Climate guideThirty-year normals for Riyadh

Riyadh climate by month

Hot desert · BWhBest Jan–Feb · Dec

Annual mean25°day and night

Seasonal swing22°warmest vs coolest

Precipitation104 mm6 wet days a year

24.69° N, 46.72° EElevation 612 mUTC+3 · Arabian Standard Time

When to goRiyadh · weather score

Best timeJan–Feb · Dec

October: high / low34° / 19°

iSummary

What the weather is like

Riyadh has a hot desert climate (Köppen BWh): very little rain and intense sun.

The warmest month is July, when afternoons average 42° and nights 27°. January is the coolest month, with highs of 19° and lows of 7°. The difference between the warmest and the coolest month is about 22°, a large swing typical of continental interiors.

About 104 mm of precipitation falls in an average year. November is the wettest month (10 mm, 1 wet days) and June the driest (0 mm, 0 wet days). Cloud cover ranges from 2% in September to 20% in April.

Year in figures

Hottest afternoons: 42° · July
Coldest nights: 7° · January
Wettest month: November
Driest month: June
Clearest skies: September · 2% cloud
Longest day: 13 h 39 min
Shortest day: 10 h 37 min

iiCharts

Twelve months at a glance

Temperature and precipitation

Daily high/low range bars, monthly precipitation columns

Temperature curve

Average high, low

Daylight

Hours between sunrise and sunset on the 15th of each month

iiiData table

Climate normals month by month

Climate normals for Riyadh by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	19°	22°	27°	33°	39°	41°	42°	42°	39°	34°	26°	21°
Average low	7°	9°	13°	19°	24°	26°	27°	27°	24°	19°	13°	9°
Precipitation	13 mm	9 mm	30 mm	21 mm	5 mm	0 mm	0 mm	0 mm	0 mm	2 mm	10 mm	14 mm
Wet days (≥1 mm)	0.8	0.7	0.7	1.2	0.2	0	0	0	0	0.1	1.4	0.7
Cloud cover	18%	13%	17%	20%	13%	3%	7%	7%	2%	5%	12%	17%
Daylight	10h 46	11h 20	11h 59	12h 43	13h 20	13h 39	13h 32	13h 01	12h 19	11h 36	10h 57	10h 37
Month score	98	98	91	65	58	58	58	58	58	64	91	98