Last updated: March 2, 2024
Under the Köppen–Geiger climate classification South San Jose Hills features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 13 °C (56 °F) and 25 °C (76 °F) through the year, but rarely can drop to 2 °C (35 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 358 mm (14.1 inches) and receives 32 rainy days on the 1 mm (0.04 inches) threshold annually. South San Jose Hills enjoys an average of 3567 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 South San Jose Hills are July, August and September, with daily mean temperatures ranging from 23 to 25 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 13 °C (56 - 56 °F) throughout the day. On average each year, South San Jose Hills experiences 144 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 31°C (88°F) |
30°C (87°F) |
30°C (86°F) |
36°C (97°F) |
34°C (93°F) |
37°C (98°F) |
44°C (112°F) |
39°C (102°F) |
44°C (112°F) |
39°C (103°F) |
33°C (93°F) |
27°C (82°F) |
Mean maximum | 26°C (79°F) |
26°C (78°F) |
28°C (83°F) |
33°C (91°F) |
32°C (89°F) |
33°C (92°F) |
37°C (99°F) |
36°C (97°F) |
38°C (100°F) |
36°C (96°F) |
32°C (90°F) |
25°C (77°F) |
Average high | 19°C (66°F) |
19°C (67°F) |
20°C (68°F) |
23°C (74°F) |
24°C (75°F) |
27°C (81°F) |
30°C (87°F) |
31°C (88°F) |
30°C (86°F) |
27°C (81°F) |
23°C (75°F) |
19°C (66°F) |
Daily mean | 13°C (56°F) |
13°C (56°F) |
14°C (58°F) |
17°C (63°F) |
18°C (65°F) |
21°C (70°F) |
24°C (76°F) |
25°C (76°F) |
23°C (74°F) |
20°C (69°F) |
17°C (62°F) |
13°C (56°F) |
Average low | 8°C (47°F) |
8°C (47°F) |
10°C (50°F) |
12°C (54°F) |
14°C (57°F) |
16°C (61°F) |
19°C (66°F) |
19°C (67°F) |
18°C (65°F) |
15°C (59°F) |
12°C (53°F) |
8°C (47°F) |
Mean minimum | 4°C (39°F) |
3°C (37°F) |
5°C (41°F) |
9°C (48°F) |
10°C (50°F) |
13°C (56°F) |
16°C (61°F) |
17°C (62°F) |
14°C (58°F) |
10°C (50°F) |
7°C (45°F) |
4°C (39°F) |
Minimum | 2°C (37°F) |
2°C (35°F) |
3°C (38°F) |
8°C (47°F) |
8°C (47°F) |
12°C (54°F) |
15°C (59°F) |
16°C (61°F) |
12°C (54°F) |
9°C (48°F) |
5°C (41°F) |
3°C (37°F) |
Compare temperature, precipitation, sunshine, UV index in South San Jose Hills, California, United States with other places around the world.
South San Jose Hills usually has the most precipitation in January, March and December, with an average of 5 rainy days and 71 mm (2.8 inches) of precipitation per month. The driest months in South San Jose Hills are June, July and August. On average, 3 mm (0.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 75 (3.0) | 63 (2.5) | 67 (2.7) | 23 (0.9) | 16 (0.6) | 3 (0.1) | 2 (0.1) | 2 (0.1) | 4 (0.1) | 10 (0.4) | 20 (0.8) | 72 (2.8) |
Average precipitation days (≥ 1 mm) | 5 | 6 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The sunniest months in South San Jose Hills are June, July and August, when the sun shines an average of 12 hours 4 minutes a day. Least sunny months in South San Jose Hills: January, February and December receive an average of 7 hours 3 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 186 | 231 | 280 | 316 | 351 | 369 | 380 | 361 | 316 | 293 | 255 | 224 |
Mean daily daylight hours | 10h 9m | 10h 57m | 11h 59m | 13h 3m | 13h 56m | 14h 22m | 14h 8m | 13h 21m | 12h 20m | 11h 16m | 10h 21m | 9h 54m |
South San Jose Hills experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 South San Jose Hills UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Discover in-depth weather details for every month in South San Jose Hills. 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 South San Jose Hills'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.