Climate guideThirty-year normals for Yao, Chad
Yao climate by month
Hot desert · BWhBest Jan–Feb · Dec
Annual mean30°day and night
Seasonal swing10°warmest vs coolest
Precipitation397 mm86 wet days a year
12.85° N, 17.56° EElevation 293 mUTC+1 · West Africa Time
When to goYao · weather score
Best timeJan–Feb · Dec
October: high / low37° / 24°
iSummary
What the weather is like
Yao has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is April, when afternoons average 42° and nights 26°. August is the coolest month, with highs of 32° and lows of 24°. The difference between the warmest and the coolest month is about 10°, a small seasonal swing typical of places tempered by the sea.
About 397 mm of precipitation falls in an average year. August is the wettest month (147 mm, 27 wet days) and January the driest (0 mm, 0 wet days). Cloud cover ranges from 14% in January to 51% in August.
Compared with N'Djamena, the capital, Yao is 0.2° warmer on a April afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 42° · April
- Coldest nights
- 17° · January
- Wettest month
- August
- Driest month
- January
- Clearest skies
- January · 14% cloud
- Longest day
- 12 h 53 min
- Shortest day
- 11 h 22 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 | 32° | 35° | 39° | 42° | 41° | 39° | 34° | 32° | 34° | 37° | 36° | 33° |
| Average low | 17° | 19° | 23° | 26° | 28° | 27° | 25° | 24° | 24° | 24° | 21° | 18° |
| Precipitation | 0 mm | 0 mm | 0 mm | 4 mm | 14 mm | 31 mm | 120 mm | 147 mm | 73 mm | 8 mm | 0 mm | 0 mm |
| Wet days (≥1 mm) | 0 | 0 | 0.3 | 0 | 2.8 | 10.2 | 23.3 | 27.3 | 18 | 4.2 | 0 | 0 |
| Cloud cover | 14% | 15% | 19% | 19% | 21% | 28% | 47% | 51% | 41% | 21% | 17% | 14% |
| Daylight | 11h 27 | 11h 43 | 12h 03 | 12h 25 | 12h 43 | 12h 53 | 12h 49 | 12h 33 | 12h 13 | 11h 51 | 11h 32 | 11h 22 |
| Month score | 69 | 58 | 57 | 58 | 51 | 34 | 23 | 31 | 25 | 48 | 58 | 65 |
ivMonth by month
Yao in every month
January69
32° / 17°
0 mm · 0 wet days
February58
35° / 19°
0 mm · 0 wet days
March57
39° / 23°
0 mm · 0.3 wet days
April58
42° / 26°
4 mm · 0 wet days
May51
41° / 28°
14 mm · 2.8 wet days
June34
39° / 27°
31 mm · 10.2 wet days
July23
34° / 25°
120 mm · 23.3 wet days
August31
32° / 24°
147 mm · 27.3 wet days
September25
34° / 24°
73 mm · 18 wet days
October48
37° / 24°
8 mm · 4.2 wet days
November58
36° / 21°
0 mm · 0 wet days
December65
33° / 18°
0 mm · 0 wet days