Climate averages 1991–2020
Arlit weather
in August.
A very hot, fairly dry month: the joint 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Arlit: daytime highs average 39.3°C and nights cool to about 26.8°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 16 mm of rain on roughly 4 days, which makes August a fairly dry month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 46 min on an average August day.
The nearest other city in this atlas is Agadez (206 km away). In August its highs average 37.2°C, 2.1°C cooler than Arlit, with 37 mm of rain.
Among the 8 cities listed in Niger, Arlit ranks 1st of 8 for the warmest August highs and 1st of 8 for the driest August (rainfall, lowest first). The mean August high of those 8 cities is 33.5°C; Arlit is 5.8°C warmer than that mean.
From August to September, average highs rise by 0.7°C to 40.0°C, and monthly rainfall falls from 16 mm to 4.4 mm.
The annual picture
August 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, selected | 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 | 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
August in nearby cities
- Agadez in AugustNiger · 206 kmHigh 37.2°C · Low 25.2°C · 37 mm rain
- Tahoua in AugustNiger · 484 kmHigh 33.4°C · Low 24.1°C · 90 mm rain
- Tamanghasset in AugustAlgeria · 490 kmHigh 34.6°C · Low 22.3°C · 5.2 mm rain
- Zinder in AugustNiger · 574 kmHigh 31.5°C · Low 23.0°C · 133 mm rain
- Maradi in AugustNiger · 583 kmHigh 30.9°C · Low 23.2°C · 129 mm rain
- Birni N Konni in AugustNiger · 595 kmHigh 31.8°C · Low 24.1°C · 129 mm rain
- Katsina in AugustNigeria · 639 kmHigh 29.5°C · Low 22.0°C · 173 mm rain
- Sokoto in AugustNigeria · 671 kmHigh 30.6°C · Low 23.5°C · 171 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.