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Monthly climate in New River, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification New River features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (50 °F) and 31 °C (88 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 374 mm (14.7 inches) and receives 46 rainy days on the 1 mm (0.04 inches) threshold annually.New River enjoys an average of 3610 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in New River, Arizona, United States §

The warmest months in New River are June, July and August, with daily mean temperatures ranging from 29 to 31 °C (85 - 88 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 11 °C (50 - 51 °F) throughout the day. On average each year, New River experiences 174 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in New River, 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
(76°F)		 25°C
(77°F)		 30°C
(86°F)		 34°C
(94°F)		 39°C
(102°F)		 43°C
(110°F)		 43°C
(110°F)		 43°C
(109°F)		 41°C
(106°F)		 37°C
(98°F)		 31°C
(89°F)		 25°C
(78°F)
Mean maximum 22°C
(71°F)		 23°C
(73°F)		 27°C
(81°F)		 32°C
(90°F)		 35°C
(95°F)		 39°C
(102°F)		 42°C
(107°F)		 41°C
(105°F)		 39°C
(102°F)		 33°C
(91°F)		 28°C
(82°F)		 22°C
(73°F)
Average high 16°C
(61°F)		 17°C
(62°F)		 20°C
(69°F)		 26°C
(79°F)		 29°C
(85°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 33°C
(92°F)		 27°C
(81°F)		 22°C
(72°F)		 16°C
(62°F)
Daily mean 10°C
(50°F)		 11°C
(51°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(74°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(87°F)		 27°C
(82°F)		 21°C
(70°F)		 16°C
(61°F)		 10°C
(51°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 8°C
(47°F)		 12°C
(54°F)		 16°C
(61°F)		 21°C
(71°F)		 25°C
(77°F)		 24°C
(76°F)		 21°C
(70°F)		 15°C
(58°F)		 10°C
(50°F)		 6°C
(42°F)
Mean minimum -1°C
(30°F)		 -1°C
(30°F)		 2°C
(36°F)		 6°C
(44°F)		 9°C
(49°F)		 16°C
(61°F)		 21°C
(69°F)		 21°C
(69°F)		 15°C
(60°F)		 8°C
(46°F)		 5°C
(41°F)		 -0°C
(31°F)
Minimum -4°C
(26°F)		 -5°C
(24°F)		 -1°C
(31°F)		 3°C
(38°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(67°F)		 18°C
(65°F)		 11°C
(52°F)		 4°C
(40°F)		 3°C
(37°F)		 -2°C
(30°F)

Compare climate in New River with other places

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

Monthly average precipitation in New River, Arizona, United States §

New River usually has the most precipitation in February, March and July, with an average of 7 rainy days and 57 mm (2.3 inches) of precipitation per month.The driest months in New River are April, May and June. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in New River, 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) 40 (1.6) 49 (1.9) 47 (1.8) 3 (0.1) 5 (0.2) 4 (0.2) 75 (3.0) 38 (1.5) 24 (1.0) 26 (1.0) 32 (1.3) 29 (1.2)
Average precipitation days (≥ 1 mm) 5 5 5 1 1 0 11 7 3 3 1 4

Monthly sunshine hours in New River, Arizona, United States §

The sunniest months in New River are May, June and July, when the sun shines an average of 12 hours 1 minutes a day.Least sunny months in New River: January, February and December receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in New River, 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 188 240 303 329 371 374 360 346 313 295 254 232
Mean daily daylight hours 10h 9m 10h 58m 11h 59m 13h 3m 13h 56m 14h 22m 14h 8m 13h 20m 12h 20m 11h 16m 10h 22m 9h 54m

Solar UV radiation in New River, Arizona, United States §

New River 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly New River UV Index data.

Average daily maximum UV levels by month for New River, 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) 4 6 9 11 12 12 12 11 10 8 5 4