January weather forecastBellevue, WA
January
Weather in January
January in Bellevue, Washington represents the outset of the year with its cold, damp winter/climate. The frosty days, evenings and nights are coupled with mostly cloudy skies, contributing to the overall chilly atmosphere. This month brings with it a small but notable amount of snowfall, 0.67" (17mm) perhaps adding a snowy blanket or two to Bellevue. It is pertinent to bundle up as the wind chill lowers the overall temperature quite a bit. With limited sunshine hours, Bellevue residents would find it essential to completely utilize daylight for their everyday activities.Temperature
Bellevue's shift into January is marked by a subtle change to a still frosty 44.4°F (6.9°C) from December's 42.8°F (6°C) in temperature. January's average low-temperature reading in Bellevue settles at an icy 35.2°F (1.8°C).Humidity
The most humid month in Bellevue is January, with an average relative humidity of 85%.Rainfall
In January, the rain falls for 11.8 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. In Bellevue, 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. In Bellevue, in January, snow falls for 1.3 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, in Bellevue, Washington, there are 7 snowfall days, and 3.27" (83mm) of snow is accumulated.Daylight
In January, the average length of the day in Bellevue is 8h and 58min.On the first day of January in Bellevue, sunrise is at 7:56 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:07 pm PST.
Sunshine
In Bellevue, the average sunshine in January is 4.4h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Bellevue, WA
- Average high temperature in January: 44.4°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 January: 35.2°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 January
Bellevue, WA
- Average pressure in January: 30.1"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 January
Bellevue, WA
- Average wind speed in January: 5mph
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 January
Bellevue, WA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Bellevue, WA
- Average rainfall in January: 1.54"
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 January
Bellevue, WA
- Average rainfall days in January: 11.8 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 January
Bellevue, WA
- Average snowfall in January: 0.67"
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 January
Bellevue, WA
- Average snowfall days in January: 1.3 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 January /
Average sunshine in January
Bellevue, WA
- Average daylight in January: 9h and 0min
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 January: 4h and 24min
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 January
Bellevue, WA
- Average sunshine days in January: 17.1 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 January
Bellevue, WA
- Average UV index in January: 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 January
Bellevue, WA
- Average cloud cover in January: 55
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 January
Bellevue, WA
- Average visibility in January: 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).
