Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Hamilton City features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 10 °C (50 °F) and 31 °C (89 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 47 °C (116 °F). The average annual precipitation amounts to about 536 mm (21.1 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually. Hamilton City enjoys an average of 3386 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.
The warmest months in Hamilton City are June, July and August, with daily mean temperatures ranging from 28 to 31 °C (83 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 53 °F) throughout the day. On average each year, Hamilton City experiences 175 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 | 26°C (79°F) |
30°C (87°F) |
33°C (91°F) |
36°C (97°F) |
42°C (108°F) |
46°C (115°F) |
47°C (116°F) |
45°C (114°F) |
45°C (113°F) |
39°C (103°F) |
31°C (87°F) |
25°C (77°F) |
Mean maximum | 21°C (71°F) |
25°C (78°F) |
28°C (83°F) |
33°C (92°F) |
39°C (102°F) |
42°C (108°F) |
45°C (113°F) |
44°C (111°F) |
42°C (108°F) |
35°C (96°F) |
28°C (83°F) |
22°C (71°F) |
Average high | 16°C (60°F) |
19°C (66°F) |
20°C (69°F) |
25°C (77°F) |
30°C (86°F) |
36°C (97°F) |
40°C (104°F) |
38°C (101°F) |
34°C (94°F) |
28°C (83°F) |
21°C (70°F) |
15°C (60°F) |
Daily mean | 10°C (50°F) |
12°C (53°F) |
14°C (57°F) |
18°C (65°F) |
23°C (73°F) |
28°C (83°F) |
31°C (89°F) |
30°C (86°F) |
26°C (78°F) |
19°C (67°F) |
13°C (56°F) |
10°C (50°F) |
Average low | 6°C (43°F) |
6°C (43°F) |
8°C (47°F) |
11°C (53°F) |
15°C (60°F) |
20°C (69°F) |
23°C (73°F) |
21°C (71°F) |
17°C (63°F) |
12°C (53°F) |
7°C (46°F) |
5°C (41°F) |
Mean minimum | -1°C (31°F) |
-1°C (31°F) |
2°C (35°F) |
5°C (41°F) |
9°C (49°F) |
14°C (58°F) |
19°C (66°F) |
17°C (62°F) |
11°C (52°F) |
5°C (42°F) |
0°C (33°F) |
-0°C (32°F) |
Minimum | -2°C (28°F) |
-4°C (25°F) |
-0°C (32°F) |
3°C (38°F) |
5°C (41°F) |
12°C (54°F) |
17°C (64°F) |
15°C (60°F) |
8°C (47°F) |
4°C (40°F) |
-2°C (29°F) |
-2°C (28°F) |
Compare temperature, precipitation, sunshine, UV index in Hamilton City, California, United States with other places around the world.
Hamilton City usually has the most precipitation in January, February and March, with an average of 8 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Hamilton City are July, August and September. On average, 1 mm (0.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 106 (4.2) | 114 (4.5) | 82 (3.2) | 36 (1.4) | 31 (1.2) | 4 (0.1) | 0 (0.0) | 1 (0.0) | 2 (0.1) | 29 (1.1) | 51 (2.0) | 81 (3.2) |
Average precipitation days (≥ 1 mm) | 8 | 7 | 10 | 5 | 3 | 1 | 0 | 0 | 0 | 2 | 5 | 8 |
The sunniest months in Hamilton City are May, June and July, when the sun shines an average of 12 hours 29 minutes a day. Least sunny months in Hamilton City: January, February and December receive an average of 5 hours 43 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 136 | 202 | 250 | 296 | 361 | 387 | 400 | 358 | 315 | 281 | 215 | 181 |
Mean daily daylight hours | 9h 42m | 10h 42m | 11h 58m | 13h 17m | 14h 22m | 14h 55m | 14h 37m | 13h 38m | 12h 23m | 11h 5m | 9h 57m | 9h 23m |
Hamilton City experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Hamilton City UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 4 | 7 | 8 | 10 | 11 | 10 | 10 | 9 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Hamilton City. 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 Hamilton City'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.