Climate averages 1991–2020
Bam weather
in December.
A mild, very dry month: the 11th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Bam: daytime highs average 17.6°C and nights cool to about 6.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 14 mm of rain on roughly 2 days, which makes December a very dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 19 min on an average December day.
The nearest other city in this atlas is Jīroft (77 km away). In December its highs average 18.7°C, 1.1°C warmer than Bam, with 25 mm of rain.
Among the 128 cities listed in Iran, Bam ranks 20th of 128 for the warmest December highs and joint 8th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Bam is 6.7°C warmer than that mean.
From December to January, average highs fall by 1.6°C to 16.0°C, and monthly rainfall rises from 14 mm to 28 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
Bam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.0°C4.9°C | 4.9°C | 28 | 4.4 | 10.511 h |
| February | 19.2°C7.2°C | 7.2°C | 29 | 4.5 | 11.111 h |
| March | 24.0°C11.3°C | 11.3°C | 24 | 5.1 | 12.012 h |
| April | 30.1°C16.7°C | 16.7°C | 12 | 2.6 | 12.813 h |
| May | 35.1°C22.0°C | 22.0°C | 4.4 | 1.4 | 13.614 h |
| June | 38.7°C25.9°C | 25.9°C | 1.4 | 0.5 | 14.014 h |
| July | 39.0°C27.2°C | 27.2°C | 2.8 | 0.5 | 13.814 h |
| August | 37.4°C25.6°C | 25.6°C | 0.9 | 0.2 | 13.213 h |
| September | 34.6°C22.0°C | 22.0°C | 0.5 | 0.2 | 12.412 h |
| October | 29.4°C16.9°C | 16.9°C | 3.0 | 0.9 | 11.511 h |
| November | 22.3°C10.5°C | 10.5°C | 4.6 | 1.2 | 10.711 h |
| December, selected | 17.6°C6.3°C | 6.3°C | 14 | 2.0 | 10.310 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
- Jīroft in DecemberIran · 77 kmHigh 18.7°C · Low 8.7°C · 25 mm rain
- Kerman in DecemberIran · 180 kmHigh 13.4°C · Low 2.6°C · 14 mm rain
- Zahedan in DecemberIran · 247 kmHigh 15.3°C · Low 3.9°C · 13 mm rain
- Mīnāb in DecemberIran · 252 kmHigh 25.4°C · Low 14.2°C · 37 mm rain
- Sirjan in DecemberIran · 262 kmHigh 13.2°C · Low 1.1°C · 26 mm rain
- Rafsanjān in DecemberIran · 270 kmHigh 14.8°C · Low 1.6°C · 12 mm rain
- Bandar Abbas in DecemberIran · 295 kmHigh 25.0°C · Low 15.1°C · 33 mm rain
- Iranshahr in DecemberIran · 311 kmHigh 22.3°C · Low 8.2°C · 10 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 Bam) is explained once on the Bam year overview and on the Sources, method and limits page.