nomadseason

Monthly climate in Oro Valley, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Oro Valley features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (51 °F) and 30 °C (86 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 370 mm (14.6 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually.Oro Valley enjoys an average of 3632 hours of sunshine throughout the year, and daylight varies from 10 hours 2 minutes to 14 hours 14 minutes per day.

Monthly average temperatures in Oro Valley, Arizona, United States §

The warmest months in Oro Valley are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 53 °F) throughout the day. On average each year, Oro Valley experiences 190 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oro Valley, Arizona, United States.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 24°C
(75°F)		 27°C
(80°F)		 31°C
(89°F)		 35°C
(96°F)		 39°C
(102°F)		 43°C
(110°F)		 42°C
(108°F)		 41°C
(107°F)		 40°C
(105°F)		 37°C
(98°F)		 32°C
(89°F)		 25°C
(78°F)
Mean maximum 22°C
(73°F)		 24°C
(76°F)		 28°C
(83°F)		 33°C
(92°F)		 36°C
(97°F)		 39°C
(103°F)		 40°C
(105°F)		 39°C
(103°F)		 38°C
(101°F)		 34°C
(93°F)		 29°C
(84°F)		 24°C
(75°F)
Average high 17°C
(62°F)		 18°C
(64°F)		 22°C
(71°F)		 27°C
(81°F)		 31°C
(87°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(92°F)		 28°C
(83°F)		 23°C
(74°F)		 17°C
(63°F)
Daily mean 10°C
(51°F)		 12°C
(53°F)		 15°C
(60°F)		 21°C
(69°F)		 24°C
(76°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 27°C
(81°F)		 22°C
(71°F)		 17°C
(62°F)		 11°C
(52°F)
Average low 5°C
(42°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(56°F)		 17°C
(62°F)		 22°C
(73°F)		 25°C
(76°F)		 24°C
(75°F)		 22°C
(71°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)
Mean minimum -1°C
(30°F)		 -1°C
(31°F)		 3°C
(37°F)		 7°C
(45°F)		 11°C
(51°F)		 18°C
(64°F)		 20°C
(69°F)		 21°C
(70°F)		 17°C
(62°F)		 8°C
(46°F)		 5°C
(42°F)		 -1°C
(31°F)
Minimum -2°C
(28°F)		 -3°C
(27°F)		 0°C
(33°F)		 5°C
(42°F)		 9°C
(48°F)		 16°C
(61°F)		 19°C
(67°F)		 20°C
(67°F)		 12°C
(55°F)		 3°C
(37°F)		 3°C
(37°F)		 -2°C
(28°F)

Compare climate in Oro Valley with other places

Compare temperature, precipitation, sunshine, UV index in Oro Valley, Arizona, United States with other places around the world.

Monthly average precipitation in Oro Valley, Arizona, United States §

Oro Valley usually has the most precipitation in February, July and August, with an average of 10 rainy days and 67 mm (2.6 inches) of precipitation per month.The driest months in Oro Valley are April, May and June. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oro Valley, Arizona, United States.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) 34 (1.3) 42 (1.7) 22 (0.9) 3 (0.1) 5 (0.2) 9 (0.3) 96 (3.8) 63 (2.5) 34 (1.3) 12 (0.5) 21 (0.8) 31 (1.2)
Average precipitation days (≥ 1 mm) 4 5 4 1 2 0 13 13 4 3 1 4

Monthly sunshine hours in Oro Valley, Arizona, United States §

The sunniest months in Oro Valley are May, June and July, when the sun shines an average of 11 hours 54 minutes a day.Least sunny months in Oro Valley: January, February and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oro Valley, Arizona, United States.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 203 241 304 332 370 370 353 339 312 299 261 242
Mean daily daylight hours 10h 16m 11h 1m 12h 0m 12h 59m 13h 49m 14h 14m 14h 0m 13h 16m 12h 18m 11h 19m 10h 28m 10h 2m

Solar UV radiation in Oro Valley, Arizona, United States §

Oro Valley experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Oro Valley UV Index data.

Average daily maximum UV levels by month for Oro Valley, Arizona, United States.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) 5 7 9 11 12 12 12 11 11 8 6 4