roughly 3 days, which makes February a very dry month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 52 min on an average February day.
The nearest other city in this atlas is Qā’em Shahr (110 km away). In February its highs average 12.6°C, 3.0°C warmer than Semnan, with 66 mm of rain.
Among the 128 cities listed in Iran, Semnan ranks joint 67th of 128 for the warmest February highs and joint 5th of 128 for the driest February (rainfall, lowest first). The mean February high of those 128 cities is 10.7°C; Semnan is 1.1°C cooler than that mean.
From February to March, average highs rise by 5.7°C to 15.3°C, and monthly rainfall rises from 14 mm to 18 mm.
The annual picture
February 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
Semnan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.1°C-1.0°C | -1.0°C | 12 | 3.3 | 10.010 h |
| February, selected | 9.6°C0.4°C | 0.4°C | 14 | 3.1 | 10.911 h |
| March | 15.3°C4.7°C | 4.7°C | 18 | 3.9 | 11.912 h |
| April | 21.9°C10.4°C | 10.4°C | 13 | 2.8 | 13.113 h |
| May | 27.7°C15.2°C | 15.2°C | 4.8 | 1.3 | 14.014 h |
| June | 32.8°C19.5°C | 19.5°C | 1.2 | 0.3 | 14.515 h |
| July | 35.3°C22.4°C | 22.4°C | 1.0 | 0.3 | 14.314 h |
| August | 34.3°C21.7°C | 21.7°C | 1.2 | 0.3 | 13.514 h |
| September | 29.8°C18.0°C | 18.0°C | 1.7 | 0.5 | 12.412 h |
| October | 22.8°C12.5°C | 12.5°C | 4.5 | 1.2 | 11.311 h |
| November | 13.9°C5.8°C | 5.8°C | 11 | 3.1 | 10.310 h |
| December | 8.4°C1.2°C | 1.2°C | 10 | 3.2 | 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
February in nearby cities
- Qā’em Shahr in FebruaryIran · 110 kmHigh 12.6°C · Low 1.9°C · 66 mm rain
- Sari in FebruaryIran · 114 kmHigh 12.6°C · Low 2.1°C · 74 mm rain
- Behshahr in FebruaryIran · 125 kmHigh 13.1°C · Low 3.8°C · 65 mm rain
- Bābol in FebruaryIran · 126 kmHigh 12.3°C · Low 3.2°C · 66 mm rain
- Āmol in FebruaryIran · 136 kmHigh 10.8°C · Low 2.0°C · 124 mm rain
- Būmahen in FebruaryIran · 139 kmHigh 3.5°C · Low -4.5°C · 44 mm rain
- Pardīs in FebruaryIran · 144 kmHigh 2.6°C · Low -6.1°C · 44 mm rain
- Pākdasht in FebruaryIran · 155 kmHigh 10.6°C · Low -0.4°C · 33 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 Semnan) is explained once on the Semnan year overview and on the Sources, method and limits page.