January weather forecast
Glacier, WA

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Weather in January

January, the same as December, is another cold winter month in Glacier, Washington, with an average temperature fluctuating between 28.2°F (-2.1°C) and 37.9°F (3.3°C).

Temperature

Entering January, the average high-temperature is recorded at a still icy 37.9°F (3.3°C), exhibiting a minimal shift from December's 35.6°F (2°C). In the month of January, Glacier experiences an average low-temperature of 28.2°F (-2.1°C).

Humidity

January is the most humid month, with an average relative humidity of 90%.

Rainfall

January is the month with the most rainfall. Rain falls for 16.6 days and accumulates 10.39" (264mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Glacier, during January, snow falls for 8.8 days and regularly aggregates up to 19.21" (488mm) of snow. Throughout the year, there are 51.2 snowfall days, and 83.11" (2111mm) of snow is accumulated.

Daylight

In January, the average length of the day is 8h and 48min.
On the first day of January, sunrise is at 8:01 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:03 pm PST.

Sunshine

The average sunshine in January is 3.4h.

UV index

January and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Glacier in January?

The average high-temperature and low-temperature during January are 37.9°F (3.3°C) and 28.2°F (-2.1°C) respectively.

What is the most humid month?

January is the most humid month, with an average relative humidity of 90%.

What is the average humidity in January?

The average relative humidity in January in Glacier is 90%.

What is the rainiest month?

January is the month with the most rainfall. Rain falls for 16.6 days and accumulates 10.39" (264mm) of precipitation.

How many days does it rain in January?

In Glacier, Washington, in January, during 16.6 rainfall days, 10.39" (264mm) of precipitation is typically accumulated.

How much does it snow in January?

In Glacier, in January, during 8.8 snowfall days, 19.21" (488mm) of snow is typically accumulated.

What is the average length of the day in January?

In Glacier, the average day length in January is 8h and 48min.

What time are sunrise and sunset in January in Glacier?

On the first day of January, sunrise is at 8:01 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:03 pm PST.

How long on average sun shines in January?

In Glacier, the average sunshine duration in January is 3.4h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Glacier, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Glacier, WA

Average temperature in January - Glacier, WA
  • Average high temperature in January: 37.9°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 (35.6°F).

  • Average low temperature in January: 28.2°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

Average pressure in January
Glacier, WA

Average pressure in January - Glacier, WA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are May, June, August and September (30"Hg).

Average wind speed in January
Glacier, WA

Average wind speed in January - Glacier, WA
  • Average wind speed in January: 4.6mph

The windiest month (with the highest average wind speed) is January (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in January
Glacier, WA

Average humidity in January - Glacier, WA
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (74%).

Average rainfall in January
Glacier, WA

Average rainfall in January - Glacier, WA
  • Average rainfall in January: 10.39"

The wettest month (with the highest rainfall) is January (10.39").
The driest month (with the least rainfall) is July (1.5").

Average rainfall days in January
Glacier, WA

Average rainfall days in January - Glacier, WA
  • Average rainfall days in January: 16.6 days

The month with the highest number of rainy days is April (21.3 days).
The month with the least rainy days is August (10.3 days).

Average snowfall in January
Glacier, WA

Average snowfall in January - Glacier, WA
  • Average snowfall in January: 19.21"

The month with the highest snowfall is February (22.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Glacier, WA

Average snowfall days in January - Glacier, WA
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Glacier, WA

Average daylight in January / Average sunshine in January - Glacier, WA
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in January
Glacier, WA

Average sunshine days in January - Glacier, WA
  • Average sunshine days in January: 10.1 days

The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.8 days).

Average UV index in January
Glacier, WA

Average UV index in January - Glacier, 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 and November (UV index 1).

Average cloud cover in January
Glacier, WA

Average cloud cover in January - Glacier, WA
  • Average cloud cover in January: 64

The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in January
Glacier, WA

Average visibility in January - Glacier, WA
  • Average visibility in January: 4mi

The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).

Glacier, Washington, USA

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