Climate averages 1991–2020
Tamanghasset weather
in December.
A mild, very dry month: the 11th 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 mild month in Tamanghasset: daytime highs average 20.8°C and nights cool to about 7.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 1.0 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 10 h 46 min on an average December day.
The nearest other city in this atlas is Arlit (490 km away). In December its highs average 28.4°C, 7.6°C warmer than Tamanghasset, with almost no rain (under 1 mm).
Among the 55 cities listed in Algeria, Tamanghasset ranks 1st of 55 for the warmest December highs and 1st of 55 for the driest December (rainfall, lowest first). The mean December high of those 55 cities is 14.1°C; Tamanghasset is 6.6°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 19.4°C, and monthly rainfall rises from 1.0 mm to 2.0 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
Tamanghasset climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.4°C5.2°C | 5.2°C | 2.0 | 0.5 | 10.911 h |
| February | 22.1°C7.4°C | 7.4°C | 1.3 | 0.3 | 11.411 h |
| March | 25.8°C11.1°C | 11.1°C | 3.6 | 0.7 | 12.012 h |
| April | 30.6°C15.9°C | 15.9°C | 0.7 | 0.1 | 12.713 h |
| May | 33.7°C19.9°C | 19.9°C | 2.7 | 0.5 | 13.213 h |
| June | 35.6°C22.2°C | 22.2°C | 1.5 | 0.4 | 13.514 h |
| July | 35.4°C22.5°C | 22.5°C | 1.5 | 0.4 | 13.413 h |
| August | 34.6°C22.3°C | 22.3°C | 5.2 | 1.8 | 12.913 h |
| September | 33.4°C20.7°C | 20.7°C | 1.8 | 0.7 | 12.312 h |
| October | 29.5°C16.5°C | 16.5°C | 2.1 | 0.7 | 11.612 h |
| November | 24.5°C11.1°C | 11.1°C | 0.7 | 0.2 | 11.111 h |
| December, selected | 20.8°C7.0°C | 7.0°C | 1.0 | 0.4 | 10.811 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
- Arlit in DecemberNiger · 490 kmHigh 28.4°C · Low 12.1°C · 0.1 mm rain
- Agadez in DecemberNiger · 696 kmHigh 28.3°C · Low 14.6°C · 0 mm rain
- El Oued in DecemberAlgeria · 1183 kmHigh 16.1°C · Low 6.2°C · 6.8 mm rain
- Djelfa in DecemberAlgeria · 1340 kmHigh 10.8°C · Low 2.1°C · 23 mm rain
- Biskra in DecemberAlgeria · 1342 kmHigh 16.2°C · Low 6.3°C · 11 mm rain
- Batna in DecemberAlgeria · 1421 kmHigh 11.2°C · Low 2.1°C · 34 mm rain
- Tébessa in DecemberAlgeria · 1426 kmHigh 12.6°C · Low 3.2°C · 31 mm rain
- Sétif in DecemberAlgeria · 1491 kmHigh 10.3°C · Low 2.0°C · 51 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 Tamanghasset) is explained once on the Tamanghasset year overview and on the Sources, method and limits page.