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Climate guideThirty-year normals for Atar
Atar climate by month
Hot desert · BWhBest Jan–Feb · Dec
Annual mean28°day and night
Seasonal swing15°warmest vs coolest
Precipitation60 mm9 wet days a year
20.52° N, 13.05° WElevation 192 mUTC+0 · Greenwich Mean Time
When to goAtar · weather score
Best timeJan–Feb · Dec
October: high / low37° / 24°
iSummary
What the weather is like
Atar has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is July, when afternoons average 41° and nights 28°. January is the coolest month, with highs of 25° and lows of 13°. The difference between the warmest and the coolest month is about 15°.
About 60 mm of precipitation falls in an average year. September is the wettest month (21 mm, 3 wet days) and January the driest (1 mm, 0 wet days). Cloud cover ranges from 6% in July to 28% in November.
Compared with Nouakchott, the capital, Atar is 11.3° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 41° · July
- Coldest nights
- 13° · January
- Wettest month
- September
- Driest month
- January
- Clearest skies
- July · 6% cloud
- Longest day
- 13 h 22 min
- Shortest day
- 10 h 54 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 25° | 29° | 32° | 35° | 38° | 41° | 41° | 41° | 40° | 37° | 31° | 27° |
| Average low | 13° | 16° | 18° | 21° | 24° | 27° | 28° | 28° | 28° | 24° | 19° | 15° |
| Precipitation | 1 mm | 1 mm | 0 mm | 0 mm | 0 mm | 2 mm | 5 mm | 18 mm | 21 mm | 7 mm | 2 mm | 3 mm |
| Wet days (≥1 mm) | 0.2 | 0.2 | 0.7 | 0.3 | 0.2 | 0.5 | 0.8 | 2 | 2.7 | 1.2 | 0.3 | 0.3 |
| Cloud cover | 22% | 22% | 15% | 15% | 13% | 8% | 6% | 11% | 15% | 18% | 28% | 28% |
| Daylight | 11h 01 | 11h 29 | 12h 01 | 12h 37 | 13h 06 | 13h 22 | 13h 16 | 12h 50 | 12h 16 | 11h 42 | 11h 10 | 10h 54 |
| Month score | 98 | 84 | 69 | 57 | 58 | 57 | 56 | 53 | 52 | 55 | 72 | 91 |
ivMonth by month
Atar in every month
January98
25° / 13°
1 mm · 0.2 wet days
February84
29° / 16°
1 mm · 0.2 wet days
March69
32° / 18°
0 mm · 0.7 wet day
April57
35° / 21°
0 mm · 0.3 wet days
May58
38° / 24°
0 mm · 0.2 wet days
June57
41° / 27°
2 mm · 0.5 wet day
July56
41° / 28°
5 mm · 0.8 wet day
August53
41° / 28°
18 mm · 2 wet days
September52
40° / 28°
21 mm · 2.7 wet days
October55
37° / 24°
7 mm · 1.2 wet day
November72
31° / 19°
2 mm · 0.3 wet days
December91
27° / 15°
3 mm · 0.3 wet days