Last updated: May 6, 2024
Under the Köppen–Geiger climate classification San Ramon features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (52 °F) and 24 °C (75 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 1071 mm (42.2 inches) and receives 94 rainy days on the 1 mm (0.04 inches) threshold annually.San Ramon enjoys an average of 3314 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 23 minutes per day.
The warmest months in San Ramon are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, San Ramon experiences 112 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 41°C (106°F) | 35°C (96°F) | 34°C (93°F) | 34°C (93°F) | 27°C (80°F) | 26°C (80°F) | 27°C (81°F) | 26°C (79°F) | 29°C (85°F) | 34°C (93°F) | 35°C (96°F) | 36°C (97°F) |
Mean maximum | 35°C (95°F) | 33°C (92°F) | 32°C (90°F) | 29°C (85°F) | 25°C (78°F) | 21°C (70°F) | 24°C (76°F) | 25°C (77°F) | 27°C (81°F) | 30°C (86°F) | 34°C (93°F) | 34°C (94°F) |
Average high | 29°C (84°F) | 28°C (82°F) | 26°C (79°F) | 23°C (74°F) | 19°C (66°F) | 16°C (62°F) | 15°C (60°F) | 17°C (63°F) | 19°C (66°F) | 21°C (70°F) | 25°C (77°F) | 28°C (82°F) |
Daily mean | 24°C (75°F) | 22°C (73°F) | 21°C (69°F) | 18°C (65°F) | 14°C (58°F) | 12°C (54°F) | 11°C (52°F) | 12°C (54°F) | 14°C (58°F) | 16°C (61°F) | 19°C (67°F) | 22°C (72°F) |
Average low | 18°C (65°F) | 18°C (64°F) | 16°C (61°F) | 14°C (58°F) | 10°C (50°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) | 10°C (50°F) | 11°C (52°F) | 14°C (57°F) | 16°C (61°F) |
Mean minimum | 12°C (53°F) | 11°C (52°F) | 9°C (49°F) | 8°C (46°F) | 4°C (40°F) | 1°C (33°F) | 0°C (33°F) | 0°C (33°F) | 3°C (38°F) | 4°C (39°F) | 7°C (45°F) | 9°C (49°F) |
Minimum | 10°C (50°F) | 9°C (49°F) | 7°C (45°F) | 6°C (43°F) | 3°C (37°F) | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | 1°C (35°F) | 2°C (36°F) | 5°C (42°F) | 8°C (46°F) |
Compare temperature, precipitation, sunshine, UV index in San Ramon, Canelones, Uruguay with other places around the world.
San Ramon usually has the most precipitation in February, May and June, with an average of 8 rainy days and 108 mm (4.3 inches) of precipitation per month.The driest months in San Ramon are March, November and December. On average, 70 mm (2.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 77 (3.0) | 101 (4.0) | 77 (3.0) | 81 (3.2) | 104 (4.1) | 120 (4.7) | 95 (3.8) | 90 (3.5) | 97 (3.8) | 96 (3.8) | 68 (2.7) | 66 (2.6) |
Average precipitation days (≥ 1 mm) | 6 | 9 | 9 | 6 | 6 | 9 | 10 | 7 | 8 | 10 | 7 | 7 |
The sunniest months in San Ramon are March, November and December, when the sun shines an average of 11 hours 13 minutes a day.Least sunny months in San Ramon: May, June and July receive an average of 6 hours 54 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 299 | 311 | 318 | 254 | 231 | 200 | 204 | 239 | 247 | 293 | 335 | 379 |
Mean daily daylight hours | 14h 7m | 13h 17m | 12h 14m | 11h 10m | 10h 18m | 9h 52m | 10h 6m | 10h 52m | 11h 53m | 12h 57m | 13h 54m | 14h 23m |
San Ramon experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.May, June and July 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 San Ramon UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |