Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
February's climate shows a minor adjustment in average high-temperatures to a still moderate 57.2°F (14°C) from January's 56.3°F (13.5°C). Throughout February, the average low-temperature dips to a frosty 47.8°F (8.8°C).Humidity
In South San Francisco, the average relative humidity in February is 74%.Rainfall
The month with the most rainfall is February, when the rain falls for 6.1 days and typically aggregates up to 0.79" (20mm) of precipitation.Daylight
In February, the average length of the day is 10h and 50min.On the first day of the month, sunrise is at 7:13 am and sunset at 5:33 pm. On the last day of February, sunrise is at 6:41 am and sunset at 6:02 pm PST.
Sunshine
In South San Francisco, the average sunshine in February is 6.2h.UV index
February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in February interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in February?
What is the average humidity in February?
What is the wettest month?
How much does it rain in February?
What is the average length of the day in February?
When are sunrise and sunset in February?
How long on average sun shines in February?
What are the months with the lowest UV index?
How high is the UV index in February?
Average temperature in February
South San Francisco, CA
- Average high temperature in February: 57.2°F
The warmest month (with the highest average high temperature) is September (70°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in February: 47.8°F
The months with the highest average low temperature are August and September (56.5°F).
The coldest months (with the lowest average low temperature) are January, February and December (47.8°F).
Average pressure in February
South San Francisco, CA
- Average pressure in February: 30.08"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in February
South San Francisco, CA
- Average wind speed in February: 7.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in February
South San Francisco, CA
- Average humidity in February: 74%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in February
South San Francisco, CA
- Average rainfall in February: 0.79"
The wettest month (with the highest rainfall) is February (0.79").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in February
South San Francisco, CA
- Average rainfall days in February: 6.1 days
The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is June (1.1 days).
Average daylight in February /
Average sunshine in February
South San Francisco, CA
- Average daylight in February: 10h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in February: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in February
South San Francisco, CA
- Average sunshine days in February: 20.8 days
The months with the most sunshine days are June, July and September (26.3 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in February
South San Francisco, CA
- Average UV index in February: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in February
South San Francisco, CA
- Average cloud cover in February: 32
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in February
South San Francisco, CA
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
South San Francisco, California, USA
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