Climate averages 1991–2020

Wa weather
in January.

A very hot, very dry month: the 4th warmest and the 2nd driest of the year.

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

Average high 34.5°C Daytime mean, January

Average low 19.8°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 Wa: daytime highs average 34.5°C and nights cool to about 19.8°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 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average January day.

The nearest other city in this atlas is Jirapa (57 km away). In January its highs average 34.7°C, about as warm as Wa, with almost no rain (under 1 mm).

Among the 26 cities listed in Ghana, Wa ranks joint 4th of 26 for the warmest January highs and 4th of 26 for the driest January (rainfall, lowest first). The mean January high of those 26 cities is 32.5°C; Wa is 2.0°C warmer than that mean.

From January to February, average highs rise by 2.1°C to 36.7°C, and monthly rainfall rises from under 1 mm to 6.0 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

Wa climate table

1991–2020

Monthly climate averages for Wa, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	34.5°C19.8°C	19.8°C	0.9	0.3	11.612 h
February	36.7°C22.1°C	22.1°C	6.0	1.1	11.812 h
March	37.7°C24.6°C	24.6°C	26	5.2	12.112 h
April	36.4°C25.3°C	25.3°C	68	11.5	12.312 h
May	34.1°C24.5°C	24.5°C	100	15.2	12.613 h
June	31.7°C23.3°C	23.3°C	101	16.4	12.713 h
July	29.2°C22.3°C	22.3°C	160	21.8	12.613 h
August	28.2°C21.9°C	21.9°C	224	25.6	12.512 h
September	28.9°C21.9°C	21.9°C	190	23.5	12.212 h
October	30.8°C22.4°C	22.4°C	88	14.3	11.912 h
November	33.7°C21.4°C	21.4°C	10	1.9	11.712 h
December	34.3°C20.0°C	20.0°C	0.4	0.2	11.512 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 Wa

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