Satellite: Sentinel-2 cloudless 2016 by EOX IT Services GmbH · CC BY 4.0 · Contains modified Copernicus Sentinel data 2016
Climate guideThirty-year normals for Ruiru
Ruiru climate by month
Warm-summer Mediterranean · CsbBest Jan–Feb · Sep
Annual mean19°day and night
Seasonal swing4°warmest vs coolest
Precipitation905 mm177 wet days a year
1.15° S, 36.96° EElevation 1,531 mUTC+3 · East Africa Time
When to goRuiru · weather score
Best timeJan–Feb · Sep
October: high / low25° / 15°
iSummary
What the weather is like
Ruiru has a warm-summer Mediterranean climate (Köppen Csb): dry, sunny summers and mild, wetter winters.
The warmest month is February, when afternoons average 27° and nights 15°. July is the coolest month, with highs of 22° and lows of 13°. The difference between the warmest and the coolest month is about 4°, a small seasonal swing typical of places tempered by the sea.
About 905 mm of precipitation falls in an average year. November is the wettest month (146 mm, 25 wet days) and February the driest (36 mm, 8 wet days). Cloud cover ranges from 30% in February to 57% in July.
Compared with Nairobi, the capital, Ruiru is 0.3° warmer on a February afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 27° · February
- Coldest nights
- 13° · July
- Wettest month
- November
- Driest month
- February
- Clearest skies
- February · 30% cloud
- Longest day
- 12 h 11 min
- Shortest day
- 12 h 03 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° | 27° | 26° | 25° | 24° | 23° | 22° | 22° | 24° | 25° | 23° | 24° |
| Average low | 14° | 15° | 16° | 16° | 15° | 14° | 13° | 13° | 13° | 15° | 15° | 15° |
| Precipitation | 47 mm | 36 mm | 91 mm | 207 mm | 129 mm | 25 mm | 20 mm | 17 mm | 21 mm | 80 mm | 146 mm | 86 mm |
| Wet days (≥1 mm) | 9.8 | 8 | 14.6 | 24.1 | 19.1 | 11.7 | 9.1 | 11.6 | 9.7 | 18.2 | 24.8 | 16.6 |
| Cloud cover | 31% | 30% | 37% | 50% | 46% | 52% | 57% | 55% | 38% | 44% | 53% | 38% |
| Daylight | 12h 11 | 12h 09 | 12h 07 | 12h 05 | 12h 04 | 12h 03 | 12h 04 | 12h 05 | 12h 06 | 12h 08 | 12h 10 | 12h 11 |
| Month score | 76 | 74 | 58 | 59 | 60 | 63 | 67 | 62 | 74 | 61 | 57 | 64 |
ivMonth by month
Ruiru in every month
January76
25° / 14°
47 mm · 9.8 wet days
February74
27° / 15°
36 mm · 8 wet days
March58
26° / 16°
91 mm · 14.6 wet days
April59
25° / 16°
207 mm · 24.1 wet days
May60
24° / 15°
129 mm · 19.1 wet days
June63
23° / 14°
25 mm · 11.7 wet days
July67
22° / 13°
20 mm · 9.1 wet days
August62
22° / 13°
17 mm · 11.6 wet days
September74
24° / 13°
21 mm · 9.7 wet days
October61
25° / 15°
80 mm · 18.2 wet days
November57
23° / 15°
146 mm · 24.8 wet days
December64
24° / 15°
86 mm · 16.6 wet days