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Monthly climate in Whiteriver, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Whiteriver features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 3 °C (38 °F) and 23 °C (74 °F) through the year, but rarely can drop to -15 °C (4 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 542 mm (21.3 inches) and receives 73 rainy days on the 1 mm (0.04 inches) threshold annually.Whiteriver enjoys an average of 3596 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Whiteriver, Arizona, United States §

The warmest months in Whiteriver are June, July and August, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 39 °F) throughout the day. On average each year, Whiteriver experiences 110 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Whiteriver, 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 17°C
(64°F)		 19°C
(66°F)		 24°C
(76°F)		 29°C
(85°F)		 32°C
(91°F)		 37°C
(99°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(94°F)		 30°C
(86°F)		 24°C
(76°F)		 20°C
(67°F)
Mean maximum 15°C
(60°F)		 17°C
(62°F)		 21°C
(71°F)		 26°C
(80°F)		 30°C
(86°F)		 34°C
(93°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(90°F)		 27°C
(80°F)		 22°C
(72°F)		 17°C
(63°F)
Average high 10°C
(49°F)		 11°C
(51°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(75°F)		 30°C
(87°F)		 29°C
(85°F)		 29°C
(85°F)		 27°C
(80°F)		 21°C
(70°F)		 17°C
(62°F)		 11°C
(51°F)
Daily mean 3°C
(38°F)		 4°C
(39°F)		 7°C
(46°F)		 13°C
(55°F)		 17°C
(62°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(49°F)		 4°C
(39°F)
Average low -2°C
(28°F)		 -2°C
(29°F)		 1°C
(34°F)		 5°C
(41°F)		 8°C
(47°F)		 14°C
(57°F)		 16°C
(62°F)		 15°C
(60°F)		 13°C
(55°F)		 7°C
(46°F)		 3°C
(38°F)		 -1°C
(30°F)
Mean minimum -13°C
(9°F)		 -10°C
(15°F)		 -9°C
(17°F)		 -1°C
(30°F)		 1°C
(34°F)		 8°C
(47°F)		 13°C
(55°F)		 12°C
(54°F)		 8°C
(46°F)		 0°C
(32°F)		 -4°C
(25°F)		 -9°C
(15°F)
Minimum -15°C
(4°F)		 -13°C
(9°F)		 -14°C
(7°F)		 -3°C
(27°F)		 -0°C
(32°F)		 6°C
(43°F)		 12°C
(53°F)		 9°C
(49°F)		 4°C
(39°F)		 -4°C
(25°F)		 -10°C
(14°F)		 -15°C
(5°F)

Compare climate in Whiteriver with other places

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

Monthly average precipitation in Whiteriver, Arizona, United States §

Whiteriver usually has the most precipitation in January, February and July, with an average of 9 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Whiteriver are April, May and June. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Whiteriver, 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) 58 (2.3) 64 (2.5) 55 (2.2) 11 (0.4) 15 (0.6) 7 (0.3) 126 (5.0) 53 (2.1) 41 (1.6) 36 (1.4) 26 (1.0) 49 (1.9)
Average precipitation days (≥ 1 mm) 7 7 6 3 3 1 15 11 6 4 3 7

Monthly sunshine hours in Whiteriver, Arizona, United States §

The sunniest months in Whiteriver are May, June and July, when the sun shines an average of 11 hours 52 minutes a day.Least sunny months in Whiteriver: January, February and December receive an average of 7 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Whiteriver, 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 192 234 302 332 371 370 351 338 312 295 260 234
Mean daily daylight hours 10h 10m 10h 58m 11h 59m 13h 2m 13h 55m 14h 20m 14h 6m 13h 20m 12h 19m 11h 17m 10h 23m 9h 56m

Solar UV radiation in Whiteriver, Arizona, United States §

Whiteriver experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 12 - 13, 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 Whiteriver UV Index data.

Average daily maximum UV levels by month for Whiteriver, 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 10 11 12 13 12 12 11 8 6 5