Climate averages 1991–2020
Varāmīn weather
in December.
A cool, fairly dry month: the 11th warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Varāmīn: daytime highs average 10.7°C and nights cool to about 0.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 22 mm of rain on roughly 5 days, which makes December a fairly dry month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 49 min on an average December day.
The nearest other city in this atlas is Qarchak (13 km away). In December its highs average 10.2°C, 0.5°C cooler than Varāmīn, with 40 mm of rain.
Among the 128 cities listed in Iran, Varāmīn ranks 50th of 128 for the warmest December highs and joint 23rd of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Varāmīn is 0.3°C cooler than that mean.
From December to January, average highs fall by 1.3°C to 9.4°C, and monthly rainfall rises from 22 mm to 23 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
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 | 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, selected | 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
December in nearby cities
- Qarchak in DecemberIran · 13 kmHigh 10.2°C · Low -0.1°C · 40 mm rain
- Pākdasht in DecemberIran · 17 kmHigh 9.9°C · Low 0.6°C · 30 mm rain
- Eslamshahr in DecemberIran · 45 kmHigh 9.3°C · Low -1.0°C · 45 mm rain
- Tehran in DecemberIran · 46 kmHigh 7.6°C · Low -2.2°C · 43 mm rain
- Golestān in DecemberIran · 47 kmHigh 9.9°C · Low -0.3°C · 45 mm rain
- Pardīs in DecemberIran · 49 kmHigh 3.2°C · Low -4.7°C · 36 mm rain
- Būmahen in DecemberIran · 49 kmHigh 4.3°C · Low -3.1°C · 36 mm rain
- Robāţ Karīm in DecemberIran · 54 kmHigh 9.9°C · Low -0.1°C · 36 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.