Climate averages 1991–2020

Nyala weather
in December.

A hot, very dry month: the 10th warmest and one of the driest of the year.

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

Average high 30.6°C Daytime mean, December

Average low 16.9°C Night-time mean, December

Rainfall <1 mm Almost no rain

Daylight 11 h Sunrise to sunset, per day

December is a hot month in Nyala: daytime highs average 30.6°C and nights cool to about 16.9°C. By daytime temperature it is the 10th warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical December (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 11 h 26 min on an average December day.

The nearest other city in this atlas is Gereida (91 km away). In December its highs average 32.4°C, 1.8°C warmer than Nyala, with almost no rain (under 1 mm).

Among the 22 cities listed in Sudan, Nyala ranks 15th of 22 for the warmest December highs and joint 1st of 22 for the driest December (rainfall, lowest first). The mean December high of those 22 cities is 31.9°C; Nyala is 1.2°C cooler than that mean.

From December to January, average highs fall by 0.5°C to 30.1°C, and monthly rainfall stays under 1 mm.

The annual picture

December 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

Nyala climate table

1991–2020

Monthly climate averages for Nyala, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	30.1°C16.0°C	16.0°C	0	0.0	11.512 h
February	32.8°C18.2°C	18.2°C	0	0.0	11.712 h
March	35.8°C21.2°C	21.2°C	0.5	0.2	12.112 h
April	37.9°C23.5°C	23.5°C	1.8	0.4	12.412 h
May	37.6°C24.5°C	24.5°C	19	4.6	12.713 h
June	35.4°C24.1°C	24.1°C	44	11.2	12.813 h
July	31.3°C22.4°C	22.4°C	100	18.7	12.813 h
August	30.1°C21.7°C	21.7°C	109	18.7	12.513 h
September	31.8°C22.0°C	22.0°C	72	13.6	12.212 h
October	34.7°C22.3°C	22.3°C	20	4.5	11.912 h
November	33.5°C20.5°C	20.5°C	0.2	0.0	11.612 h
December, selected	30.6°C16.9°C	16.9°C	0	0.0	11.411 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

December in nearby cities

Distance from Nyala

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