Climate averages 1991–2020
Nahāvand weather
in December.
A cold, moderately wet month: the 10th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Nahāvand: daytime highs average 7.1°C and nights cool to about -2.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 62 mm of rain on roughly 8 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 55 min on an average December day.
The nearest other city in this atlas is Malāyer (43 km away). In December its highs average 6.7°C, about as warm as Nahāvand, with 47 mm of rain.
Among the 128 cities listed in Iran, Nahāvand ranks joint 96th of 128 for the warmest December highs and 95th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Nahāvand is 3.8°C cooler than that mean.
From December to January, average highs fall by 3.6°C to 3.5°C, and monthly rainfall rises from 62 mm to 64 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
Nahāvand climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.5°C-5.8°C | -5.8°C | 64 | 9.7 | 10.110 h |
| February | 5.3°C-4.3°C | -4.3°C | 67 | 10.1 | 10.911 h |
| March | 11.1°C0.4°C | 0.4°C | 91 | 11.3 | 11.912 h |
| April | 17.2°C5.8°C | 5.8°C | 72 | 11.3 | 13.013 h |
| May | 23.2°C11.7°C | 11.7°C | 31 | 7.2 | 13.914 h |
| June | 30.4°C17.6°C | 17.6°C | 2.6 | 0.9 | 14.414 h |
| July | 34.6°C21.1°C | 21.1°C | 0.7 | 0.1 | 14.214 h |
| August | 34.4°C20.7°C | 20.7°C | 0.5 | 0.2 | 13.413 h |
| September | 29.6°C16.4°C | 16.4°C | 0.9 | 0.2 | 12.412 h |
| October | 22.2°C10.3°C | 10.3°C | 25 | 4.4 | 11.411 h |
| November | 13.1°C3.1°C | 3.1°C | 59 | 8.3 | 10.410 h |
| December, selected | 7.1°C-2.4°C | -2.4°C | 62 | 8.1 | 9.910 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
- Malāyer in DecemberIran · 43 kmHigh 6.7°C · Low -3.0°C · 47 mm rain
- Borūjerd in DecemberIran · 48 kmHigh 7.3°C · Low -1.2°C · 67 mm rain
- Hamadān in DecemberIran · 69 kmHigh 7.0°C · Low -1.3°C · 48 mm rain
- Khorramabad in DecemberIran · 78 kmHigh 10.6°C · Low 0.5°C · 88 mm rain
- Dorūd in DecemberIran · 100 kmHigh 8.7°C · Low -0.4°C · 87 mm rain
- Kūhdasht in DecemberIran · 102 kmHigh 11.0°C · Low 0.9°C · 90 mm rain
- Qorveh in DecemberIran · 120 kmHigh 5.5°C · Low -4.4°C · 34 mm rain
- Kermanshah in DecemberIran · 121 kmHigh 9.1°C · Low -0.1°C · 64 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 Nahāvand) is explained once on the Nahāvand year overview and on the Sources, method and limits page.