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Climate guideThirty-year normals for Diffa
Diffa climate by month
Hot desert · BWhBest Jan–Feb · Dec
Annual mean28°day and night
Seasonal swing12°warmest vs coolest
Precipitation282 mm60 wet days a year
13.32° N, 12.61° EElevation 311 mUTC+1 · West Africa Time
When to goDiffa · weather score
Best timeJan–Feb · Dec
October: high / low37° / 23°
iSummary
What the weather is like
Diffa has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is May, when afternoons average 41° and nights 26°. January is the coolest month, with highs of 29° and lows of 14°. The difference between the warmest and the coolest month is about 12°.
About 282 mm of precipitation falls in an average year. August is the wettest month (117 mm, 22 wet days) and January the driest (0 mm, 0 wet days). Cloud cover ranges from 12% in January to 45% in August.
Compared with Niamey, the capital, Diffa is 0.1° warmer on a May afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 41° · May
- Coldest nights
- 14° · January
- Wettest month
- August
- Driest month
- January
- Clearest skies
- January · 12% cloud
- Longest day
- 12 h 54 min
- Shortest day
- 11 h 21 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 | 29° | 32° | 37° | 40° | 41° | 39° | 35° | 33° | 36° | 37° | 34° | 30° |
| Average low | 14° | 17° | 21° | 24° | 26° | 27° | 25° | 24° | 24° | 23° | 19° | 16° |
| Precipitation | 0 mm | 0 mm | 0 mm | 1 mm | 6 mm | 24 mm | 91 mm | 117 mm | 39 mm | 4 mm | 0 mm | 0 mm |
| Wet days (≥1 mm) | 0 | 0 | 0 | 0.2 | 0.3 | 4.5 | 16.5 | 22 | 13.8 | 2.7 | 0 | 0 |
| Cloud cover | 12% | 13% | 19% | 19% | 18% | 20% | 39% | 45% | 32% | 19% | 17% | 15% |
| Daylight | 11h 25 | 11h 42 | 12h 03 | 12h 26 | 12h 44 | 12h 54 | 12h 50 | 12h 34 | 12h 13 | 11h 51 | 11h 31 | 11h 21 |
| Month score | 83 | 70 | 58 | 58 | 57 | 47 | 21 | 26 | 25 | 52 | 63 | 79 |
ivMonth by month
Diffa in every month
January83
29° / 14°
0 mm · 0 wet days
February70
32° / 17°
0 mm · 0 wet days
March58
37° / 21°
0 mm · 0 wet days
April58
40° / 24°
1 mm · 0.2 wet days
May57
41° / 26°
6 mm · 0.3 wet days
June47
39° / 27°
24 mm · 4.5 wet days
July21
35° / 25°
91 mm · 16.5 wet days
August26
33° / 24°
117 mm · 22 wet days
September25
36° / 24°
39 mm · 13.8 wet days
October52
37° / 23°
4 mm · 2.7 wet days
November63
34° / 19°
0 mm · 0 wet days
December79
30° / 16°
0 mm · 0 wet days