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Monthly climate in Ad Dilam, Riyadh Region, Saudi Arabia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ad Dilam features a hot desert climate (BWh).Temperatures typically range between 17 °C (62 °F) and 38 °C (101 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 48 °C (118 °F).The average annual precipitation amounts to about 34 mm (1.4 inches) and receives 6 rainy days on the 1 mm (0.04 inches) threshold annually.Ad Dilam enjoys an average of 3907 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 34 minutes per day.

Monthly average temperatures in Ad Dilam, Riyadh Region, Saudi Arabia §

The warmest months in Ad Dilam are June, July and August, with daily mean temperatures ranging from 37 to 38 °C (99 - 101 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (62 - 65 °F) throughout the day. On average each year, Ad Dilam experiences 271 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ad Dilam, Riyadh Region, Saudi Arabia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 31°C
(87°F)		 36°C
(98°F)		 40°C
(104°F)		 42°C
(107°F)		 46°C
(115°F)		 48°C
(118°F)		 48°C
(118°F)		 47°C
(117°F)		 46°C
(114°F)		 42°C
(108°F)		 36°C
(96°F)		 32°C
(89°F)
Mean maximum 29°C
(85°F)		 33°C
(91°F)		 38°C
(101°F)		 40°C
(105°F)		 44°C
(112°F)		 46°C
(115°F)		 47°C
(117°F)		 46°C
(116°F)		 45°C
(113°F)		 40°C
(105°F)		 34°C
(94°F)		 30°C
(86°F)
Average high 23°C
(74°F)		 24°C
(76°F)		 30°C
(87°F)		 35°C
(95°F)		 40°C
(104°F)		 44°C
(111°F)		 45°C
(113°F)		 44°C
(112°F)		 42°C
(107°F)		 36°C
(98°F)		 29°C
(85°F)		 24°C
(75°F)
Daily mean 17°C
(62°F)		 18°C
(65°F)		 23°C
(75°F)		 29°C
(84°F)		 33°C
(92°F)		 37°C
(99°F)		 38°C
(101°F)		 37°C
(100°F)		 35°C
(95°F)		 29°C
(85°F)		 23°C
(74°F)		 18°C
(64°F)
Average low 11°C
(52°F)		 12°C
(54°F)		 17°C
(62°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(86°F)		 27°C
(80°F)		 22°C
(72°F)		 17°C
(63°F)		 12°C
(54°F)
Mean minimum 5°C
(42°F)		 6°C
(42°F)		 11°C
(52°F)		 16°C
(62°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 27°C
(82°F)		 24°C
(75°F)		 18°C
(64°F)		 12°C
(53°F)		 7°C
(44°F)
Minimum 4°C
(40°F)		 1°C
(34°F)		 9°C
(49°F)		 14°C
(58°F)		 20°C
(68°F)		 25°C
(77°F)		 27°C
(81°F)		 27°C
(80°F)		 21°C
(70°F)		 15°C
(59°F)		 7°C
(44°F)		 5°C
(41°F)

Compare climate in Ad Dilam with other places

Compare temperature, precipitation, sunshine, UV index in Ad Dilam, Riyadh Region, Saudi Arabia with other places around the world.

Monthly average precipitation in Ad Dilam, Riyadh Region, Saudi Arabia §

Ad Dilam usually has the most precipitation in February, April and November, with an average of 2 rainy days and 9 mm (0.3 inches) of precipitation per month.The driest months in Ad Dilam are June, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ad Dilam, Riyadh Region, Saudi Arabia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 1 (0.0) 16 (0.6) 2 (0.1) 8 (0.3) 2 (0.1) 0 (0.0) 1 (0.0) 0 (0.0) 0 (0.0) 1 (0.0) 3 (0.1) 1 (0.1)
Average precipitation days (≥ 1 mm) 0 3 0 2 0 0 0 0 0 0 1 0

Monthly sunshine hours in Ad Dilam, Riyadh Region, Saudi Arabia §

The sunniest months in Ad Dilam are June, July and August, when the sun shines an average of 11 hours 52 minutes a day.Least sunny months in Ad Dilam: January, February and November receive an average of 9 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ad Dilam, Riyadh Region, Saudi Arabia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 244 287 330 329 358 360 372 358 336 329 297 300
Mean daily daylight hours 10h 49m 11h 20m 12h 1m 12h 42m 13h 17m 13h 34m 13h 26m 12h 55m 12h 15m 11h 33m 10h 58m 10h 40m

Solar UV radiation in Ad Dilam, Riyadh Region, Saudi Arabia §

Ad Dilam experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Ad Dilam UV Index data.

Average daily maximum UV levels by month for Ad Dilam, Riyadh Region, Saudi Arabia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 7 9 11 11 12 12 11 11 11 9 7 6