Climate averages 1991–2020

Kilosa weather
in December.

A hot, wet month: the 3rd warmest and the 8th driest of the year.

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

Average high 31.0°C Daytime mean, December
Average low 21.5°C Night-time mean, December
Rainfall 101 mm 13 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Kilosa · average highYear overview

December is a hot month in Kilosa: daytime highs average 31.0°C and nights cool to about 21.5°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 101 mm of rain on roughly 13 days, which makes December a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average December day.

The nearest other city in this atlas is Morogoro (75 km away). In December its highs average 30.1°C, 0.9°C cooler than Kilosa, with 102 mm of rain.

Among the 43 cities listed in Tanzania, Kilosa ranks 4th of 43 for the warmest December highs and 9th of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Kilosa is 3.9°C warmer than that mean.

From December to January, average highs rise by 0.1°C to 31.1°C, and monthly rainfall rises from 101 mm to 145 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. 101520253035 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

Kilosa climate table

1991–2020
Monthly climate averages for Kilosa, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 31.1°C21.6°C21.6°C14515.212.512 h
February 31.1°C21.6°C21.6°C14414.112.312 h
March 29.5°C21.6°C21.6°C15321.612.112 h
April 27.2°C20.9°C20.9°C11622.512.012 h
May 26.7°C19.3°C19.3°C5212.211.812 h
June 26.5°C17.3°C17.3°C123.711.712 h
July 26.2°C16.5°C16.5°C8.42.411.812 h
August 26.9°C17.3°C17.3°C133.911.912 h
September 28.8°C18.3°C18.3°C123.712.112 h
October 30.0°C19.7°C19.7°C357.612.312 h
November 30.5°C20.9°C20.9°C5211.112.412 h
December, selected 31.0°C21.5°C21.5°C10113.412.513 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 Kilosa

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