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Cloudy
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Updated:1:56pm PST | |
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51°F
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Wind Spd:12.66 mph | |
| Wind Dir:NW (310°) | ||
| Pressure:29.93 in | ||
| Dewpoint:44°F | ||
| Feels Like:47°F | ||
| Metric (°C) | Visibility:10.00 mi |
7-day Forecast / 10-day Forecast
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Latitude: 37°37'N,
Longitude: 122°23'W,
Elevation: 8.0 ft,
Distance: 3.58 mi
South San Francisco, CA Averages »
| Unit | Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average temperature over 50 years |
°F | 57 | 48 | 51 | 53 | 55 | 57 | 60 | 62 | 62 | 64 | 60 | 55 | 50 |
| Average high temperature over 50 years |
°F | 64 | 55 | 59 | 60 | 64 | 66 | 69 | 71 | 71 | 73 | 69 | 62 | 55 |
| Average low temperature over 50 years |
°F | 48 | 42 | 44 | 46 | 46 | 50 | 51 | 53 | 53 | 53 | 51 | 46 | 43 |
| Highest recorded temperature over 50 years |
°F | 105 | 71 | 77 | 84 | 91 | 96 | 105 | 105 | 100 | 102 | 98 | 84 | 75 |
| Lowest recorded temperature over 50 years |
°F | 24 | 26 | 30 | 31 | 36 | 39 | 43 | 44 | 44 | 41 | 37 | 31 | 24 |
| Average number of rainy days over 66 years |
days | 62 | 11 | 10 | 10 | 6 | 3 | 1 | - | - | 1 | 4 | 7 | 10 |
| Average number of days above 90°F over 50 years |
days | 4 | - | - | - | - | - | 1 | 1 | - | 1 | - | - | - |
| Average precipitation over 50 years |
in | 19.3 | 4.2 | 3.2 | 3.0 | 1.3 | 0.3 | 0.1 | - | - | 0.2 | 1.0 | 2.3 | 3.5 |
| Average dew point over 43 years |
°F | 46 | 42 | 44 | 44 | 44 | 46 | 50 | 51 | 53 | 51 | 50 | 46 | 42 |
| Average number of days above 70°F over 50 years |
days | 105 | - | 1 | 3 | 5 | 8 | 13 | 18 | 20 | 20 | 14 | 4 | - |
| Most recorded rainfall over 50 years |
in | 38.3 | 11.3 | 9.5 | 9.0 | 6.4 | 3.8 | 0.9 | 0.3 | 0.7 | 2.3 | 7.3 | 7.9 | 12.3 |
| Least recorded rainfall over 50 years |
in | 8.7 | 0.2 | - | - | - | - | - | - | - | - | - | - | - |
| Average number of days with thunderstorms over 50 years |
days | 5 | - | - | - | - | - | - | - | - | - | - | - | - |
| Average number of days with fog over 50 years |
days | 99 | 17 | 12 | 7 | 4 | 4 | 3 | 4 | 4 | 6 | 9 | 12 | 17 |
| Average morning relative humidity over 43 years |
% | 82 | 87 | 86 | 82 | 79 | 78 | 77 | 81 | 83 | 82 | 83 | 85 | 86 |
| Average evening relative humidity over 43 years |
% | 63 | 68 | 66 | 64 | 62 | 61 | 60 | 61 | 62 | 60 | 60 | 63 | 68 |
| Average wind speed over 43 years |
mph | 13.0 | 9.0 | 12.0 | 13.0 | 14.0 | 16.0 | 16.0 | 14.0 | 13.0 | 12.0 | 12.0 | 11.0 | 10.0 |
| Average number of days below 32°F over 50 years |
days | 3 | 1 | - | - | - | - | - | - | - | - | - | - | 1 |
| Average number of clear days over 66 years |
days | 160 | 8 | 8 | 9 | 11 | 14 | 16 | 21 | 19 | 18 | 15 | 11 | 10 |
| Heating degree days over 30 years |
days | 3016 | 505 | 358 | 363 | 287 | 218 | 121 | 92 | 68 | 79 | 135 | 306 | 484 |
| Cooling degree days over 30 years |
days | 145 | - | - | - | 5 | - | 16 | 21 | 28 | 64 | 11 | - | - |
| Average number of cloudy days over 66 years |
days | 104 | 15 | 13 | 13 | 10 | 7 | 5 | 3 | 3 | 4 | 7 | 11 | 14 |
| Average number of partly cloudy days over 66 years |
days | 101 | 8 | 7 | 9 | 9 | 10 | 9 | 7 | 9 | 8 | 9 | 8 | 7 |
Check weather averages for nearby locations (some locations might offer more data):
Average temperature of February: 51°F.
Average high temperature: 59°F.
Average low temperature: 44°F.
South San Francisco, CA Averages »
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