Yountville, California Climate

United States

Pop. 3,017 Elev. 30 m / 98 ft TZ: America/Los_Angeles (UTC-7) ·

Yountville has a dry climate with hot summers reaching 93°F (34°C) in August and cool winters averaging 41°F (5°C) in January. Humidity pushes the summer feels-like temperature to around 98°F (37°C). Rain falls on about 27 days per year (22.2 in / 565 mm total). The city averages 222 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.

Temperature 93°F (34°C) high 41°F (5°C) low
Feels like 98°F (37°C) high 41°F (5°C) low
Rain 27 days 22.2 in (565 mm) /yr
Sky 222 sunny 17 stormy
Wind 2.7 mph (1.2 m/s) avg

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Monthly Climate Chart

↓ Monthly data table
Best months to visit: Jan, Apr, May, Jun, Jul, Sep, Oct

Sky & Air by Month

Cloud cover (%)
30
Jan
60
Feb
55
Mar
45
Apr
20
May
9
Jun
14
Jul
10
Aug
32
Sep
40
Oct
63
Nov
58
Dec
Humidity (%)
53
Jan
69
Feb
66
Mar
59
Apr
44
May
47
Jun
54
Jul
44
Aug
54
Sep
61
Oct
77
Nov
80
Dec

Weather Days by Month

↓ Weather days table

Water Temperatures

↓ Water temperatures table

Cities with Similar Climate

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Nearby Cities

Nearby

Commercial airport 26 mi Charles M. Schulz Sonoma County Airport (STS)
Ski resort 125 mi Sugar Bowl Resort
National park 11 mi Jack London State Historic Park
Mountain peak (6,113 ft) 62 mi Goat Mountain
Hospital 1 mi Holderman Memorial Hospital
Hiking trail 12 mi Bay Area Ridge Trail - 01 - North Bay

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Monthly Weather Data

↑ See chart
Month Avg High Avg Low Rainfall Snowfall Sunny Days
January 63°F 17°C 41°F 5°C 0.6 in 15 mm 23
February 62°F 17°C 43°F 6°C 7.5 in 190 mm 7
March 65°F 19°C 45°F 7°C 2.8 in 71 mm 0.2 in5 mm 12
April 74°F 23°C 49°F 9°C 0.2 in 5 mm 14
May 84°F 29°C 55°F 13°C 0.1 in 2 mm 26
June 88°F 31°C 57°F 14°C 0.0 in 0 mm 29
July 87°F 31°C 58°F 15°C 0.0 in 1 mm 29
August 93°F 34°C 61°F 16°C 0.0 in 0 mm 30
September 87°F 31°C 61°F 16°C 0.3 in 9 mm 19
October 76°F 24°C 52°F 11°C 2.0 in 52 mm 16
November 67°F 19°C 49°F 9°C 3.3 in 85 mm 6
December 57°F 14°C 45°F 7°C 5.3 in 135 mm 11

Weather Days by Month

↑ See chart
Month Sunny Days Storm Days
January 23 0
February 7 4
March 12 3
April 14 0
May 26 0
June 29 0
July 29 0
August 30 0
September 19 0
October 16 1
November 6 4
December 11 5

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