Climate averages 1991–2020

Thika weather
in May.

A warm, wet month: the 8th warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 23.4°C Daytime mean, May
Average low 15.1°C Night-time mean, May
Rainfall 136 mm 21 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Thika · average highYear overview

May is a warm month in Thika: daytime highs average 23.4°C and nights cool to about 15.1°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 136 mm of rain on roughly 21 days, which makes May a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average May day.

The nearest other city in this atlas is Ruiru (17 km away). In May its highs average 23.2°C, about as warm as Thika, with 74 mm of rain.

Among the 37 cities listed in Kenya, Thika ranks joint 22nd of 37 for the warmest May highs and 20th of 37 for the driest May (rainfall, lowest first). The mean May high of those 37 cities is 25.2°C; Thika is 1.9°C cooler than that mean.

From May to June, average highs fall by 1.0°C to 22.4°C, and monthly rainfall falls from 136 mm to 53 mm.

The annual picture

May in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Thika climate table

1991–2020
Monthly climate averages for Thika, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.1°C14.2°C14.2°C418.312.212 h
February 26.7°C14.6°C14.6°C315.812.112 h
March 26.4°C15.5°C15.5°C7514.112.112 h
April 24.4°C15.9°C15.9°C17925.012.112 h
May, selected 23.4°C15.1°C15.1°C13620.612.112 h
June 22.4°C13.9°C13.9°C5310.912.112 h
July 21.8°C12.9°C12.9°C267.012.112 h
August 22.5°C13.2°C13.2°C328.912.112 h
September 24.7°C13.7°C13.7°C236.212.112 h
October 25.0°C14.9°C14.9°C8514.412.112 h
November 23.0°C15.0°C15.0°C16123.812.212 h
December 23.5°C14.4°C14.4°C7215.512.212 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

May in nearby cities

Distance from Thika

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Thika) is explained once on the Thika year overview and on the Sources, method and limits page.