Riyadh weather in July

Name: Riyadh
Address: SA

In July, Riyadh has daytime highs averaging 43 °C, nights around 28 °C, with 0 wet days. Figures are 1991–2020 climate normals.

42.6°C Average high
27.5°C Average low
0days Wet days
0mm Rainfall
14h Daylight

Daily temperatures through July

Daily highDaily low Day of month on the horizontal axis. Highs peak at 43.0 °C and lows bottom out at 26.3 °C.

How July develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days	Avg high	Avg low
1–10 July	42.2 °C	26.9 °C
11–20 July	42.7 °C	27.8 °C
21–31 July	42.8 °C	27.9 °C

Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 1, at 0 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure	Typical July	Share of the month
Days above 25 °C	31 of 31	100 %
Days above 30 °C	31 of 31	100 %
Days below 0 °C	0 of 31	0 %
Days with more than 1 mm rain	0 of 31	0 %

Conditions in July

Measure	Average
Mean temperature	36 °C
Record high (1991–2020)	47 °C
Record low (1991–2020)	21 °C
Relative humidity	12 %
Wind speed	23 km/h
Cloud cover	15 %

Where Riyadh ranks in July

Ranking	Position	Value
The driest places in Asia in July	1stof 50	0 mm
The driest places in South America in July	1stof 50	0 mm
The driest places in the world in July	1stof 50	0 mm
The warmest places in South America in July	4thof 50	43 °C
The warmest places in Asia in July	28thof 50	43 °C
The warmest places in the world in July	29thof 50	43 °C

July compared with the months around it

Month	Avg high	Rainfall	Cloud
May	38.6 °C	2 mm	21 %
June	41.6 °C	under 1 mm	6 %
July	42.6 °C	0 mm	15 %
August	42.5 °C	under 1 mm	14 %
September	39.5 °C	0 mm	6 %

See all twelve months for Riyadh

July is the warmest month in Riyadh.
It is the 1st driest month of the year.
It ranks 5th for least cloud cover.
Days last about 14 hours from sunrise to sunset.
It rains on 0 of 31 days — 0 % of the month.
Nights are about 15 °C cooler than the middle of the day.
The hottest July day on record since 1991 reached 47 °C, 4.3 °C above the usual daytime high.

Nearby destinations in July

Destination	Avg high	Sea
Riyadh	43 °C	–
Al Kharj	44 °C	–
Al Hufūf	45 °C	–
Unaizah	42 °C	–
Buraydah	42 °C	–
Al Jubayl	41 °C	32
Dammam	40 °C	32
Hafar Al-Batin	43 °C	–

QuestionsJuly in Riyadh, answered

How warm is Riyadh in July?

Daily highs average 43 °C and nights fall to about 28 °C, a spread of 15 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.

Does it rain much in Riyadh in July?

July averages 0 mm of rain, spread over about 0 of the 31 days — 0 % of the month. Cloud cover averages 15 % of the sky.

How long are the days in July?

Riyadh averages 14 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

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: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.