Climate averages 1991–2020

Pietermaritzburg weather
in January.

A warm, wet month: the 2nd warmest and the wettest of the year.

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

Average high 26.4°C Daytime mean, January
Average low 17.3°C Night-time mean, January
Rainfall 134 mm 18 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Pietermaritzburg · average highYear overview

January is a warm month in Pietermaritzburg: daytime highs average 26.4°C and nights cool to about 17.3°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 134 mm of rain on roughly 18 days, which makes January a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 48 min on an average January day.

The nearest other city in this atlas is Mpumalanga (32 km away). In January its highs average 25.5°C, 0.9°C cooler than Pietermaritzburg, with 101 mm of rain.

Among the 95 cities listed in South Africa, Pietermaritzburg ranks joint 51st of 95 for the warmest January highs and 82nd of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Pietermaritzburg is 0.6°C cooler than that mean.

From January to February, average highs rise by 0.3°C to 26.6°C, and monthly rainfall falls from 134 mm to 113 mm.

The annual picture

January 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. 051015202530 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

Pietermaritzburg climate table

1991–2020
Monthly climate averages for Pietermaritzburg, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 26.4°C17.3°C17.3°C13418.013.814 h
February 26.6°C17.6°C17.6°C11315.013.113 h
March 25.9°C16.4°C16.4°C9614.312.312 h
April 23.9°C13.6°C13.6°C589.711.411 h
May 22.6°C10.1°C10.1°C295.110.711 h
June 20.7°C6.9°C6.9°C203.410.310 h
July 20.7°C6.5°C6.5°C283.810.410 h
August 22.5°C8.7°C8.7°C325.911.111 h
September 24.0°C11.2°C11.2°C569.511.912 h
October 23.9°C13.0°C13.0°C9215.412.813 h
November 24.7°C14.5°C14.5°C11617.213.614 h
December 25.8°C16.2°C16.2°C12919.214.014 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

January in nearby cities

Distance from Pietermaritzburg

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