Last updated: March 2, 2024
Under the Köppen–Geiger climate classification San Manuel features a cold semi-arid climate (BSk). Temperatures typically range between 9 °C (48 °F) and 28 °C (83 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 491 mm (19.3 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually. San Manuel enjoys an average of 3638 hours of sunshine throughout the year, and daylight varies from 10 hours 2 minutes to 14 hours 14 minutes per day.
The warmest months in San Manuel are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, San Manuel experiences 171 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 22°C (72°F) |
26°C (79°F) |
30°C (86°F) |
35°C (94°F) |
37°C (99°F) |
42°C (107°F) |
40°C (105°F) |
39°C (103°F) |
37°C (99°F) |
35°C (95°F) |
29°C (85°F) |
24°C (75°F) |
| Mean maximum | 21°C (70°F) |
23°C (73°F) |
27°C (80°F) |
32°C (90°F) |
34°C (94°F) |
38°C (101°F) |
39°C (102°F) |
36°C (98°F) |
36°C (96°F) |
32°C (89°F) |
27°C (81°F) |
22°C (72°F) |
| Average high | 15°C (59°F) |
16°C (61°F) |
20°C (68°F) |
26°C (78°F) |
29°C (85°F) |
35°C (95°F) |
33°C (92°F) |
33°C (91°F) |
31°C (88°F) |
26°C (80°F) |
22°C (71°F) |
15°C (60°F) |
| Daily mean | 9°C (48°F) |
10°C (50°F) |
13°C (56°F) |
19°C (66°F) |
22°C (73°F) |
28°C (83°F) |
28°C (82°F) |
27°C (81°F) |
25°C (77°F) |
20°C (68°F) |
15°C (59°F) |
9°C (49°F) |
| Average low | 3°C (38°F) |
4°C (40°F) |
7°C (45°F) |
11°C (53°F) |
15°C (59°F) |
20°C (69°F) |
22°C (72°F) |
21°C (71°F) |
19°C (66°F) |
13°C (56°F) |
9°C (48°F) |
4°C (40°F) |
| Mean minimum | -3°C (27°F) |
-3°C (27°F) |
0°C (33°F) |
5°C (41°F) |
9°C (48°F) |
16°C (60°F) |
18°C (65°F) |
18°C (65°F) |
14°C (58°F) |
5°C (42°F) |
4°C (39°F) |
-3°C (28°F) |
| Minimum | -8°C (17°F) |
-9°C (16°F) |
-2°C (28°F) |
3°C (38°F) |
6°C (44°F) |
14°C (57°F) |
17°C (63°F) |
17°C (63°F) |
12°C (53°F) |
1°C (34°F) |
1°C (33°F) |
-6°C (21°F) |
Compare temperature, precipitation, sunshine, UV index in San Manuel, Arizona, United States with other places around the world.
San Manuel usually has the most precipitation in February, July and August, with an average of 10 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in San Manuel are April, May and June. On average, 9 mm (0.4 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 43 (1.7) | 55 (2.2) | 31 (1.2) | 5 (0.2) | 8 (0.3) | 14 (0.6) | 112 (4.4) | 92 (3.6) | 43 (1.7) | 21 (0.8) | 24 (0.9) | 43 (1.7) |
| Average precipitation days (≥ 1 mm) | 5 | 5 | 4 | 1 | 2 | 1 | 13 | 14 | 6 | 3 | 2 | 6 |
The sunniest months in San Manuel are May, June and July, when the sun shines an average of 11 hours 55 minutes a day. Least sunny months in San Manuel: January, February and December receive an average of 7 hours 33 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 203 | 241 | 304 | 333 | 371 | 370 | 355 | 338 | 313 | 300 | 261 | 243 |
| Mean daily daylight hours | 10h 16m | 11h 1m | 12h 0m | 13h 0m | 13h 50m | 14h 14m | 14h 0m | 13h 16m | 12h 19m | 11h 19m | 10h 28m | 10h 2m |
San Manuel experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 San Manuel UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 5 | 7 | 10 | 11 | 12 | 13 | 12 | 11 | 11 | 8 | 6 | 5 |
Discover in-depth weather details for every month in San Manuel. 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 San Manuel'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.