Climate averages 1991–2020

Arusha weather
in July.

A mild, very dry month: the coolest and the 2nd driest of the year. Meets the pleasant-weather rule

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

Average high 21.5°C Daytime mean, July
Average low 11.9°C Night-time mean, July
Rainfall 3.9 mm 1 day with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Arusha · average highYear overview

July is a mild month in Arusha: daytime highs average 21.5°C and nights cool to about 11.9°C. By daytime temperature it is the coolest month of the year.

Expect about 3.9 mm of rain on roughly 1 day, which makes July a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average July day.

The nearest other city in this atlas is Kondoa (198 km away). In July its highs average 24.9°C, 3.4°C warmer than Arusha, with almost no rain (under 1 mm).

Among the 43 cities listed in Tanzania, Arusha ranks 38th of 43 for the warmest July highs and 23rd of 43 for the driest July (rainfall, lowest first). The mean July high of those 43 cities is 25.8°C; Arusha is 4.3°C cooler than that mean.

From July to August, average highs rise by 1.3°C to 22.8°C, and monthly rainfall falls from 3.9 mm to 3.6 mm.

The annual picture

July 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. 5101520253035 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 1500

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

Every month, side by side

Arusha climate table

1991–2020
Monthly climate averages for Arusha, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.7°C16.1°C16.1°C8210.612.312 h
February 28.4°C16.5°C16.5°C739.012.212 h
March 27.2°C16.8°C16.8°C14316.712.112 h
April 24.3°C16.7°C16.7°C14521.712.012 h
May 22.6°C15.2°C15.2°C5011.912.012 h
June 21.7°C13.0°C13.0°C6.62.311.912 h
July, selected 21.5°C11.9°C11.9°C3.91.111.912 h
August 22.8°C12.7°C12.7°C3.61.112.012 h
September 25.0°C13.7°C13.7°C4.11.112.112 h
October 26.2°C15.2°C15.2°C307.312.212 h
November 26.0°C16.2°C16.2°C10317.712.312 h
December 26.4°C16.1°C16.1°C10816.712.312 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

July in nearby cities

Distance from Arusha

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