Climate averages 1991–2020

Sanaa weather
in January.

A mild, very dry month: the 11th warmest and the 4th driest of the year. Meets the pleasant-weather rule

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

Average high 21.9°C Daytime mean, January

Average low 9.4°C Night-time mean, January

Rainfall 6.5 mm 2 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a mild month in Sanaa: daytime highs average 21.9°C and nights cool to about 9.4°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 6.5 mm of rain on roughly 2 days, which makes January a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 19 min on an average January day.

The nearest other city in this atlas is ‘Amrān (44 km away). In January its highs average 19.9°C, 2.0°C cooler than Sanaa, with 9.3 mm of rain.

Among the 8 cities listed in Yemen, Sanaa ranks 6th of 8 for the warmest January highs and 2nd of 8 for the driest January (rainfall, lowest first). The mean January high of those 8 cities is 24.2°C; Sanaa is 2.3°C cooler than that mean.

From January to February, average highs rise by 1.6°C to 23.5°C, and monthly rainfall falls from 6.5 mm to 6.3 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

Sanaa climate table

1991–2020

Monthly climate averages for Sanaa, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	21.9°C9.4°C	9.4°C	6.5	1.6	11.311 h
February	23.5°C10.5°C	10.5°C	6.3	1.6	11.612 h
March	24.4°C12.0°C	12.0°C	21	5.4	12.012 h
April	25.2°C13.8°C	13.8°C	44	8.2	12.512 h
May	27.3°C15.4°C	15.4°C	41	8.1	12.813 h
June	28.9°C16.3°C	16.3°C	17	4.9	13.013 h
July	27.6°C16.1°C	16.1°C	58	13.2	12.913 h
August	26.9°C15.8°C	15.8°C	112	22.1	12.613 h
September	27.2°C14.7°C	14.7°C	22	6.1	12.212 h
October	24.2°C11.1°C	11.1°C	10	1.0	11.812 h
November	22.4°C9.3°C	9.3°C	4.2	1.0	11.411 h
December	21.7°C8.8°C	8.8°C	2.6	0.8	11.211 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 Sanaa

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