February weather forecast
San Francisco, CA

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A beautiful dusk view of the Golden Gate Bridge in San Francisco, California
A beautiful dusk view of the Golden Gate Bridge in San Francisco, California

Weather in February

San Francisco's February weather is slightly milder compared to January, with warmer days but few signs of spring yet. A noticeable change comes in the form of reduced average rainfall and lower humidity levels, creating a drier environment. February marks the end of winter’s strong grip, setting the stage for the transition to spring. While winters in San Francisco are generally not severe, the subtle increase in sunshine hours becomes more evident. March, on the horizon, introduces a warmer and more vibrant ambiance to the city.

Temperature

San Francisco sees the arrival of February with an average high-temperature of a still moderate 57.9°F (14.4°C), indicating a subtle variation from January. During February nights, San Francisco witnesses a consistent average temperature of 46.2°F (7.9°C).

Humidity

In February, the average relative humidity in San Francisco, California, is 74%.

Rainfall

The month with the most rainfall in San Francisco is February, when the rain falls for 6 days and typically aggregates up to 1.38" (35mm) of precipitation.

Ocean temperature

In San Francisco, in February, the average water temperature is 53.2°F (11.8°C).
Note: Entering waters of 53.2°F (11.8°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.

Daylight

The average length of the day in February in San Francisco is 10h and 49min.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:32 pm. On the last day of February, sunrise is at 6:41 am and sunset at 6:02 pm PST.

Sunshine

In San Francisco, the average sunshine in February is 6.2h.

UV index

January, February, November 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 moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During February, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the temperature in February in San Francisco?

The average high-temperature, in February, in San Francisco, is 57.9°F (14.4°C), while the average low-temperature is 46.2°F (7.9°C).

What is the average humidity in February in San Francisco?

In February, the average relative humidity in San Francisco is 74%.

What is the wettest month in San Francisco?

The month with the most rainfall in San Francisco is February, when the rain falls for 6 days and typically aggregates up to 1.38" (35mm) of precipitation.

How many days does it rain in February in San Francisco?

In February, in San Francisco, the rain falls for 6 days. Throughout February, 1.38" (35mm) of precipitation is accumulated.

What is the water temperature in February in San Francisco?

In San Francisco, in February, the average water temperature is 53.2°F (11.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does San Francisco have in February?

In San Francisco, the average day length in February is 10h and 49min.

When are sunrise and sunset in February in San Francisco?

On the first day of February in San Francisco, sunrise is at 7:13 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:02 pm PST.

How many hours of sunshine does San Francisco have in February?

The average sunshine duration in February in San Francisco is 6.2h.

What are the months with the lowest UV index in San Francisco?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in San Francisco.

What is the UV index intensity in February in San Francisco?

The average daily maximum UV index in February in San Francisco is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
San Francisco, CA

Average temperature in February - San Francisco, CA
  • Average high temperature in February: 57.9°F

The warmest month (with the highest average high temperature) is September (73.2°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in February: 46.2°F

The month with the highest average low temperature is September (56.7°F).
The coldest months (with the lowest average low temperature) are January and December (45.9°F).

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Average pressure in February
San Francisco, CA

Average pressure in February - San Francisco, CA
  • Average pressure in February: 30.08"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in February
San Francisco, CA

Average wind speed in February - San Francisco, CA
  • Average wind speed in February: 6.8mph

The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.5mph).

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Average humidity in February
San Francisco, CA

Average humidity in February - San Francisco, CA
  • Average humidity in February: 74%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in February
San Francisco, CA

Average rainfall in February - San Francisco, CA
  • Average rainfall in February: 1.38"

The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are July, August and September (0.08").

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Average rainfall days in February
San Francisco, CA

Average rainfall days in February - San Francisco, CA
  • Average rainfall days in February: 6 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in February
San Francisco, CA

Average sea temperature in February - San Francisco, CA
  • Average sea temperature in February: 53.3°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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Average daylight in February /
Average sunshine in February
San Francisco, CA

Average daylight in February / Average sunshine in February - 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in February
San Francisco, CA

Average sunshine days in February - San Francisco, CA
  • Average sunshine days in February: 21.3 days

The month with the most sunshine days is October (25.8 days).
The month with the least sunshine days is March (20.8 days).

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Average UV index in February
San Francisco, CA

Average UV index in February - San Francisco, CA
  • Average UV index in February: 3

The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in February
San Francisco, CA

Average cloud cover in February - San Francisco, CA
  • Average cloud cover in February: 31

The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 14).

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Average visibility in February
San Francisco, CA

Average visibility in February - 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).

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San Francisco, California, USA

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