Climate averages 1991–2020
Īz̄eh weather
in December.
A mild, wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Īz̄eh: daytime highs average 15.0°C and nights cool to about 3.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 141 mm of rain on roughly 10 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 07 min on an average December day.
The nearest other city in this atlas is Masjed Soleymān (55 km away). In December its highs average 18.2°C, 3.2°C warmer than Īz̄eh, with 128 mm of rain.
Among the 128 cities listed in Iran, Īz̄eh ranks 27th of 128 for the warmest December highs and 127th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Īz̄eh is 4.0°C warmer than that mean.
From December to January, average highs fall by 2.9°C to 12.1°C, and monthly rainfall rises from 141 mm to 148 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
Īz̄eh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.1°C1.0°C | 1.0°C | 148 | 12.3 | 10.310 h |
| February | 13.9°C2.3°C | 2.3°C | 116 | 10.6 | 11.011 h |
| March | 18.1°C5.8°C | 5.8°C | 129 | 8.8 | 12.012 h |
| April | 23.9°C11.1°C | 11.1°C | 70 | 6.2 | 12.913 h |
| May | 31.1°C16.5°C | 16.5°C | 8.4 | 1.6 | 13.814 h |
| June | 37.3°C21.2°C | 21.2°C | 0.1 | 0.0 | 14.214 h |
| July | 39.7°C25.0°C | 25.0°C | 0.1 | 0.0 | 14.014 h |
| August | 39.7°C24.6°C | 24.6°C | 0.3 | 0.1 | 13.313 h |
| September | 35.8°C20.1°C | 20.1°C | 0.4 | 0.1 | 12.412 h |
| October | 29.3°C15.1°C | 15.1°C | 13 | 1.7 | 11.411 h |
| November | 20.2°C8.9°C | 8.9°C | 101 | 7.2 | 10.611 h |
| December, selected | 15.0°C3.6°C | 3.6°C | 141 | 9.7 | 10.110 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
- Masjed Soleymān in DecemberIran · 55 kmHigh 18.2°C · Low 8.6°C · 128 mm rain
- Rāmhormoz in DecemberIran · 66 kmHigh 18.6°C · Low 8.7°C · 93 mm rain
- Shūshtar in DecemberIran · 99 kmHigh 18.6°C · Low 8.5°C · 103 mm rain
- Shahr-e Kord in DecemberIran · 108 kmHigh 6.8°C · Low -5.2°C · 56 mm rain
- Ahvaz in DecemberIran · 126 kmHigh 19.1°C · Low 9.4°C · 73 mm rain
- Behbahān in DecemberIran · 142 kmHigh 18.6°C · Low 8.3°C · 118 mm rain
- Dezful in DecemberIran · 151 kmHigh 18.2°C · Low 7.9°C · 135 mm rain
- Bandar-e Māhshahr in DecemberIran · 156 kmHigh 19.4°C · Low 10.1°C · 68 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 Īz̄eh) is explained once on the Īz̄eh year overview and on the Sources, method and limits page.