Climate averages 1991–2020
Bandar-e Emam Khomeyni weather
in December.
A mild, moderately wet month: the 11th warmest and the 11th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Bandar-e Emam Khomeyni: daytime highs average 18.5°C and nights cool to about 12.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 56 mm of rain on roughly 6 days, which makes December a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 13 min on an average December day.
The nearest other city in this atlas is Bandar-e Māhshahr (16 km away). In December its highs average 19.4°C, 0.9°C warmer than Bandar-e Emam Khomeyni, with 68 mm of rain.
Among the 128 cities listed in Iran, Bandar-e Emam Khomeyni ranks 15th of 128 for the warmest December highs and joint 89th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Bandar-e Emam Khomeyni is 7.5°C warmer than that mean.
From December to January, average highs fall by 1.7°C to 16.7°C, and monthly rainfall falls from 56 mm to 47 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
Bandar-e Emam Khomeyni climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.7°C10.3°C | 10.3°C | 47 | 5.8 | 10.410 h |
| February | 19.0°C11.7°C | 11.7°C | 27 | 3.8 | 11.111 h |
| March | 23.9°C15.5°C | 15.5°C | 28 | 4.0 | 12.012 h |
| April | 30.0°C20.8°C | 20.8°C | 9.6 | 1.8 | 12.913 h |
| May | 36.5°C26.4°C | 26.4°C | 3.2 | 0.4 | 13.714 h |
| June | 40.5°C30.0°C | 30.0°C | 0.1 | 0.1 | 14.114 h |
| July | 41.6°C31.8°C | 31.8°C | 0.1 | 0.0 | 13.914 h |
| August | 41.4°C31.6°C | 31.6°C | 0 | 0.0 | 13.213 h |
| September | 38.2°C28.6°C | 28.6°C | 0.3 | 0.1 | 12.412 h |
| October | 32.9°C24.2°C | 24.2°C | 5.4 | 0.9 | 11.511 h |
| November | 24.2°C17.3°C | 17.3°C | 65 | 4.0 | 10.611 h |
| December, selected | 18.5°C12.0°C | 12.0°C | 56 | 5.6 | 10.210 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
- Bandar-e Māhshahr in DecemberIran · 16 kmHigh 19.4°C · Low 10.1°C · 68 mm rain
- Abadan in DecemberIran · 77 kmHigh 19.8°C · Low 9.9°C · 34 mm rain
- Al Fāw in DecemberIraq · 79 kmHigh 18.9°C · Low 12.8°C · 37 mm rain
- Khorramshahr in DecemberIran · 88 kmHigh 19.8°C · Low 9.9°C · 37 mm rain
- Rāmhormoz in DecemberIran · 105 kmHigh 18.6°C · Low 8.7°C · 93 mm rain
- Ahvaz in DecemberIran · 106 kmHigh 19.1°C · Low 9.4°C · 73 mm rain
- Behbahān in DecemberIran · 111 kmHigh 18.6°C · Low 8.3°C · 118 mm rain
- Abū al-Kahṣīb in DecemberIraq · 117 kmHigh 19.8°C · Low 9.6°C · 34 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 Bandar-e Emam Khomeyni) is explained once on the Bandar-e Emam Khomeyni year overview and on the Sources, method and limits page.