Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Upon the onset of January, Snohomish witnesses an average high-temperature of a frosty 44.1°F (6.7°C), showing a close resemblance to the prior month. Snohomish's average low-temperature is measured at a wintry 34.7°F (1.5°C) during January.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Snohomish, during January, the rain falls for 15 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Snohomish, during the entire year, the rain falls for 140.3 days and collects up to 15.12" (384mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Snohomish, during January, snow falls for 1.7 days and regularly aggregates up to 0.91" (23mm) of snow. In Snohomish, during the entire year, snow falls for 7.7 days and aggregates up to 3.5" (89mm) of snow.Daylight
In January, the average length of the day in Snohomish is 8h and 55min.On the first day of January, sunrise is at 7:57 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:06 pm PST.
Sunshine
The average sunshine in January is 4.2h.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 the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Snohomish have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Snohomish, WA
- Average high temperature in January: 44.1°F
The warmest month (with the highest average high temperature) is August (74.7°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in January
Snohomish, 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
Snohomish, WA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in January
Snohomish, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Snohomish, WA
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is December (2.17").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in January
Snohomish, WA
- Average rainfall days in January: 15 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in January
Snohomish, WA
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Snohomish, WA
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.7 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
Snohomish, WA
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in January
Snohomish, WA
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in January
Snohomish, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Snohomish, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Snohomish, WA
- Average visibility in January: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
Snohomish, Washington, USA
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