January weather forecastSnoqualmie, WA
January
Weather in January
January, the same as December, is another cold winter month in Snoqualmie, Washington, with an average temperature varying between 41.5°F (5.3°C) and 30.9°F (-0.6°C).Temperature
The shift into January finds Snoqualmie at an average high-temperature of a still icy 41.5°F (5.3°C), closely comparable to December's conditions. In Snoqualmie, January nights cool down to an average of 30.9°F (-0.6°C).Humidity
January and February, with an average relative humidity of 87%, are the most humid months in Snoqualmie, Washington.Rainfall
The month with the most rainfall is January, when the rain falls for 18.4 days and typically aggregates up to 6.1" (155mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, in Snoqualmie, it is snowing for 2.7 days. Throughout January, 2.99" (76mm) of snow is accumulated. In Snoqualmie, Washington, during the entire year, snow falls for 17.4 days and aggregates up to 11.38" (289mm) of snow.Daylight
In January, the average length of the day in Snoqualmie is 8h and 58min.On the first day of January in Snoqualmie, sunrise is at 7:55 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:06 pm PST.
Sunshine
January and December, with an average of 3.9h of sunshine, are months with the least sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Snoqualmie, WA
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (39.7°F).
- Average low temperature in January: 30.9°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure in January
Snoqualmie, WA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in January
Snoqualmie, WA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in January
Snoqualmie, WA
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Snoqualmie, WA
- Average rainfall in January: 6.1"
The wettest month (with the highest rainfall) is January (6.1").
The driest months (with the least rainfall) are July and August (0.59").
Average rainfall days in January
Snoqualmie, WA
- Average rainfall days in January: 18.4 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in January
Snoqualmie, WA
- Average snowfall in January: 2.99"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Snoqualmie, WA
- Average snowfall days in January: 2.7 days
The month with the highest number of snowfall days is February (5.4 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
Snoqualmie, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in January
Snoqualmie, WA
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in January
Snoqualmie, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Snoqualmie, WA
- Average cloud cover in January: 59
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Snoqualmie, WA
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
