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
Sunnyvale's weather, upon February's arrival, documents an average high-temperature of a still moderate 59.7°F (15.4°C), nearly identical to the prior month. During the nights in February, the temperature in Sunnyvale averages to a chilly 44.2°F (6.8°C).Humidity
In February, the average relative humidity is 72%.Rainfall
The wettest months in Sunnyvale are February and March, with an average 0.75" (19mm) of rainfall.Daylight
The average length of the day in February is 10h and 50min.On the first day of the month, sunrise is at 7:11 am and sunset at 5:32 pm. On the last day of February, sunrise is at 6:39 am and sunset at 6:01 pm PST.
Sunshine
The average sunshine in February is 6.4h.UV index
The months with the lowest UV index in Sunnyvale are February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during February leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in February?
What is the average humidity in February?
What is the rainiest month?
How much does it rain in February?
How many hours of daylight does Sunnyvale have in February?
When are sunrise and sunset in February?
How long on average sun shines in February?
What is the month with the lowest UV index?
What is the UV index reading in February?
Average temperature in February
Sunnyvale, CA
- Average high temperature in February: 59.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (56.8°F).
- Average low temperature in February: 44.2°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are February and December (44.2°F).
Average pressure in February
Sunnyvale, 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 and September (29.92"Hg).
Average wind speed in February
Sunnyvale, CA
- Average wind speed in February: 5.7mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in February
Sunnyvale, CA
- Average humidity in February: 72%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in February
Sunnyvale, CA
- Average rainfall in February: 0.75"
The wettest months (with the highest rainfall) are February and March (0.75").
The driest month (with the least rainfall) is July (0").
Average rainfall days in February
Sunnyvale, CA
- Average rainfall days in February: 5.4 days
The month with the highest number of rainy days is March (9.6 days).
The month with the least rainy days is August (0.4 days).
Average daylight in February /
Average sunshine in February
Sunnyvale, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in February
Sunnyvale, CA
- Average sunshine days in February: 21 days
The month with the most sunshine days is August (30.1 days).
The month with the least sunshine days is March (19.9 days).
Average UV index in February
Sunnyvale, CA
- Average UV index in February: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in February
Sunnyvale, CA
- Average cloud cover in February: 31
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in February
Sunnyvale, 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).
Sunnyvale, California, USA
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