Climate averages 1991–2020

Mwala weather
in December.

A warm, moderately wet month: the joint 7th warmest and the 10th driest of the year.

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

Average high 24.7°C Daytime mean, December
Average low 16.7°C Night-time mean, December
Rainfall 80 mm 18 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Mwala · average highYear overview

December is a warm month in Mwala: daytime highs average 24.7°C and nights cool to about 16.7°C. By daytime temperature it is the joint 7th warmest of the 12 months.

Expect about 80 mm of rain on roughly 18 days, which makes December a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average December day.

The nearest other city in this atlas is Thika (56 km away). In December its highs average 23.5°C, 1.2°C cooler than Mwala, with 72 mm of rain.

Among the 37 cities listed in Kenya, Mwala ranks 18th of 37 for the warmest December highs and 29th of 37 for the driest December (rainfall, lowest first). The mean December high of those 37 cities is 26.0°C; Mwala is 1.3°C cooler than that mean.

From December to January, average highs rise by 1.4°C to 26.1°C, and monthly rainfall falls from 80 mm to 40 mm.

The annual picture

December 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

Mwala climate table

1991–2020
Monthly climate averages for Mwala, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.1°C16.4°C16.4°C409.312.212 h
February 27.7°C16.9°C16.9°C256.512.212 h
March 27.3°C17.7°C17.7°C7014.312.112 h
April 25.6°C17.8°C17.8°C10920.512.112 h
May 24.7°C16.6°C16.6°C4010.512.112 h
June 24.0°C15.1°C15.1°C5.51.512.012 h
July 23.5°C14.2°C14.2°C1.80.412.012 h
August 24.0°C14.5°C14.5°C2.60.812.112 h
September 26.0°C15.2°C15.2°C2.60.712.112 h
October 26.7°C16.5°C16.5°C338.012.112 h
November 24.6°C17.1°C17.1°C15522.212.212 h
December, selected 24.7°C16.7°C16.7°C8017.612.212 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

December in nearby cities

Distance from Mwala

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 Mwala) is explained once on the Mwala year overview and on the Sources, method and limits page.