Climate averages 1991–2020

Wau weather
in January.

A very hot, very dry month: the 4th warmest and the driest of the year.

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

Average high 35.7°C Daytime mean, January

Average low 22.4°C Night-time mean, January

Rainfall <1 mm Almost no rain

Daylight 12 h Sunrise to sunset, per day

January is a very hot month in Wau: daytime highs average 35.7°C and nights cool to about 22.4°C. By daytime temperature it is the 4th warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical January (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 44 min on an average January day.

The nearest other city in this atlas is Kuacjok (67 km away). In January its highs average 35.8°C, about as warm as Wau, with almost no rain (under 1 mm).

Among the 6 cities listed in South Sudan, Wau ranks 3rd of 6 for the warmest January highs and 4th of 6 for the driest January (rainfall, lowest first). The mean January high of those 6 cities is 35.3°C; Wau is 0.4°C warmer than that mean.

From January to February, average highs rise by 1.8°C to 37.5°C, and monthly rainfall rises from under 1 mm to 2.9 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

Wau climate table

1991–2020

Monthly climate averages for Wau, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	35.7°C22.4°C	22.4°C	0.4	0.2	11.712 h
February	37.5°C23.7°C	23.7°C	2.9	0.6	11.912 h
March	38.2°C25.3°C	25.3°C	20	4.1	12.112 h
April	36.7°C25.9°C	25.9°C	58	12.6	12.312 h
May	33.9°C24.7°C	24.7°C	118	19.3	12.512 h
June	31.9°C23.3°C	23.3°C	127	20.3	12.613 h
July	30.3°C22.4°C	22.4°C	166	23.2	12.513 h
August	29.9°C22.1°C	22.1°C	192	24.7	12.412 h
September	30.7°C22.2°C	22.2°C	155	23.3	12.212 h
October	31.7°C22.5°C	22.5°C	124	20.1	12.012 h
November	33.9°C22.6°C	22.6°C	17	3.9	11.812 h
December	35.3°C22.6°C	22.6°C	0.6	0.2	11.712 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 Wau

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