February weather forecast
San Mateo, CA

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A breathtaking view of the scenic spot of the Devil
A breathtaking view of the scenic spot of the Devil's Slide Sheer Cliff over the pacific Coast in San Mateo, California

Weather in February

February in San Mateo remains relatively cool with an average minimum temperature of 47.1°F (8.4°C), coupled with slightly higher humidity levels. Residents and visitors should be prepared for potential rainfall, as this month records up to 0.55" (14mm) of rainfall. Despite this, February offers more daylight and sunshine hours when compared to January, an encouraging sign that spring is around the corner. February's weather conditions are ideal for those who don't mind a little coolness and appreciate the rejuvenating touch of occasional rain showers.

Temperature

The onset of February in San Mateo notes an average high-temperature of a still refreshing 57.7°F (14.3°C), subtly shifted from January's 56.8°F (13.8°C). San Mateo records a mean low-temperature of 47.1°F (8.4°C) in February.

Humidity

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

Rainfall

February is the month with the most rainfall. Rain falls for 3.2 days and accumulates 0.55" (14mm) of precipitation.

Daylight

In San Mateo, the average length of the day in February is 10h and 50min.
On the first day of the month, sunrise is at 7:12 am and sunset at 5:32 pm. On the last day of February, in San Mateo, California, sunrise is at 6:40 am and sunset at 6:02 pm PST.

Sunshine

The average sunshine in February is 6.3h.

UV index

February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during February translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are the temperatures in San Mateo in February?

In San Mateo, 57.7°F (14.3°C) is the average high-temperature and 47.1°F (8.4°C) is the average low-temperature during February.

What is the average humidity in February in San Mateo?

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

What is the wettest month in San Mateo?

The month with the most rainfall is February, when the rain falls for 3.2 days and typically aggregates up to 0.55" (14mm) of precipitation.

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

In February, in San Mateo, California, the rain falls for 3.2 days. Throughout February, 0.55" (14mm) of precipitation is accumulated.

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

In San Mateo, California, the average day length in February is 10h and 50min.

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

In February, on the first day of the month, sunrise is at 7:12 am and sunset at 5:32 pm. On the last day of the month, in San Mateo, California, sunrise is at 6:40 am and sunset at 6:02 pm PST.

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

In San Mateo, the average sunshine duration in February is 6.3h.

When is the lowest UV index in San Mateo?

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

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

The average daily maximum UV index in February in San Mateo is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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 Mateo, CA

Average temperature in February - San Mateo, CA
  • Average high temperature in February: 57.7°F

The warmest months (with the highest average high temperature) are August and September (71.2°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in February: 47.1°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

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Average pressure in February
San Mateo, CA

Average pressure in February - San Mateo, 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).

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Average wind speed in February
San Mateo, CA

Average wind speed in February - San Mateo, CA
  • Average wind speed in February: 7.4mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.9mph).

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Average humidity in February
San Mateo, CA

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

The months with the highest relative humidity are March and August (76%).
The months with the lowest relative humidity are October and November (70%).

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Average rainfall in February
San Mateo, CA

Average rainfall in February - San Mateo, CA
  • Average rainfall in February: 0.55"

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and August (0").

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Average rainfall days in February
San Mateo, CA

Average rainfall days in February - San Mateo, CA
  • Average rainfall days in February: 3.2 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is July (0.3 days).

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

Average daylight in February / Average sunshine in February - San Mateo, 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 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in February
San Mateo, CA

Average sunshine days in February - San Mateo, CA
  • Average sunshine days in February: 23.3 days

The month with the most sunshine days is July (30.4 days).
The month with the least sunshine days is February (23.3 days).

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Average UV index in February
San Mateo, CA

Average UV index in February - San Mateo, 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).

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Average cloud cover in February
San Mateo, CA

Average cloud cover in February - San Mateo, CA
  • Average cloud cover in February: 32

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in February
San Mateo, CA

Average visibility in February - San Mateo, 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 Mateo, California, USA

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