February weather forecastMercer Island, WA
February
Weather in February
The last month of the winter, February, is another chilly month in Mercer Island, Washington, with an average temperature varying between 34.5°F (1.4°C) and 46°F (7.8°C).Temperature
In February, the average high-temperature registers at a still chilly 46°F (7.8°C), nearly identical to January's 44.4°F (6.9°C). Mercer Island experiences an average low-temperature of 34.5°F (1.4°C) in the month of February.Humidity
The average relative humidity in February in Mercer Island is 84%.Rainfall
In February, the rain falls for 11.3 days. Throughout February, 1.34" (34mm) of precipitation is accumulated. In Mercer Island, during the entire year, the rain falls for 119.1 days and collects up to 11.97" (304mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. February is the month with the most snowfall. Snow falls for 3 days and accumulates 1.77" (45mm) of snow.Daylight
In February, the average length of the day in Mercer Island, Washington, is 10h and 17min.On the first day of the month, sunrise is at 7:35 am and sunset at 5:09 pm. On the last day of February, in Mercer Island, sunrise is at 6:49 am and sunset at 5:53 pm PST.
Sunshine
In February, the average sunshine in Mercer Island is 4.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during February, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Mercer Island, WA
- Average high temperature in February: 46°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in February: 34.5°F
The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).
Average pressure in February
Mercer Island, WA
- Average pressure in February: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in February
Mercer Island, WA
- Average wind speed in February: 4.8mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in February
Mercer Island, WA
- Average humidity in February: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in February
Mercer Island, WA
- Average rainfall in February: 1.34"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in February
Mercer Island, WA
- Average rainfall days in February: 11.3 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in February
Mercer Island, WA
- Average snowfall in February: 1.77"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in February
Mercer Island, WA
- Average snowfall days in February: 3 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in February /
Average sunshine in February
Mercer Island, WA
- Average daylight in February: 10h and 18min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in February: 4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in February
Mercer Island, WA
- Average sunshine days in February: 13.8 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in February
Mercer Island, WA
- Average UV index in February: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in February
Mercer Island, WA
- Average cloud cover in February: 54
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in February
Mercer Island, WA
- Average visibility in February: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
