Climate averages 1991–2020

Mossel Bay weather
in January.

A warm, fairly dry month: the 2nd warmest and the joint 5th driest of the year. Meets the pleasant-weather rule

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

Average high 24.4°C Daytime mean, January

Average low 17.9°C Night-time mean, January

Rainfall 38 mm 8 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

January is a warm month in Mossel Bay: daytime highs average 24.4°C and nights cool to about 17.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 38 mm of rain on roughly 8 days, which makes January a fairly dry month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 09 min on an average January day.

The nearest other city in this atlas is George (38 km away). In January its highs average 23.4°C, 1.0°C cooler than Mossel Bay, with 51 mm of rain.

Among the 95 cities listed in South Africa, Mossel Bay ranks 89th of 95 for the warmest January highs and 10th of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Mossel Bay is 2.6°C cooler than that mean.

From January to February, average highs rise by 0.3°C to 24.6°C, and monthly rainfall falls from 38 mm to 30 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Mossel Bay climate table

1991–2020

Monthly climate averages for Mossel Bay, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	24.4°C17.9°C	17.9°C	38	7.5	14.114 h
February	24.6°C18.2°C	18.2°C	30	6.8	13.313 h
March	23.7°C17.1°C	17.1°C	41	7.4	12.312 h
April	22.1°C14.8°C	14.8°C	43	6.7	11.311 h
May	20.8°C12.8°C	12.8°C	40	6.2	10.410 h
June	19.0°C10.3°C	10.3°C	37	6.9	9.910 h
July	18.4°C9.5°C	9.5°C	38	7.2	10.110 h
August	18.5°C9.9°C	9.9°C	47	7.6	10.911 h
September	19.3°C11.2°C	11.2°C	33	6.5	11.912 h
October	20.5°C13.2°C	13.2°C	43	7.4	12.913 h
November	21.5°C14.7°C	14.7°C	52	7.7	13.914 h
December	23.4°C16.8°C	16.8°C	35	6.8	14.414 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 Mossel Bay

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