Climate averages 1991–2020
Arlit weather
in December.
A hot, very dry month: the 11th warmest and the joint 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Arlit: daytime highs average 28.4°C and nights cool to about 12.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical December (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 02 min on an average December day.
The nearest other city in this atlas is Agadez (206 km away). In December its highs average 28.3°C, about as warm as Arlit, with almost no rain (under 1 mm).
Among the 8 cities listed in Niger, Arlit ranks 7th of 8 for the warmest December highs and 8th of 8 for the driest December (rainfall, lowest first). The mean December high of those 8 cities is 30.7°C; Arlit is 2.3°C cooler than that mean.
From December to January, average highs fall by 1.2°C to 27.2°C, and monthly rainfall stays under 1 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
Arlit climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.2°C10.8°C | 10.8°C | 0.1 | 0.0 | 11.111 h |
| February | 30.4°C13.5°C | 13.5°C | 0.1 | 0.0 | 11.512 h |
| March | 34.8°C17.8°C | 17.8°C | 0 | 0.0 | 12.012 h |
| April | 39.3°C22.5°C | 22.5°C | 0.2 | 0.0 | 12.613 h |
| May | 41.7°C26.3°C | 26.3°C | 1.0 | 0.4 | 13.013 h |
| June | 41.9°C27.7°C | 27.7°C | 2.0 | 0.7 | 13.213 h |
| July | 40.3°C27.4°C | 27.4°C | 5.4 | 1.8 | 13.113 h |
| August | 39.3°C26.8°C | 26.8°C | 16 | 4.4 | 12.813 h |
| September | 40.0°C25.8°C | 25.8°C | 4.4 | 1.6 | 12.312 h |
| October | 37.5°C22.3°C | 22.3°C | 0.3 | 0.1 | 11.712 h |
| November | 32.5°C16.2°C | 16.2°C | 0 | 0.0 | 11.311 h |
| December, selected | 28.4°C12.1°C | 12.1°C | 0.1 | 0.0 | 11.011 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
- Agadez in DecemberNiger · 206 kmHigh 28.3°C · Low 14.6°C · 0 mm rain
- Tahoua in DecemberNiger · 484 kmHigh 31.3°C · Low 15.6°C · 0 mm rain
- Tamanghasset in DecemberAlgeria · 490 kmHigh 20.8°C · Low 7.0°C · 1.0 mm rain
- Zinder in DecemberNiger · 574 kmHigh 29.6°C · Low 13.9°C · 0 mm rain
- Maradi in DecemberNiger · 583 kmHigh 30.6°C · Low 15.2°C · 0 mm rain
- Birni N Konni in DecemberNiger · 595 kmHigh 31.9°C · Low 17.6°C · 0 mm rain
- Katsina in DecemberNigeria · 639 kmHigh 29.7°C · Low 15.0°C · 0 mm rain
- Sokoto in DecemberNigeria · 671 kmHigh 32.2°C · Low 18.6°C · 0 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 Arlit) is explained once on the Arlit year overview and on the Sources, method and limits page.