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Al Ḩazm, Yemen climate

BWh Hot desert

Al Ḩazm has a mildly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is July with an average daily high near 39°C, while the coldest is December averaging around 13°C at night. Precipitation totals about 34 mm a year and is strongly seasonal — August alone averages 9 mm while December barely receives 0 mm.

☀️ Summers

Very hot

Highs near 39°C in July.

About 222 days a year above 32 °C

❄️ Winters

Mild

Lows near 13°C in December.

🌧️ Rain

Very dry

About 34 mm of rain a year.

Wettest in August

⛅ Sky & trend

Sunny

Clear skies most days.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Al Ḩazm climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	27	30	33	35	37	39	39	39	37	32	29	27
Avg temp (°C)	20	22	25	27	30	31	32	32	29	25	22	20
Avg low (°C)	13	15	18	20	22	24	25	25	22	17	15	13
Precipitation (mm)	1	2	3	6	3	2	5	9	0	2	0	0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	27	30	33	35	37	39
Avg temp (°C)	20	22	25	27	30	31
Avg low (°C)	13	15	18	20	22	24
Precipitation (mm)	1	2	3	6	3	2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	39	39	37	32	29	27
Avg temp (°C)	32	32	29	25	22	20
Avg low (°C)	25	25	22	17	15	13
Precipitation (mm)	5	9	0	2	0	0

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with high ≥ 32°C (days)	2	8	20	27	30	30	31	31	30	13	0.7	0.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with high ≥ 32°C (days)	2	8	20	27	30	30

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with high ≥ 32°C (days)	31	31	30	13	0.7	0.2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	21	21	29	36	34	34	54	50	30	23	21	18
Relative humidity (%)	34	31	30	28	23	19	26	29	21	23	30	34
Wind speed (m/s)	2.0	2.1	2.2	2.3	2.4	2.8	4.0	3.5	2.6	2.3	2.0	1.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	21	21	29	36	34	34
Relative humidity (%)	34	31	30	28	23	19
Wind speed (m/s)	2.0	2.1	2.2	2.3	2.4	2.8

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	54	50	30	23	21	18
Relative humidity (%)	26	29	21	23	30	34
Wind speed (m/s)	4.0	3.5	2.6	2.3	2.0	1.8

Methodology & sources

Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →