Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Ar Riyad features a hot semi-arid climate (BSh).Temperatures typically range between 10 °C (51 °F) and 38 °C (101 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 50 °C (123 °F).The average annual precipitation amounts to about 324 mm (12.8 inches) and receives 45 rainy days on the 1 mm (0.04 inches) threshold annually.Ar Riyad enjoys an average of 3838 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 28 minutes per day.
The warmest months in Ar Riyad are June, July and August, with daily mean temperatures ranging from 35 to 38 °C (95 - 101 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (51 - 55 °F) throughout the day. On average each year, Ar Riyad experiences 197 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (76°F) | 27°C (81°F) | 34°C (93°F) | 41°C (106°F) | 45°C (114°F) | 48°C (119°F) | 50°C (123°F) | 49°C (121°F) | 47°C (118°F) | 41°C (106°F) | 33°C (91°F) | 25°C (77°F) |
Mean maximum | 20°C (69°F) | 24°C (76°F) | 28°C (83°F) | 35°C (96°F) | 43°C (110°F) | 46°C (115°F) | 49°C (120°F) | 48°C (119°F) | 46°C (115°F) | 40°C (104°F) | 32°C (90°F) | 22°C (72°F) |
Average high | 16°C (60°F) | 18°C (64°F) | 22°C (71°F) | 28°C (84°F) | 36°C (97°F) | 42°C (107°F) | 45°C (113°F) | 45°C (113°F) | 41°C (107°F) | 34°C (93°F) | 24°C (76°F) | 18°C (65°F) |
Daily mean | 10°C (51°F) | 12°C (54°F) | 16°C (62°F) | 22°C (72°F) | 29°C (85°F) | 35°C (95°F) | 38°C (101°F) | 37°C (99°F) | 34°C (93°F) | 27°C (80°F) | 18°C (65°F) | 13°C (55°F) |
Average low | 6°C (43°F) | 7°C (46°F) | 11°C (52°F) | 16°C (60°F) | 21°C (71°F) | 27°C (80°F) | 30°C (86°F) | 29°C (85°F) | 25°C (78°F) | 20°C (68°F) | 13°C (56°F) | 9°C (48°F) |
Mean minimum | 1°C (33°F) | 1°C (34°F) | 6°C (43°F) | 11°C (52°F) | 16°C (62°F) | 23°C (74°F) | 26°C (79°F) | 26°C (79°F) | 20°C (69°F) | 14°C (58°F) | 7°C (45°F) | 3°C (38°F) |
Minimum | -1°C (30°F) | -3°C (26°F) | 2°C (37°F) | 9°C (49°F) | 13°C (55°F) | 21°C (70°F) | 24°C (76°F) | 24°C (76°F) | 19°C (66°F) | 13°C (55°F) | 5°C (41°F) | -0°C (32°F) |
Compare temperature, precipitation, sunshine, UV index in Ar Riyad, Kirkuk, Iraq with other places around the world.
Ar Riyad usually has the most precipitation in February, March and December, with an average of 8 rainy days and 63 mm (2.5 inches) of precipitation per month.The driest months in Ar Riyad are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 31 (1.2) | 60 (2.4) | 65 (2.6) | 46 (1.8) | 11 (0.4) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 10 (0.4) | 37 (1.5) | 62 (2.5) |
Average precipitation days (≥ 1 mm) | 6 | 8 | 9 | 7 | 2 | 0 | 0 | 0 | 0 | 1 | 5 | 7 |
The sunniest months in Ar Riyad are May, June and July, when the sun shines an average of 12 hours 40 minutes a day.Least sunny months in Ar Riyad: January, February and December receive an average of 8 hours 1 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 219 | 257 | 311 | 336 | 384 | 387 | 393 | 377 | 336 | 311 | 268 | 253 |
Mean daily daylight hours | 10h 3m | 10h 54m | 11h 58m | 13h 5m | 14h 1m | 14h 28m | 14h 14m | 13h 25m | 12h 21m | 11h 15m | 10h 17m | 9h 48m |
Ar Riyad experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Ar Riyad UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 7 | 9 | 11 | 11 | 10 | 9 | 8 | 7 | 4 | 3 |