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
The beginning of January in Snoqualmie Pass records an average high-temperature of a wintry 32°F (0°C), almost echoing the conditions of the previous month. The mean low-temperature during January nights in Snoqualmie Pass, Washington, is a subzero cold 21.4°F (-5.9°C).Humidity
January and February, with an average relative humidity of 93%, are the most humid months.Rainfall
January is the month with the most rainfall. Rain falls for 6.8 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Snoqualmie Pass. The month with the most snowfall in Snoqualmie Pass, Washington, is January, when snow falls for 20.3 days and typically aggregates up to 27.72" (704mm) of snow.Daylight
In Snoqualmie Pass, the average length of the day in January is 8h and 59min.On the first day of the month, sunrise is at 7:52 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:05 pm PST.
Sunshine
The months with the least sunshine in Snoqualmie Pass are January and February, with an average of 3h of sunshine.UV index
The months with the lowest UV index in Snoqualmie Pass are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 1 in January transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is January in Snoqualmie Pass?
What is the most humid month in Snoqualmie Pass?
What is the average humidity in January in Snoqualmie Pass?
What is the rainiest month in Snoqualmie Pass?
How many days does it rain in January in Snoqualmie Pass?
What is the snowiest month in Snoqualmie Pass?
How many days does it snow in January in Snoqualmie Pass?
How many hours of daylight does Snoqualmie Pass have in January?
When is the sunrise / sunset in January in Snoqualmie Pass?
What is the month with the least sunshine in Snoqualmie Pass?
How many hours of sunshine does Snoqualmie Pass have in January?
What is the month with the lowest UV index in Snoqualmie Pass?
What is the UV index intensity in January in Snoqualmie Pass?
Average temperature in January
Snoqualmie Pass, WA
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in January: 21.4°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in January
Snoqualmie Pass, WA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in January
Snoqualmie Pass, WA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in January
Snoqualmie Pass, WA
- Average humidity in January: 93%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Snoqualmie Pass, WA
- Average rainfall in January: 4.21"
The wettest month (with the highest rainfall) is January (4.21").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Snoqualmie Pass, WA
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Snoqualmie Pass, WA
- Average snowfall in January: 27.72"
The month with the highest snowfall is January (27.72").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Snoqualmie Pass, WA
- Average snowfall days in January: 20.3 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Snoqualmie Pass, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in January
Snoqualmie Pass, WA
- Average sunshine days in January: 8.9 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is February (6 days).
Average UV index in January
Snoqualmie Pass, WA
- Average UV index in January: 1
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 1).
Average cloud cover in January
Snoqualmie Pass, WA
- Average cloud cover in January: 69
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Snoqualmie Pass, WA
- Average visibility in January: 3mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March and December (3mi).
Snoqualmie Pass, Washington, USA
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