Climate averages 1991–2020

Sanaa weather
in December.

A mild, very dry month: the coolest and the driest of the year. Meets the pleasant-weather rule

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

Average high 21.7°C Daytime mean, December
Average low 8.8°C Night-time mean, December
Rainfall 2.6 mm fewer than one day with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Sanaa · average highYear overview

December is a mild month in Sanaa: daytime highs average 21.7°C and nights cool to about 8.8°C. By daytime temperature it is the coolest month of the year.

Expect about 2.6 mm of rain on fewer than one day, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 14 min on an average December day.

The nearest other city in this atlas is ‘Amrān (44 km away). In December its highs average 20.1°C, 1.6°C cooler than Sanaa, with 2.8 mm of rain.

Among the 8 cities listed in Yemen, Sanaa ranks 6th of 8 for the warmest December highs and 2nd of 8 for the driest December (rainfall, lowest first). The mean December high of those 8 cities is 24.6°C; Sanaa is 2.8°C cooler than that mean.

From December to January, average highs rise by 0.2°C to 21.9°C, and monthly rainfall rises from 2.6 mm to 6.5 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 5101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

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
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 21.9°C9.4°C9.4°C6.51.611.311 h
February 23.5°C10.5°C10.5°C6.31.611.612 h
March 24.4°C12.0°C12.0°C215.412.012 h
April 25.2°C13.8°C13.8°C448.212.512 h
May 27.3°C15.4°C15.4°C418.112.813 h
June 28.9°C16.3°C16.3°C174.913.013 h
July 27.6°C16.1°C16.1°C5813.212.913 h
August 26.9°C15.8°C15.8°C11222.112.613 h
September 27.2°C14.7°C14.7°C226.112.212 h
October 24.2°C11.1°C11.1°C101.011.812 h
November 22.4°C9.3°C9.3°C4.21.011.411 h
December, selected 21.7°C8.8°C8.8°C2.60.811.211 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

December 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.