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 shift from January to February is characterized by an average high-temperature of a still mild 59.7°F (15.4°C), not significantly different from the 55.9°F (13.3°C) of January. Nightly temperatures drop to an average low of 42.3°F (5.7°C) in February.Humidity
The average relative humidity in February is 73%.Rainfall
The month with the most rainfall is February, when the rain falls for 8.6 days and typically aggregates up to 2.17" (55mm) of precipitation.Daylight
In February, the average length of the day is 10h and 49min.On the first day of the month, sunrise is at 7:11 am and sunset at 5:29 pm. On the last day of February, in Rio Vista, sunrise is at 6:38 am and sunset at 5:59 pm PST.
Sunshine
The average sunshine in February is 6.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in February translates into these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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 is the temperature in February?
What is the average humidity in February?
What is the wettest month?
How much does it rain in February?
How many hours of daylight does Rio Vista have in February?
When is the sunrise / sunset in February?
How long on average sun shines in February?
When is the lowest UV index?
What is the UV index reading in February?
Average temperature in February
Rio Vista, CA
- Average high temperature in February: 59.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in February: 42.3°F
The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in February
Rio Vista, CA
- Average pressure in February: 30.08"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in February
Rio Vista, CA
- Average wind speed in February: 6mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in February
Rio Vista, CA
- Average humidity in February: 73%
The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).
Average rainfall in February
Rio Vista, CA
- Average rainfall in February: 2.17"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").
Average rainfall days in February
Rio Vista, CA
- Average rainfall days in February: 8.6 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).
Average daylight in February /
Average sunshine in February
Rio Vista, CA
- Average daylight in February: 10h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in February: 6h and 1min
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
Rio Vista, CA
- Average sunshine days in February: 18.5 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in February
Rio Vista, CA
- Average UV index in February: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in February
Rio Vista, CA
- Average cloud cover in February: 32
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in February
Rio Vista, 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).
Rio Vista, California, USA
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