January weather forecast
Superior, WY

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Weather in January

January, like December, is another subzero cold winter month in Superior, Wyoming, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 26.6°F (-3°C).

Temperature

Superior signifies an average high-temperature of a still freezing cold 26.6°F (-3°C) in January, closely mirroring the 25.7°F (-3.5°C) of December. Superior's temperature drops to an average low of 10.8°F (-11.8°C) during the nights of January.

Humidity

The most humid month is January, with an average relative humidity of 84%.

Rainfall

In Superior, Wyoming, during January, the rain falls for 5.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Superior, there are 93.5 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Superior. In January, in Superior, it is snowing for 13.3 days. Throughout January, 4.37" (111mm) of snow is accumulated. Throughout the year, in Superior, there are 75.5 snowfall days, and 30.16" (766mm) of snow is accumulated.

Daylight

In Superior, the average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:43 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:29 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.9h of sunshine.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Superior. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Superior?

During January, Superior experiences an average high-temperature of 26.6°F (-3°C) and a low-temperature of 10.8°F (-11.8°C).

What is the most humid month in Superior?

With an average relative humidity of 84%, January is the most humid month.

What is the average humidity in January in Superior?

In January, the average relative humidity in Superior, Wyoming, is 84%.

How much does it rain in Superior in January?

In Superior, in January, it is raining for 5.6 days, with typically 0.67" (17mm) of accumulated precipitation.

How much does it snow in Superior in January?

In Superior, in January, snow falls for 13.3 days, with typically accumulated 4.37" (111mm) of snow.

What is the average length of the day in January in Superior?

In Superior, Wyoming, the average day length in January is 9h and 34min.

When are sunrise and sunset in January in Superior?

On the first day of January, sunrise is at 7:43 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:29 pm MST.

What are the months with the least sunshine in Superior?

January and December, with an average of 5.9h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Superior?

The average sunshine duration in January in Superior is 5.9h.

What is the month with the lowest UV index in Superior?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What is the UV index reading in January in Superior?

In January, the average daily maximum UV index in Superior, Wyoming, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Superior, WY

Average temperature in January - Superior, WY
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in January
Superior, WY

Average pressure in January - Superior, WY
  • Average pressure in January: 30.28"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Superior, WY

Average wind speed in January - Superior, WY
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in January
Superior, WY

Average humidity in January - Superior, WY
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in January
Superior, WY

Average rainfall in January - Superior, WY
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in January
Superior, WY

Average rainfall days in January - Superior, WY
  • Average rainfall days in January: 5.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

Average snowfall in January
Superior, WY

Average snowfall in January - Superior, WY
  • Average snowfall in January: 4.37"

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Superior, WY

Average snowfall days in January - Superior, WY
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Superior, WY
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days in January
Superior, WY

Average sunshine days in January - Superior, WY
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in January
Superior, WY

Average UV index in January - Superior, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
Superior, WY

Average cloud cover in January - Superior, WY
  • Average cloud cover in January: 41

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in January
Superior, WY

Average visibility in January - Superior, WY
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Superior, Wyoming, USA

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