February weather forecast
San Francisco, CA

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

February, the last month of the winter in San Francisco, is also a moderate month, with an average temperature varying between 46.2°F (7.9°C) and 57.9°F (14.4°C).

Temperature

In San Francisco, the average high-temperature in February is essentially the same as in January - a still mild 57.9°F (14.4°C). In San Francisco, California, the average low-temperature is 46.2°F (7.9°C).

Humidity

In San Francisco, the average relative humidity in February 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 February, the average ocean temperature in San Francisco is 53.2°F (11.8°C).
Note: Swimming in 53.2°F (11.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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 5:33 pm. On the last day of February, in San Francisco, sunrise is at 6:42 am and sunset at 6:02 pm PST.

Sunshine

In February, the average sunshine is 6.2h.

UV index

The months with the lowest UV index in San Francisco are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in February interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in February in San Francisco?

In February, the average high-temperature is 57.9°F (14.4°C), and the average low-temperature is 46.2°F (7.9°C).

What is the average humidity in February in San Francisco?

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

What is the rainiest month in San Francisco?

February is the month with the most rainfall in San Francisco, California. Rain falls for 6 days and accumulates 1.38" (35mm) of precipitation.

How much does it rain in San Francisco in February?

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

What is the ocean temperature in February in San Francisco?

In San Francisco, California, in February, the average water temperature is 53.2°F (11.8°C). Swimming in 53.2°F (11.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average day length in February in San Francisco is 10h and 49min.

When is the sunrise / sunset in February in San Francisco?

In February, on the first day of the month, sunrise is at 7:13 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:02 pm PST.

How long on average sun shines in February in San Francisco?

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

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

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

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

In February, the average daily maximum UV index in San Francisco, California, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

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 49min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in February: 6h and 12min

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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