Wādī as Sīr climate

Name: Wādī as Sīr
Address: JO

Wādī as Sīr is warmest in August, with average highs of 33 °C, and coldest in January, when nights average 4.0 °C. January is the wettest month (56 mm) and July the driest (0.03 mm). Figures are 1991–2020 climate normals.

Across a full year Wādī as Sīr averages 223 mm of rain, 178 days above 25 °C and 4 days below freezing.

Jordan · population 181,212 · 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 33 °C
Coldest month January 4.0 °C
Driest month July 0 mm
Wettest month January 56 mm
Least cloud July 4 % cloud
Hottest on record August 42 °C
Coldest on record February -4.6 °C

What to expectWādī as Sīr through the year

Wādī as Sīr has a clear annual cycle: average daily highs run from 12 °C in January to 33 °C in August, a swing of 18 °C in mean temperature across the year.

Counted across a normal year, 178 days a year reach 25 °C, 109 of them reach 30 °C, 4 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in August.

Rain is strongly seasonal. January averages 56 mm against 0 mm in July — 1,860 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	12.4 °C	56 mm	44 %
February	13.7 °C	52 mm	43 %
March	17.5 °C	36 mm	37 %
April	22.7 °C	13 mm	29 %
May	27.6 °C	6 mm	20 %
June	31.0 °C	under 1 mm	4 %
July	32.8 °C	under 1 mm	4 %
August	32.9 °C	under 1 mm	5 %
September	30.7 °C	1 mm	7 %
October	26.3 °C	6 mm	20 %
November	19.6 °C	19 mm	33 %
December	14.5 °C	36 mm	40 %

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	12.4 °C	4.0 °C	8.0 °C	23.2 °C	-4.0 °C	0	0	2
February	13.7 °C	4.6 °C	9.0 °C	25.9 °C	-4.6 °C	0	0	1
March	17.5 °C	7.0 °C	12.2 °C	33.0 °C	-1.1 °C	2	0	0
April	22.7 °C	10.3 °C	16.6 °C	35.6 °C	-0.1 °C	10	2	0
May	27.6 °C	14.7 °C	21.2 °C	38.5 °C	7.6 °C	22	9	0
June	31.0 °C	17.8 °C	24.1 °C	39.2 °C	12.8 °C	29	18	0
July	32.8 °C	19.9 °C	26.0 °C	40.7 °C	15.6 °C	31	28	0
August	32.9 °C	20.2 °C	26.1 °C	41.9 °C	16.6 °C	31	28	0
September	30.7 °C	18.5 °C	24.2 °C	40.4 °C	9.6 °C	29	17	0
October	26.3 °C	15.2 °C	20.6 °C	36.3 °C	6.0 °C	20	5	0
November	19.6 °C	9.7 °C	14.5 °C	29.4 °C	-1.2 °C	3	0	0
December	14.5 °C	5.7 °C	9.9 °C	26.4 °C	-2.4 °C	0	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	56 mm	8	10 h/day	44 %	70 %	12 km/h
February	52 mm	8	11 h/day	43 %	67 %	13 km/h
March	36 mm	6	12 h/day	37 %	60 %	14 km/h
April	13 mm	3	13 h/day	29 %	49 %	14 km/h
May	6 mm	1	14 h/day	20 %	43 %	16 km/h
June	under 1 mm	0	14 h/day	4 %	46 %	17 km/h
July	under 1 mm	0	14 h/day	4 %	48 %	16 km/h
August	under 1 mm	0	13 h/day	5 %	52 %	15 km/h
September	1 mm	0	12 h/day	7 %	52 %	13 km/h
October	6 mm	1	11 h/day	20 %	51 %	11 km/h
November	19 mm	4	11 h/day	33 %	57 %	11 km/h
December	36 mm	6	10 h/day	40 %	66 %	11 km/h

How Wādī as Sīr 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
Wādī as Sīr	33 °C	4.0 °C	223 mm	178
Ṣuwayliḥ · Jordan	31 °C	2.3 °C	228 mm	159
Amman · Jordan	33 °C	4.1 °C	176 mm	182
Khuraybat as Sūq · Jordan	32 °C	3.5 °C	184 mm	175
Russeifa · Jordan	34 °C	5.0 °C	172 mm	195
Zarqa · Jordan	34 °C	3.9 °C	171 mm	191
Jerusalem · Israel	32 °C	4.5 °C	323 mm	171

Where Wādī as Sīr ranks

Ranking	Position	Value
Places with the best weather in Asia in April	2ndof 50	97/100
Places with the best weather in the world in April	4thof 50	97/100
Places with the best weather in Asia year-round	20thof 50	79/100
The driest places in Asia in August	22ndof 50	0.04 mm
The driest places in Asia in July	29thof 50	0.03 mm
The driest places in the world in August	48thof 50	0.04 mm

Planning a trip? See the best time to visit Wādī as Sīr.

QuestionsCommon questions about Wādī as Sīr’s climate

When is the best time to visit Wādī as Sīr?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, October 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 Wādī as Sīr get?

In August, the warmest month, daily highs average 33 °C. About 109 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average 4.0 °C in January, the coldest month. A normal year has 4 nights below freezing.

Which month is wettest in Wādī as Sīr?

January, averaging 56 mm over 8 days with rain. The driest month is July with 0 mm. The year as a whole averages 223 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 Wādī as Sīr 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.