Climate averages 1991–2020
Khorramabad weather
in December.
A cool, moderately wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Khorramabad: daytime highs average 10.6°C and nights cool to about 0.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 88 mm of rain on roughly 9 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 59 min on an average December day.
The nearest other city in this atlas is Borūjerd (58 km away). In December its highs average 7.3°C, 3.3°C cooler than Khorramabad, with 67 mm of rain.
Among the 128 cities listed in Iran, Khorramabad ranks joint 51st of 128 for the warmest December highs and 110th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Khorramabad is 0.3°C cooler than that mean.
From December to January, average highs fall by 3.5°C to 7.1°C, and monthly rainfall rises from 88 mm to 96 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
Khorramabad 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-2.6°C | -2.6°C | 96 | 10.5 | 10.210 h |
| February | 9.1°C-1.1°C | -1.1°C | 90 | 10.8 | 11.011 h |
| March | 14.5°C3.2°C | 3.2°C | 107 | 11.4 | 12.012 h |
| April | 20.6°C8.4°C | 8.4°C | 79 | 9.8 | 13.013 h |
| May | 27.1°C13.4°C | 13.4°C | 22 | 4.5 | 13.914 h |
| June | 34.4°C18.3°C | 18.3°C | 0.9 | 0.3 | 14.314 h |
| July | 38.2°C21.9°C | 21.9°C | 0.3 | 0.1 | 14.114 h |
| August | 38.0°C21.5°C | 21.5°C | 0.1 | 0.0 | 13.413 h |
| September | 33.4°C17.3°C | 17.3°C | 0.7 | 0.2 | 12.412 h |
| October | 26.0°C12.2°C | 12.2°C | 24 | 3.5 | 11.411 h |
| November | 16.5°C5.5°C | 5.5°C | 66 | 8.0 | 10.510 h |
| December, selected | 10.6°C0.5°C | 0.5°C | 88 | 8.8 | 10.010 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
- Borūjerd in DecemberIran · 58 kmHigh 7.3°C · Low -1.2°C · 67 mm rain
- Dorūd in DecemberIran · 65 kmHigh 8.7°C · Low -0.4°C · 87 mm rain
- Kūhdasht in DecemberIran · 69 kmHigh 11.0°C · Low 0.9°C · 90 mm rain
- Nahāvand in DecemberIran · 78 kmHigh 7.1°C · Low -2.4°C · 62 mm rain
- Malāyer in DecemberIran · 100 kmHigh 6.7°C · Low -3.0°C · 47 mm rain
- Andīmeshk in DecemberIran · 114 kmHigh 18.1°C · Low 8.1°C · 121 mm rain
- Dezful in DecemberIran · 123 kmHigh 18.2°C · Low 7.9°C · 135 mm rain
- Alīgūdarz in DecemberIran · 124 kmHigh 5.1°C · Low -5.7°C · 41 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 Khorramabad) is explained once on the Khorramabad year overview and on the Sources, method and limits page.