Climate averages 1991–2020
Şalālah weather
in December.
A warm, very dry month: the 10th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Şalālah: daytime highs average 27.5°C and nights cool to about 18.8°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 1.9 mm of rain on fewer than one day, which makes December a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 08 min on an average December day.
The nearest other city in this atlas is Mukalla (598 km away). In December its highs average 27.5°C, about as warm as Şalālah, with 2.3 mm of rain.
Among the 12 cities listed in Oman, Şalālah ranks 1st of 12 for the warmest December highs and 1st of 12 for the driest December (rainfall, lowest first). The mean December high of those 12 cities is 26.0°C; Şalālah is 1.4°C warmer than that mean.
From December to January, average highs fall by 1.8°C to 25.7°C, and monthly rainfall falls from 1.9 mm to 1.5 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
Şalālah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.7°C17.2°C | 17.2°C | 1.5 | 0.5 | 11.211 h |
| February | 26.9°C18.3°C | 18.3°C | 1.2 | 0.3 | 11.612 h |
| March | 29.3°C21.1°C | 21.1°C | 7.0 | 1.4 | 12.012 h |
| April | 31.9°C23.8°C | 23.8°C | 2.2 | 0.7 | 12.513 h |
| May | 33.2°C25.2°C | 25.2°C | 30 | 1.1 | 12.913 h |
| June | 32.2°C25.7°C | 25.7°C | 8.9 | 1.3 | 13.113 h |
| July | 29.4°C24.2°C | 24.2°C | 2.8 | 0.7 | 13.013 h |
| August | 28.6°C23.3°C | 23.3°C | 2.5 | 0.7 | 12.713 h |
| September | 29.9°C23.2°C | 23.2°C | 4.6 | 1.3 | 12.212 h |
| October | 31.6°C24.0°C | 24.0°C | 8.9 | 0.8 | 11.812 h |
| November | 30.1°C22.1°C | 22.1°C | 8.1 | 1.2 | 11.411 h |
| December, selected | 27.5°C18.8°C | 18.8°C | 1.9 | 0.5 | 11.111 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
- Mukalla in DecemberYemen · 598 kmHigh 27.5°C · Low 19.9°C · 2.3 mm rain
- El Dibir in DecemberSomalia · 661 kmHigh 26.7°C · Low 23.2°C · 29 mm rain
- ‘Ibrī in DecemberOman · 735 kmHigh 26.5°C · Low 12.9°C · 5.0 mm rain
- Nizwá in DecemberOman · 750 kmHigh 26.5°C · Low 14.7°C · 5.8 mm rain
- Rustaq in DecemberOman · 790 kmHigh 26.0°C · Low 17.5°C · 14 mm rain
- Şaḩam in DecemberOman · 847 kmHigh 25.6°C · Low 16.9°C · 8.8 mm rain
- Seeb in DecemberOman · 854 kmHigh 25.3°C · Low 18.7°C · 12 mm rain
- Muscat in DecemberOman · 858 kmHigh 25.1°C · Low 18.2°C · 13 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 Şalālah) is explained once on the Şalālah year overview and on the Sources, method and limits page.