Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Spring Valley features a cold semi-arid climate (BSk). Temperatures typically range between 7 °C (45 °F) and 27 °C (81 °F) through the year, but rarely can drop to -9 °C (15 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 503 mm (19.8 inches) and receives 64 rainy days on the 1 mm (0.04 inches) threshold annually. Spring Valley enjoys an average of 3586 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.
The warmest months in Spring Valley are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (45 - 46 °F) throughout the day. On average each year, Spring Valley experiences 143 days above 25 °C (77.0 °F) and 22 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 22°C (71°F) |
22°C (72°F) |
27°C (81°F) |
31°C (89°F) |
35°C (96°F) |
40°C (105°F) |
40°C (104°F) |
40°C (104°F) |
39°C (102°F) |
34°C (93°F) |
28°C (83°F) |
22°C (73°F) |
| Mean maximum | 19°C (67°F) |
20°C (69°F) |
24°C (76°F) |
29°C (84°F) |
32°C (90°F) |
36°C (97°F) |
38°C (101°F) |
37°C (99°F) |
36°C (96°F) |
30°C (86°F) |
25°C (77°F) |
20°C (69°F) |
| Average high | 13°C (56°F) |
14°C (57°F) |
17°C (63°F) |
23°C (74°F) |
26°C (80°F) |
33°C (91°F) |
33°C (92°F) |
33°C (91°F) |
30°C (87°F) |
24°C (75°F) |
20°C (67°F) |
14°C (57°F) |
| Daily mean | 7°C (45°F) |
8°C (46°F) |
11°C (52°F) |
16°C (61°F) |
20°C (68°F) |
26°C (79°F) |
27°C (81°F) |
26°C (80°F) |
24°C (75°F) |
17°C (63°F) |
13°C (55°F) |
8°C (46°F) |
| Average low | 2°C (36°F) |
2°C (36°F) |
5°C (41°F) |
9°C (48°F) |
12°C (53°F) |
18°C (64°F) |
21°C (70°F) |
20°C (68°F) |
17°C (63°F) |
11°C (52°F) |
7°C (44°F) |
3°C (37°F) |
| Mean minimum | -4°C (25°F) |
-5°C (23°F) |
-1°C (30°F) |
3°C (37°F) |
5°C (42°F) |
12°C (54°F) |
17°C (63°F) |
17°C (62°F) |
12°C (53°F) |
4°C (39°F) |
1°C (34°F) |
-3°C (26°F) |
| Minimum | -7°C (20°F) |
-9°C (15°F) |
-3°C (27°F) |
-0°C (32°F) |
4°C (40°F) |
10°C (50°F) |
15°C (60°F) |
15°C (59°F) |
8°C (46°F) |
0°C (33°F) |
-2°C (29°F) |
-6°C (22°F) |
Compare temperature, precipitation, sunshine, UV index in Spring Valley, Arizona, United States with other places around the world.
Spring Valley usually has the most precipitation in March, July and August, with an average of 11 rainy days and 79 mm (3.1 inches) of precipitation per month. The driest months in Spring Valley are April, May and June. On average, 8 mm (0.3 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 47 (1.8) | 55 (2.2) | 56 (2.2) | 8 (0.3) | 12 (0.5) | 5 (0.2) | 118 (4.6) | 62 (2.4) | 38 (1.5) | 33 (1.3) | 33 (1.3) | 36 (1.4) |
| Average precipitation days (≥ 1 mm) | 5 | 6 | 6 | 2 | 2 | 1 | 15 | 12 | 5 | 3 | 2 | 5 |
The sunniest months in Spring Valley are May, June and July, when the sun shines an average of 12 hours 0 minutes a day. Least sunny months in Spring Valley: January, February and December receive an average of 7 hours 7 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 182 | 239 | 297 | 328 | 369 | 374 | 361 | 345 | 313 | 295 | 252 | 226 |
| Mean daily daylight hours | 10h 8m | 10h 57m | 11h 59m | 13h 3m | 13h 57m | 14h 23m | 14h 9m | 13h 21m | 12h 20m | 11h 16m | 10h 20m | 9h 53m |
Spring 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 Spring Valley UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 4 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 10 | 8 | 6 | 4 |
Discover in-depth weather details for every month in Spring Valley. 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 Spring Valley'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.