Photo: AbdoulMadjid10 @ Mapillary · CC BY-SA 4.0 · Wikimedia Commons
OurnoReport this photo · linked, not stored
OurnoReport this photo · linked, not stored
Climate guideThirty-year normals for Ourno
Ourno climate by month
Hot desert · BWhBest Jan–Feb · Dec
Annual mean28°day and night
Seasonal swing11°warmest vs coolest
Precipitation366 mm61 wet days a year
14.30° N, 6.45° EElevation 411 mUTC+1 · West Africa Time
When to goOurno · weather score
Best timeJan–Feb · Dec
October: high / low36° / 22°
iSummary
What the weather is like
Ourno has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is May, when afternoons average 40° and nights 25°. January is the coolest month, with highs of 29° and lows of 13°. The difference between the warmest and the coolest month is about 11°.
About 366 mm of precipitation falls in an average year. August is the wettest month (141 mm, 22 wet days) and January the driest (0 mm, 0 wet days). Cloud cover ranges from 12% in January to 37% in August.
Compared with Niamey, the capital, Ourno is 0.8° cooler on a May afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 40° · May
- Coldest nights
- 13° · January
- Wettest month
- August
- Driest month
- January
- Clearest skies
- January · 12% cloud
- Longest day
- 12 h 58 min
- Shortest day
- 11 h 17 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° | 36° | 39° | 40° | 38° | 35° | 32° | 35° | 36° | 33° | 30° |
| Average low | 13° | 15° | 19° | 22° | 25° | 26° | 24° | 23° | 24° | 22° | 18° | 14° |
| Precipitation | 0 mm | 0 mm | 0 mm | 1 mm | 13 mm | 34 mm | 104 mm | 141 mm | 68 mm | 5 mm | 0 mm | 0 mm |
| Wet days (≥1 mm) | 0 | 0 | 0.2 | 0.5 | 2.2 | 3.7 | 18.2 | 21.5 | 13.3 | 1.7 | 0 | 0 |
| Cloud cover | 12% | 13% | 19% | 21% | 19% | 17% | 30% | 37% | 27% | 17% | 16% | 15% |
| Daylight | 11h 22 | 11h 41 | 12h 02 | 12h 27 | 12h 47 | 12h 58 | 12h 54 | 12h 36 | 12h 13 | 11h 50 | 11h 28 | 11h 17 |
| Month score | 84 | 71 | 58 | 57 | 53 | 49 | 27 | 33 | 27 | 54 | 65 | 80 |
ivMonth by month
Ourno in every month
January84
29° / 13°
0 mm · 0 wet days
February71
32° / 15°
0 mm · 0 wet days
March58
36° / 19°
0 mm · 0.2 wet days
April57
39° / 22°
1 mm · 0.5 wet day
May53
40° / 25°
13 mm · 2.2 wet days
June49
38° / 26°
34 mm · 3.7 wet days
July27
35° / 24°
104 mm · 18.2 wet days
August33
32° / 23°
141 mm · 21.5 wet days
September27
35° / 24°
68 mm · 13.3 wet days
October54
36° / 22°
5 mm · 1.7 wet days
November65
33° / 18°
0 mm · 0 wet days
December80
30° / 14°
0 mm · 0 wet days