January weather forecast
Snoqualmie Pass, WA

Weather in January

January in Snoqualmie Pass, Washington, is a wintry winter month, with an average temperature varying between 32°F (0°C) and 21.4°F (-5.9°C).

Temperature

In Snoqualmie Pass, the average high-temperature in January is almost the same as in December - a wintry 32°F (0°C). In Snoqualmie Pass, in January, the average low-temperature is 21.4°F (-5.9°C).

Humidity

January and February, with an average relative humidity of 93%, are the most humid months in Snoqualmie Pass, Washington.

Rainfall

The month with the most rainfall in Snoqualmie Pass is January, when the rain falls for 6.8 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

Months with snowfall in Snoqualmie Pass are January through June, September through December. January is the month with the most snowfall. Snow falls for 20.3 days and accumulates 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, in Snoqualmie Pass, sunrise is at 7:32 am and sunset at 5:05 pm PST.

Sunshine

The months with the least sunshine are January and February, with an average of 3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Snoqualmie Pass. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the most humid months in Snoqualmie Pass?

January and February, with an average relative humidity of 93%, are most humid months in Snoqualmie Pass.

What is the average humidity in January in Snoqualmie Pass?

In Snoqualmie Pass, Washington, the average relative humidity in January is 93%.

What is the rainiest month in Snoqualmie Pass?

The month with the most rainfall in Snoqualmie Pass is January, when the rain falls for 6.8 days and typically aggregates up to 4.21" (107mm) of precipitation.

How much does it rain in Snoqualmie Pass in January?

In Snoqualmie Pass, in January, it is raining for 6.8 days, with typically 4.21" (107mm) of accumulated precipitation.

When does it snow the most 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.

How much does it snow in Snoqualmie Pass in January?

In January, it is snowing for 20.3 days. Throughout January, 27.72" (704mm) of snow is accumulated.

How many hours of daylight does Snoqualmie Pass have in January?

The average day length in January in Snoqualmie Pass is 8h and 59min.

When are sunrise and sunset in January in Snoqualmie Pass?

On the first day of January in Snoqualmie Pass, sunrise is at 7:52 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:05 pm PST.

What is the month with the least sunshine in Snoqualmie Pass?

The months with the least sunshine in Snoqualmie Pass, Washington, are January and February, with an average of 3h of sunshine.

How long on average sun shines in January in Snoqualmie Pass?

In January, the average sunshine duration in Snoqualmie Pass, Washington, is 3h.

What are the months with the lowest UV index in Snoqualmie Pass?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in January in Snoqualmie Pass?

In January, the average daily maximum UV index in Snoqualmie Pass, Washington, is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Snoqualmie Pass, WA

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).

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Average pressure in January
Snoqualmie Pass, WA

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).

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Average wind speed in January
Snoqualmie Pass, WA

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).

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Average humidity in January
Snoqualmie Pass, WA

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%).

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Average rainfall in January
Snoqualmie Pass, WA

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").

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Average rainfall days in January
Snoqualmie Pass, WA

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).

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Average snowfall in January
Snoqualmie Pass, WA

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").

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Average snowfall days in January
Snoqualmie Pass, WA

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).

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Average daylight in January /
Average sunshine in January
Snoqualmie Pass, WA

Average daylight in January / Average sunshine in January - Snoqualmie Pass, WA
  • Average daylight in January: 8h and 59min

The month with the longest days is June (Average daylight: 15h and 53min).
The month with the shortest days is December (Average daylight: 8h and 32min).

  • 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).

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Average sunshine days in January
Snoqualmie Pass, WA

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).

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Average UV index in January
Snoqualmie Pass, WA

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).

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Average cloud cover in January
Snoqualmie Pass, WA

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).

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Average visibility in January
Snoqualmie Pass, WA

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).

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