Climate averages 1991–2020
Shahrud weather
in December.
A cold, fairly dry month: the 11th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Shahrud: daytime highs average 6.6°C and nights cool to about -0.4°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 26 mm of rain on roughly 7 days, which makes December a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 44 min on an average December day.
The nearest other city in this atlas is Gonbad-e Kāvūs (94 km away). In December its highs average 14.5°C, 7.8°C warmer than Shahrud, with 36 mm of rain.
Among the 128 cities listed in Iran, Shahrud ranks joint 105th of 128 for the warmest December highs and joint 31st of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Shahrud is 4.3°C cooler than that mean.
From December to January, average highs fall by 1.5°C to 5.2°C, and monthly rainfall rises from 26 mm to 31 mm.
The annual picture
December 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
Shahrud climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.2°C-2.1°C | -2.1°C | 31 | 7.3 | 10.010 h |
| February | 7.4°C-1.1°C | -1.1°C | 40 | 8.9 | 10.811 h |
| March | 12.9°C2.9°C | 2.9°C | 57 | 12.0 | 11.912 h |
| April | 19.4°C8.1°C | 8.1°C | 59 | 13.4 | 13.113 h |
| May | 25.0°C12.8°C | 12.8°C | 53 | 13.9 | 14.114 h |
| June | 29.5°C16.7°C | 16.7°C | 22 | 6.1 | 14.615 h |
| July | 31.7°C19.2°C | 19.2°C | 10 | 2.4 | 14.414 h |
| August | 31.1°C18.5°C | 18.5°C | 12 | 3.6 | 13.514 h |
| September | 27.0°C15.3°C | 15.3°C | 24 | 6.2 | 12.412 h |
| October | 20.4°C10.3°C | 10.3°C | 34 | 8.0 | 11.311 h |
| November | 12.0°C3.9°C | 3.9°C | 33 | 7.9 | 10.310 h |
| December, selected | 6.6°C-0.4°C | -0.4°C | 26 | 6.5 | 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
December in nearby cities
- Gonbad-e Kāvūs in DecemberIran · 94 kmHigh 14.5°C · Low 3.3°C · 36 mm rain
- Behshahr in DecemberIran · 131 kmHigh 14.5°C · Low 5.8°C · 59 mm rain
- Semnan in DecemberIran · 170 kmHigh 8.4°C · Low 1.2°C · 10 mm rain
- Sari in DecemberIran · 172 kmHigh 13.8°C · Low 3.7°C · 68 mm rain
- Qā’em Shahr in DecemberIran · 189 kmHigh 13.6°C · Low 3.5°C · 65 mm rain
- Bābol in DecemberIran · 206 kmHigh 13.5°C · Low 4.8°C · 65 mm rain
- Āmol in DecemberIran · 235 kmHigh 12.2°C · Low 3.8°C · 133 mm rain
- Bojnūrd in DecemberIran · 240 kmHigh 8.5°C · Low -2.3°C · 27 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 Shahrud) is explained once on the Shahrud year overview and on the Sources, method and limits page.