Rio Vista, California Climate
United States
Pop. 8,348 Elev. 14 m / 46 ft
TZ: America/Los_Angeles (UTC-7) ·
Rio Vista has a dry climate with hot summers reaching 90°F (32°C) in August and cool winters averaging 41°F (5°C) in January. Humidity pushes the summer feels-like temperature to around 96°F (36°C). Rain falls on about 26 days per year (18.4 in / 468 mm total). The city averages 206 sunny days per year. Nearby lake water reaches 71°F (22°C) in summer.
| Temperature | 90°F (32°C) high | 41°F (5°C) low |
| Feels like | 96°F (35°C) high | 41°F (5°C) low |
| Rain | 26 days | 18.4 in (468 mm) /yr |
| Sky | 206 sunny | 14 stormy |
| Wind | 4.6 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 (%)
34
Jan 61
Feb 56
Mar 43
Apr 19
May 10
Jun 18
Jul 13
Aug 31
Sep 39
Oct 68
Nov 71
Dec Humidity (%)
62
Jan 71
Feb 68
Mar 60
Apr 47
May 54
Jun 61
Jul 54
Aug 60
Sep 66
Oct 82
Nov 85
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 23 mi Buchanan Field (CCR)
Ski resort 92 mi Bear Valley Adventure Company
National park 24 mi Old Sacramento State Historic Park
Mountain peak
(5,056 ft) 74 mi Baltic Peak
Hospital 14 mi Sutter Delta Medical Center
Hiking trail 9 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 14 mm | — | 19 |
| February | 63°F 17°C | 45°F 7°C | 6.6 in 167 mm | — | 6 |
| March | 67°F 19°C | 47°F 8°C | 2.4 in 60 mm | — | 10 |
| April | 75°F 24°C | 50°F 10°C | 0.3 in 7 mm | — | 14 |
| May | 84°F 29°C | 56°F 13°C | 0.1 in 2 mm | — | 26 |
| June | 85°F 29°C | 57°F 14°C | 0.0 in 0 mm | — | 30 |
| July | 84°F 29°C | 58°F 15°C | 0.0 in 0 mm | — | 28 |
| August | 90°F 32°C | 61°F 16°C | 0.0 in 0 mm | — | 29 |
| September | 87°F 30°C | 62°F 17°C | 0.1 in 2 mm | — | 20 |
| October | 76°F 24°C | 54°F 12°C | 1.9 in 49 mm | — | 17 |
| November | 66°F 19°C | 50°F 10°C | 3.8 in 96 mm | — | 5 |
| December | 56°F 13°C | 44°F 7°C | 2.8 in 72 mm | — | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 19 | 1 |
| February | 6 | 4 |
| March | 10 | 1 |
| April | 14 | 0 |
| May | 26 | 0 |
| June | 30 | 0 |
| July | 28 | 0 |
| August | 29 | 0 |
| September | 20 | 0 |
| October | 17 | 1 |
| November | 5 | 4 |
| December | 2 | 3 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 49°F 9°C |
| February | 49°F 10°C |
| March | 53°F 12°C |
| April | 59°F 15°C |
| May | 64°F 18°C |
| June | 66°F 19°C |
| July | 67°F 20°C |
| August | 70°F 21°C |
| September | 71°F 22°C |
| October | 64°F 18°C |
| November | 59°F 15°C |
| December | 51°F 11°C |