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Ruiru Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ruiru.
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Climate overview of Ruiru
With consistently stable weather, Ruiru, Kenya, sees little seasonal temperature change. Daytime highs average 26°C (79°F), ranging from 28°C (82°F) in February to 23°C (73°F) in July.
Ruiru sees a moderate amount of rainfall, totalling around 809 mm (32 in) per year. It experiences a distinct dry season from July to September, creating some seasonal variation. Sunshine peaks in January, when the city sees around 9.6 hours of sunshine per day.
Ruiru Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ruiru - and find the best time to visit.
Monthly Temperature in Ruiru
The climate in Ruiru remains fairly constant, offering comfortable temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in February, the warmest time of the year, to a comfortable 23°C (73°F) during cooler months like July.
At night, you can expect temperatures ranging from 17°C (63°F) in February to around 13°C (55°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ruiru
Generally, Ruiru experiences moderate precipitation patterns, averaging 809 mm (32 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, April it receives high rainfall, averaging 155 mm (6.1 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month September brings less rainfall, with 22 mm (0.9 in) over 5 rainy days. For more details, please visit our Ruiru Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ruiru
Seasonal changes in sunshine hours are quite dramatic in Ruiru. While January receives considerable daily sunshine with up to 9.6 hours, August marks the darkest time of the year, where sunshine is scarce with only 4.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Nairobi, Kenya (17 KM, 11 Miles).
Daily hours of sunshine
Data from: Nairobi, Kenya (17 KM, 11 Miles).
Humidity in Ruiru by Month
The relative humidity is high throughout the year in Ruiru.
The city experiences its highest humidity in May, reaching 78%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Nairobi, Kenya (17 KM, 11 Miles).
Wind Speed in Ruiru
The mean wind speed varies between 2 m/s (4 knots) and 5 m/s (10 knots) throughout the year. It is lowest in May, June, July and August and highest during January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Nairobi, Kenya (17 KM, 11 Miles).
Best Time to Visit Ruiru
Conditions in Ruiru are generally most comfortable in January, February, March, June, July, August, September, October and December. They are typically least comfortable in April, May and November.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
very good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
excellent
- Best overall: January, February, March, June, July, August, September, October and December
- Warmest weather: January, February and March
- Most sunshine: January
- Fewest rainy days: June, July, August and September
- Wettest months: March, April and May, when rainfall is highest.
- Seasonal pattern: A distinct dry season from July to September
Frequently asked questions about the climate in Ruiru
What is the best time to visit Ruiru?
January, February, March, June, July, August, September, October and December typically offer the most optimal weather in Ruiru. In contrast, April, May and November tend to have less optimal conditions. Ruiru has a distinct dry season from July to September.
What temperatures can I expect in Ruiru?
Daytime highs range from 23°C (73°F) in July to 28°C (82°F) in February. Nighttime lows range from 13°C (55°F) to 17°C (63°F). Temperatures stay relatively stable year-round.
How much rain does Ruiru get?
Annual rainfall is around 809 mm (32 in). April is the wettest month with 155 mm (6.1 in), while September is the driest with 22 mm (0.9 in).
How sunny is Ruiru?
Ruiru receives around 2,466 hours of sunshine per year. January is the sunniest month with 288 hours, while August is the cloudiest with just 127 hours. Overall, Ruiru enjoys abundant sunshine.
Ruiru 3-Day Forecast
Ruiru on the map
Ruiru is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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