Climate averages 1991–2020
Shahr-e Ṣadrā 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 Shahr-e Ṣadrā: daytime highs average 11.5°C and nights cool to about 0.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 58 mm of rain on roughly 5 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 16 min on an average December day.
The nearest other city in this atlas is Shiraz (21 km away). In December its highs average 13.7°C, 2.2°C warmer than Shahr-e Ṣadrā, with 69 mm of rain.
Among the 128 cities listed in Iran, Shahr-e Ṣadrā ranks 45th of 128 for the warmest December highs and joint 92nd of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Shahr-e Ṣadrā is 0.5°C warmer than that mean.
From December to January, average highs fall by 2.8°C to 8.6°C, and monthly rainfall rises from 58 mm to 82 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
Shahr-e Ṣadrā climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.6°C-2.1°C | -2.1°C | 82 | 7.1 | 10.510 h |
| February | 10.9°C-0.8°C | -0.8°C | 59 | 6.7 | 11.111 h |
| March | 14.9°C2.0°C | 2.0°C | 60 | 6.8 | 12.012 h |
| April | 20.2°C6.6°C | 6.6°C | 26 | 4.3 | 12.913 h |
| May | 26.8°C11.4°C | 11.4°C | 4.5 | 1.1 | 13.614 h |
| June | 32.3°C16.0°C | 16.0°C | 0.2 | 0.1 | 14.014 h |
| July | 34.4°C18.9°C | 18.9°C | 0.2 | 0.1 | 13.914 h |
| August | 33.2°C18.3°C | 18.3°C | 0.5 | 0.2 | 13.213 h |
| September | 29.5°C14.7°C | 14.7°C | 0.1 | 0.0 | 12.412 h |
| October | 23.5°C9.9°C | 9.9°C | 2.5 | 0.7 | 11.511 h |
| November | 16.1°C4.4°C | 4.4°C | 28 | 3.4 | 10.711 h |
| December, selected | 11.5°C0.3°C | 0.3°C | 58 | 4.9 | 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
- Shiraz in DecemberIran · 21 kmHigh 13.7°C · Low 4.1°C · 69 mm rain
- Marvdasht in DecemberIran · 30 kmHigh 13.1°C · Low -0.3°C · 45 mm rain
- Kāzerūn in DecemberIran · 84 kmHigh 17.0°C · Low 7.5°C · 80 mm rain
- Yasuj in DecemberIran · 131 kmHigh 9.9°C · Low -1.4°C · 133 mm rain
- Borāzjān in DecemberIran · 137 kmHigh 21.5°C · Low 10.8°C · 58 mm rain
- Fasā in DecemberIran · 147 kmHigh 15.5°C · Low 4.4°C · 36 mm rain
- Dogonbadan in DecemberIran · 175 kmHigh 17.3°C · Low 6.2°C · 115 mm rain
- Jahrom in DecemberIran · 177 kmHigh 18.3°C · Low 7.7°C · 45 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 Shahr-e Ṣadrā) is explained once on the Shahr-e Ṣadrā year overview and on the Sources, method and limits page.