Ha'il climate

Name: Ha'il
Address: SA

Ha'il is warmest in August, with average highs of 39 °C, and coldest in January, when nights average 4.2 °C. November is the wettest month (21 mm) and July the driest (0.01 mm). Figures are 1991–2020 climate normals.

Across a full year Ha'il averages 77 mm of rain, 236 days above 25 °C and 7 days below freezing.

Saudi Arabia · population 605,930 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 39 °C
Coldest month January 4.2 °C
Driest month July 0 mm
Wettest month November 21 mm
Least cloud June 7 % cloud
Hottest on record July 44 °C
Coldest on record January -9.0 °C

What to expectHa'il through the year

Ha'il has a clear annual cycle: average daily highs run from 17 °C in January to 39 °C in August, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 236 days a year reach 25 °C, 189 of them reach 30 °C, 7 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in July.

Rain is spread fairly evenly through the year, from 0 mm in July to 21 mm in November. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	16.7 °C	9 mm	28 %
February	19.3 °C	8 mm	25 %
March	23.5 °C	12 mm	25 %
April	29.2 °C	10 mm	27 %
May	34.2 °C	4 mm	26 %
June	37.7 °C	under 1 mm	7 %
July	38.7 °C	under 1 mm	10 %
August	39.4 °C	under 1 mm	14 %
September	37.1 °C	under 1 mm	13 %
October	31.7 °C	3 mm	20 %
November	22.9 °C	21 mm	29 %
December	18.3 °C	10 mm	30 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	16.7 °C	4.2 °C	10.5 °C	29.0 °C	-9.0 °C	1	0	4
February	19.3 °C	5.9 °C	12.8 °C	30.4 °C	-3.8 °C	3	0	2
March	23.5 °C	9.6 °C	16.9 °C	35.6 °C	-2.6 °C	12	3	0
April	29.2 °C	14.7 °C	22.4 °C	38.2 °C	3.5 °C	26	13	0
May	34.2 °C	19.7 °C	27.6 °C	41.5 °C	10.1 °C	31	28	0
June	37.7 °C	23.0 °C	31.1 °C	42.8 °C	16.5 °C	30	30	0
July	38.7 °C	24.5 °C	32.4 °C	43.8 °C	18.5 °C	31	31	0
August	39.4 °C	25.4 °C	33.2 °C	43.5 °C	17.2 °C	31	31	0
September	37.1 °C	22.7 °C	30.5 °C	41.7 °C	14.8 °C	30	30	0
October	31.7 °C	17.7 °C	25.1 °C	37.7 °C	8.7 °C	30	23	0
November	22.9 °C	10.6 °C	16.8 °C	31.3 °C	-1.3 °C	11	1	0
December	18.3 °C	6.1 °C	12.1 °C	27.2 °C	-3.8 °C	1	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	9 mm	2	11 h/day	28 %	52 %	20 km/h
February	8 mm	1	11 h/day	25 %	41 %	22 km/h
March	12 mm	2	12 h/day	25 %	33 %	23 km/h
April	10 mm	3	13 h/day	27 %	27 %	24 km/h
May	4 mm	1	14 h/day	26 %	18 %	23 km/h
June	under 1 mm	0	14 h/day	7 %	14 %	22 km/h
July	under 1 mm	0	14 h/day	10 %	15 %	21 km/h
August	under 1 mm	0	13 h/day	14 %	15 %	20 km/h
September	under 1 mm	0	12 h/day	13 %	16 %	20 km/h
October	3 mm	1	12 h/day	20 %	24 %	21 km/h
November	21 mm	3	11 h/day	29 %	47 %	20 km/h
December	10 mm	2	10 h/day	30 %	53 %	19 km/h

How Ha'il compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Ha'il	39 °C	4.2 °C	77 mm	236
Buraydah · Saudi Arabia	43 °C	6.1 °C	93 mm	266
Unaizah · Saudi Arabia	42 °C	6.1 °C	97 mm	263
Madinah · Saudi Arabia	42 °C	9.0 °C	40 mm	316
Hafar Al-Batin · Saudi Arabia	44 °C	5.5 °C	111 mm	250
Tabuk · Saudi Arabia	38 °C	3.2 °C	18 mm	238
Yanbu · Saudi Arabia	37 °C	16 °C	44 mm	336

Where Ha'il ranks

Ranking	Position	Value
The driest places in South America in July	5thof 50	0.01 mm
The coolest places in South America in January	8thof 50	17 °C
Places with the best weather in South America in November	10thof 50	95/100
The warmest places in South America in August	10thof 50	39 °C
The warmest places in South America in July	11thof 50	39 °C
The warmest places in South America in June	11thof 50	38 °C

Planning a trip? See the best time to visit Ha'il.

QuestionsCommon questions about Ha'il’s climate

When is the best time to visit Ha'il?

That depends on what you want, so the honest answer is a comparison rather than a single month. March, April, November sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Ha'il get?

In August, the warmest month, daily highs average 39 °C. About 189 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average 4.2 °C in January, the coldest month. A normal year has 7 nights below freezing.

Which month is wettest in Ha'il?

November, averaging 21 mm over 3 days with rain. The driest month is July with 0 mm. The year as a whole averages 77 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Ha'il rather than what any particular week will bring. Individual years can differ substantially from the normal.

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: monthly rankings, daylight hours, beach and comfort scores. 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.