February weather forecast and climate
South San Francisco, CA

A sign in large font of the South San Francisco City, California, on the hills over the scenic home setting below
A sign in large font of the South San Francisco City, California, on the hills over the scenic home setting below

Weather in February

The last month of the winter, February, is another mild month in South San Francisco, California, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 47.8°F (8.8°C).

Temperature

In South San Francisco, the average high-temperature is almost the same as in January - a still mild 57.2°F (14°C). In South San Francisco, in February, the average low-temperature is 47.8°F (8.8°C).

Humidity

The average relative humidity in February is 74%.

Rainfall

February is the month with the most rainfall. Rain falls for 6.1 days and accumulates 0.79" (20mm) of precipitation.

Daylight

The average length of the day in South San Francisco is 10.8h.

Sunshine

The average sunshine in February is 6.2h.

UV index

Months with the lowest UV index in South San Francisco are February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average 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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in February in South San Francisco?

In February, in South San Francisco, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in February in South San Francisco?

The average relative humidity in February in South San Francisco, California, is 74%.

How much does it rain in South San Francisco in February?

In South San Francisco, in February, it is raining for 6.1 days, with typically 0.79" (20mm) of accumulated precipitation.

What is the rainiest month in South San Francisco?

February is the month with the most rainfall in South San Francisco, California. Rain falls for 6.1 days and accumulates 0.79" (20mm) of precipitation.

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

In South San Francisco, California, the average length of the day in February is 10.8h.

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

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

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

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

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

In February, the average daily maximum UV index in South San Francisco is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in February
South San Francisco, CA

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

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).

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Average pressure in February
South San Francisco, CA

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

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in February
South San Francisco, CA

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).

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Average humidity in February
South San Francisco, CA

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

The month with the highest relative humidity is August (78%).
Months with the lowest relative humidity are October and November (71%).

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Average rainfall in February
South San Francisco, CA

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").

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Average rainfall days in February
South San Francisco, CA

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).

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

Average daylight in February / Average sunshine in February - South San Francisco, CA
  • Average daylight in February: 10.8h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in February: 6.2h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in February
South San Francisco, CA

Average sunshine days in February - South San Francisco, CA
  • Average sunshine days in February: 20.8 days

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).

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Average UV index in February
South San Francisco, CA

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

Months with the highest UV index are June, July, August and September (UV index 5).
Months with the lowest UV index are February and December (UV index 3).

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Average cloud cover in February
South San Francisco, CA

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).

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Average visibility in February
South San Francisco, CA

Average visibility in February - South San Francisco, CA
  • Average visibility in February: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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