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
The arrival of February brings an average high-temperature of a still mild 57.7°F (14.3°C), subtly diverging from January's 56.8°F (13.8°C). Throughout February, San Mateo's nights cool down to an average of 47.1°F (8.4°C).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 February, sunrise is at 7:12 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:02 pm PST.
Sunshine
In February, the average sunshine is 6.3h.UV index
February and December, with an average maximum UV index of 3, are months with the lowest UV index in San Mateo. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In February, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in February?
What is the average humidity in February?
What is the rainiest month?
How much does it rain in February?
What is the average length of the day in February?
What time are sunrise and sunset in February?
How many hours of sunshine does San Mateo have in February?
When is the lowest UV index?
What is the UV index reading in February?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
San Mateo, California, USA
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