January weather forecast
Moose, WY

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Weather in January

In Moose, Wyoming, the beginning of the year is marked with heavy snowfall. The temperature often drifts from 23.4°F (-4.8°C), the high, to 4.3°F (-15.4°C), the low. The weather is typically cold and brisk, with increasingly shorter daylight hours. Despite the chilling temperature, the town is blanketed with a serene white beauty. As winter is at its peak, many winter sports enthusiasts embrace January's climatic harshness.

Temperature

Moose observes a minor difference in average high-temperatures between December's 21°F (-6.1°C) and January's 23.4°F (-4.8°C). During the month of January, Moose's nighttime temperature lowers to an average of 4.3°F (-15.4°C).

Humidity

In January, the average relative humidity is 93%.

Rainfall

In Moose, during January, the rain falls for 3.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Moose, during the entire year, the rain falls for 116.8 days and collects up to 27.95" (710mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Moose, in January, during 19.6 snowfall days, 22.6" (574mm) of snow is typically accumulated. In Moose, during the entire year, snow falls for 130.7 days and aggregates up to 137.48" (3492mm) of snow.

Daylight

In January, the average length of the day is 9h and 23min.
On the first day of the month, sunrise is at 7:56 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:40 am and sunset at 5:32 pm MST.

Sunshine

The average sunshine in January is 3.7h.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 1 in January leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

The average high-temperature and low-temperature during January are 23.4°F (-4.8°C) and 4.3°F (-15.4°C) respectively.

What is the average humidity in January?

In Moose, Wyoming, the average relative humidity in January is 93%.

How many days does it rain in January?

In January, the rain falls for 3.9 days. Throughout January, 2.72" (69mm) of precipitation is accumulated.

How many days does it snow in January?

In Moose, during January, snow falls for 19.6 days and regularly aggregates up to 22.6" (574mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 23min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:56 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:32 pm MST.

How long on average sun shines in January?

In Moose, the average sunshine duration in January is 3.7h.

When is the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1.

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Moose, WY

Average temperature in January - Moose, WY
  • Average high temperature in January: 23.4°F

The warmest month (with the highest average high temperature) is July (72°F).
The month with the lowest average high temperature is December (21°F).

  • Average low temperature in January: 4.3°F

The month with the highest average low temperature is July (43.9°F).
The coldest month (with the lowest average low temperature) is December (4.1°F).

Average pressure in January
Moose, WY

Average pressure in January - Moose, WY
  • Average pressure in January: 30.27"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Moose, WY

Average wind speed in January - Moose, WY
  • Average wind speed in January: 4.5mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

Average humidity in January
Moose, WY

Average humidity in January - Moose, WY
  • Average humidity in January: 93%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).

Average rainfall in January
Moose, WY

Average rainfall in January - Moose, WY
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is February (3.23").
The driest month (with the least rainfall) is August (1.42").

Average rainfall days in January
Moose, WY

Average rainfall days in January - Moose, WY
  • Average rainfall days in January: 3.9 days

The month with the highest number of rainy days is May (16.2 days).
The months with the least rainy days are January and February (3.9 days).

Average snowfall in January
Moose, WY

Average snowfall in January - Moose, WY
  • Average snowfall in January: 22.6"

The month with the highest snowfall is February (25.94").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Moose, WY

Average snowfall days in January - Moose, WY
  • Average snowfall days in January: 19.6 days

The month with the highest number of snowfall days is December (21.7 days).
The month with the least snowfall days is July (0 days).

Average daylight in January /
Average sunshine in January
Moose, WY

Average daylight in January / Average sunshine in January - Moose, WY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in January
Moose, WY

Average sunshine days in January - Moose, WY
  • Average sunshine days in January: 12.2 days

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (7 days).

Average UV index in January
Moose, WY

Average UV index in January - Moose, WY
  • 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, March, October, November and December (UV index 1).

Average cloud cover in January
Moose, WY

Average cloud cover in January - Moose, WY
  • Average cloud cover in January: 64

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Moose, WY

Average visibility in January - Moose, WY
  • Average visibility in January: 2mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).

Moose, Wyoming, USA

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