Climate averages 1991–2020
Arlit weather
in May.
A very hot, very dry month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Arlit: daytime highs average 41.7°C and nights cool to about 26.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 1.0 mm of rain on fewer than one day, which makes May a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average May day.
The nearest other city in this atlas is Agadez (206 km away). In May its highs average 40.9°C, 0.8°C cooler than Arlit, with 1.0 mm of rain.
Among the 8 cities listed in Niger, Arlit ranks 1st of 8 for the warmest May highs and joint 1st of 8 for the driest May (rainfall, lowest first). The mean May high of those 8 cities is 40.3°C; Arlit is 1.4°C warmer than that mean.
From May to June, average highs rise by 0.2°C to 41.9°C, and monthly rainfall rises from 1.0 mm to 2.0 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Agadez in MayNiger · 206 kmHigh 40.9°C · Low 26.3°C · 1.0 mm rain
- Tahoua in MayNiger · 484 kmHigh 40.3°C · Low 25.8°C · 9.0 mm rain
- Tamanghasset in MayAlgeria · 490 kmHigh 33.7°C · Low 19.9°C · 2.7 mm rain
- Zinder in MayNiger · 574 kmHigh 39.6°C · Low 24.6°C · 6.1 mm rain
- Maradi in MayNiger · 583 kmHigh 39.3°C · Low 25.7°C · 11 mm rain
- Birni N Konni in MayNiger · 595 kmHigh 40.3°C · Low 27.9°C · 14 mm rain
- Katsina in MayNigeria · 639 kmHigh 38.0°C · Low 25.0°C · 18 mm rain
- Sokoto in MayNigeria · 671 kmHigh 39.4°C · Low 27.8°C · 21 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.