Riyadh climate

Riyadh Weather in October

NASA POWER reanalysis for the half-degree grid cell around Riyadh, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 37°C on October 1 to 31°C on October 31, and lows from 22°C to 17°C. Normal precipitation for the month is 0 mm over about 0 wet days.

October day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Riyadh, in °C, with the record for each date.1020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

October at a glance

Average high
34°C
Average low
19°C
Precipitation
0 mm
Reanalysis high
40°COct 4, 2019
Reanalysis low
13°COct 23, 1998
Daylight
11 h 55 min to 11 h 15 min
Cloud cover
15%
Humidity
21%
Dew point
0°C
Wind
12.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Oct 137°C22°C39°C 201918°C 19920%
Oct 237°C22°C39°C 201919°C 20160%
Oct 337°C21°C39°C 201918°C 20050%
Oct 437°C21°C40°C 201916°C 19920%
Oct 536°C21°C39°C 199817°C 19920%
Oct 636°C21°C39°C 201917°C 20080%
Oct 736°C21°C39°C 201918°C 20080%
Oct 836°C21°C39°C 201515°C 20010%
Oct 936°C21°C38°C 201517°C 20130%
Oct 1036°C20°C39°C 201016°C 19920%
Oct 1135°C20°C38°C 201016°C 20200%
Oct 1235°C20°C38°C 201016°C 20130%
Oct 1335°C20°C37°C 201516°C 20200%
Oct 1435°C20°C37°C 201516°C 20130%
Oct 1534°C20°C37°C 199116°C 19920%
Oct 1634°C19°C36°C 201715°C 20200%
Oct 1734°C19°C36°C 201716°C 19920%
Oct 1834°C19°C36°C 201716°C 19920%
Oct 1934°C19°C36°C 201515°C 19961%
Oct 2034°C19°C36°C 200115°C 20201%
Oct 2133°C19°C35°C 199514°C 20201%
Oct 2233°C19°C35°C 201714°C 20201%
Oct 2333°C18°C35°C 201713°C 19981%
Oct 2433°C18°C35°C 199914°C 20051%
Oct 2532°C18°C35°C 199913°C 20201%
Oct 2632°C18°C35°C 201914°C 20201%
Oct 2732°C18°C35°C 201914°C 20202%
Oct 2832°C18°C35°C 201914°C 19922%
Oct 2932°C17°C35°C 201914°C 19922%
Oct 3031°C17°C35°C 201914°C 19962%
Oct 3131°C17°C34°C 200113°C 19962%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Riyadh, in percent.00.511.521102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

October 1
sunrise 5:45 AM, sunset 5:40 PM
October 31
sunrise 5:59 AM, sunset 5:14 PM

Every day of October: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.