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Climate & Weather Averages in Main Top, California, USA

Currently: 59 °F. Passing clouds. (Weather station: San Francisco International Airport, USA). See more current weather

Annual Weather Averages in San Francisco International Airport

San Francisco International Airport is 35 miles from Main Top, so the actual climate in Main Top can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
57
45
4.01
Feb
60
47
3.93
Mar
62
48
2.58
Apr
64
50
1.35
May
67
52
0.48
Jun
70
54
0.14
Jul
71
56
0.01
Aug
72
57
0.04
Sep
73
56
0.08
Oct
71
54
0.94
Nov
63
49
2
Dec
57
45
4.3

All Year Climate & Weather Averages in Main Top

High Temp: 73 °F

Low Temp: 45 °F

Mean Temp: 58 °F

Precipitation: 1.66"

Humidity: 72%

Dew Point: 49 °F

Wind: 17 mph

Pressure: 30.03 "Hg

Visibility: 10 mi

January Climate & Weather Averages in Main Top

High Temp: 57 °F

Low Temp: 45 °F

Mean Temp: 51 °F

Precipitation: 4.01"

Humidity: 79%

Dew Point: 45 °F

Wind: 9 mph

Pressure: 30.14 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Main Top

High Temp: 60 °F

Low Temp: 47 °F

Mean Temp: 53 °F

Precipitation: 3.93"

Humidity: 76%

Dew Point: 45 °F

Wind: 13 mph

Pressure: 30.08 "Hg

Visibility: 10 mi

March Climate & Weather Averages in Main Top

High Temp: 62 °F

Low Temp: 48 °F

Mean Temp: 55 °F

Precipitation: 2.58"

Humidity: 73%

Dew Point: 46 °F

Wind: 16 mph

Pressure: 30.07 "Hg

Visibility: 10 mi

April Climate & Weather Averages in Main Top

High Temp: 64 °F

Low Temp: 50 °F

Mean Temp: 57 °F

Precipitation: 1.35"

Humidity: 69%

Dew Point: 46 °F

Wind: 21 mph

Pressure: 30.05 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Main Top

High Temp: 67 °F

Low Temp: 52 °F

Mean Temp: 60 °F

Precipitation: 0.48"

Humidity: 69%

Dew Point: 48 °F

Wind: 24 mph

Pressure: 30.00 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Main Top

High Temp: 70 °F

Low Temp: 54 °F

Mean Temp: 62 °F

Precipitation: 0.14"

Humidity: 68%

Dew Point: 51 °F

Wind: 24 mph

Pressure: 29.95 "Hg

Visibility: 11 mi

July Climate & Weather Averages in Main Top

High Temp: 71 °F

Low Temp: 56 °F

Mean Temp: 64 °F

Precipitation: 0.01"

Humidity: 71%

Dew Point: 53 °F

Wind: 23 mph

Pressure: 29.95 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Main Top

High Temp: 72 °F

Low Temp: 57 °F

Mean Temp: 65 °F

Precipitation: 0.04"

Humidity: 72%

Dew Point: 54 °F

Wind: 22 mph

Pressure: 29.94 "Hg

Visibility: 10 mi

September Climate & Weather Averages in Main Top

High Temp: 73 °F

Low Temp: 56 °F

Mean Temp: 65 °F

Precipitation: 0.08"

Humidity: 70%

Dew Point: 53 °F

Wind: 19 mph

Pressure: 29.93 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Main Top

High Temp: 71 °F

Low Temp: 54 °F

Mean Temp: 62 °F

Precipitation: 0.94"

Humidity: 68%

Dew Point: 50 °F

Wind: 14 mph

Pressure: 30.00 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Main Top

High Temp: 63 °F

Low Temp: 49 °F

Mean Temp: 56 °F

Precipitation: 2.00"

Humidity: 74%

Dew Point: 48 °F

Wind: 10 mph

Pressure: 30.10 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Main Top

High Temp: 57 °F

Low Temp: 45 °F

Mean Temp: 51 °F

Precipitation: 4.30"

Humidity: 77%

Dew Point: 44 °F

Wind: 10 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthSeptember (65 °F avg)
Coldest MonthDecember (51 °F avg)
Wettest MonthDecember (4.30" avg)
Windiest MonthJune (24 mph avg)
Annual precip.19.86" (per year)

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