Juba weather in January

Name: Juba
Address: SS

In January, Juba has daytime highs averaging 36 °C, nights around 24 °C, with 0.8 wet days. Figures are 1991–2020 climate normals.

36.0°C Average high
23.7°C Average low
0.8days Wet days
3mm Rainfall
12h Daylight

Daily temperatures through January

Daily highDaily low Day of month on the horizontal axis. Highs peak at 36.9 °C and lows bottom out at 23.2 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days	Avg high	Avg low	Chance of rain
1–10 January	35.6 °C	23.4 °C	3 %
11–20 January	35.9 °C	23.6 °C	2 %
21–31 January	36.5 °C	24.1 °C	3 %

Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 23, at 10 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure	Typical January	Share of the month
Days above 25 °C	31 of 31	100 %
Days above 30 °C	31 of 31	99 %
Days below 0 °C	0 of 31	0 %
Days with more than 1 mm rain	0.8 of 31	3 %

Conditions in January

Measure	Average
Mean temperature	30 °C
Record high (1991–2020)	41 °C
Record low (1991–2020)	18 °C
Relative humidity	33 %
Wind speed	12 km/h
Cloud cover	46 %

Where Juba ranks in January

Ranking	Position	Value
The warmest places in Africa in January	1stof 50	36 °C
The warmest places in the world in January	1stof 50	36 °C

January compared with the months around it

Month	Avg high	Rainfall	Cloud
January	36.0 °C	3 mm	46 %
February	37.5 °C	6 mm	50 %
March	36.7 °C	29 mm	61 %
November	32.0 °C	71 mm	61 %
December	34.4 °C	9 mm	46 %

See all twelve months for Juba

January is the 3rd warmest month here.
It is the 1st driest month of the year.
It ranks 1st for least cloud cover.
Days last about 12 hours from sunrise to sunset.
It rains on 0.8 of 31 days — 3 % of the month.
Nights are about 12 °C cooler than the middle of the day.
The hottest January day on record since 1991 reached 41 °C, 5.0 °C above the usual daytime high.

Nearby destinations in January

Destination	Avg high	Wet days
Juba	36 °C	0.8
Yei	33 °C	2
Gulu	32 °C	3
Bunia	27 °C	7
Isiro	31 °C	6

QuestionsJanuary in Juba, answered

How warm is Juba in January?

Daily highs average 36 °C and nights fall to about 24 °C, a spread of 12 °C between afternoon and dawn. That makes January the 3rd warmest month of the year here.

Does it rain much in Juba in January?

January averages 3 mm of rain, spread over about 1 of the 31 days — 3 % of the month. Cloud cover averages 46 % of the sky.

How long are the days in January?

Juba averages 12 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.