Vacaville, California Climate
United States
Pop. 96,803 Elev. 55 m / 180 ft
TZ: America/Los_Angeles (UTC-7) ·
Dry and warm, Vacaville sees August highs of 88°F (31°C) and cool January lows of 41°F (5°C). Humidity pushes the summer feels-like temperature to around 94°F (34°C). Expect around 25 rainy days annually (18.1 in / 461 mm total). The city averages 206 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 88°F (31°C) high | 41°F (5°C) low |
| Feels like | 94°F (34°C) high | 41°F (5°C) low |
| Rain | 25 days | 18.1 in (461 mm) /yr |
| Sky | 206 sunny | 15 stormy |
| Wind | 4.5 mph (2.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Jul, Sep, Oct
Sky & Air by Month
Cloud cover (%)
36
Jan 62
Feb 57
Mar 45
Apr 22
May 14
Jun 23
Jul 15
Aug 34
Sep 41
Oct 68
Nov 67
Dec Humidity (%)
59
Jan 71
Feb 69
Mar 64
Apr 50
May 56
Jun 64
Jul 56
Aug 62
Sep 66
Oct 81
Nov 84
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Buchanan Field (CCR)
Ski resort 110 mi Sugar Bowl Resort
National park 27 mi Old Sacramento State Historic Park
Mountain peak
(6,113 ft) 74 mi Goat Mountain
Hospital 2 mi VacaValley Hospital
Hiking trail 18 mi ADT - California - T - Seg 6
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 62°F 17°C | 41°F 5°C | 0.5 in 12 mm | — | 18 |
| February | 63°F 17°C | 44°F 7°C | 6.6 in 168 mm | — | 6 |
| March | 66°F 19°C | 46°F 8°C | 2.5 in 64 mm | — | 11 |
| April | 74°F 23°C | 49°F 9°C | 0.3 in 7 mm | — | 14 |
| May | 82°F 28°C | 54°F 12°C | 0.1 in 2 mm | — | 25 |
| June | 83°F 28°C | 55°F 13°C | 0.0 in 0 mm | — | 30 |
| July | 82°F 28°C | 57°F 14°C | 0.0 in 1 mm | — | 27 |
| August | 88°F 31°C | 59°F 15°C | 0.0 in 0 mm | — | 30 |
| September | 85°F 30°C | 61°F 16°C | 0.1 in 3 mm | — | 20 |
| October | 75°F 24°C | 54°F 12°C | 1.9 in 48 mm | — | 17 |
| November | 66°F 19°C | 50°F 10°C | 3.2 in 82 mm | — | 4 |
| December | 56°F 13°C | 45°F 7°C | 3.0 in 75 mm | — | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 0 |
| February | 6 | 4 |
| March | 11 | 3 |
| April | 14 | 0 |
| May | 25 | 0 |
| June | 30 | 0 |
| July | 27 | 0 |
| August | 30 | 0 |
| September | 20 | 0 |
| October | 17 | 1 |
| November | 4 | 4 |
| December | 4 | 3 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 53°F 12°C | 49°F 10°C |
| February | 54°F 12°C | 49°F 10°C |
| March | 55°F 13°C | 52°F 11°C |
| April | 56°F 13°C | 58°F 15°C |
| May | 55°F 13°C | 64°F 18°C |
| June | 57°F 14°C | 67°F 19°C |
| July | 60°F 16°C | 67°F 20°C |
| August | 61°F 16°C | 71°F 22°C |
| September | 62°F 17°C | 72°F 22°C |
| October | 62°F 17°C | 65°F 18°C |
| November | 58°F 14°C | 59°F 15°C |
| December | 56°F 14°C | 53°F 11°C |