Last updated: March 2, 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.
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).
| 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 temperature, precipitation, sunshine, UV index in New River, Arizona, United States with other places around the world.
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.
| 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 |
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.
| 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 |
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.
| 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 |
Discover in-depth weather details for every month in New River. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about New River's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.