January weather forecast
South Pass City, WY

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Weather in January

January, like December, is another subzero cold winter month in South Pass City, Wyoming, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 29.7°F (-1.3°C).

Temperature

Entering January, the average high-temperature is recorded at a still subzero cold 29.7°F (-1.3°C), exhibiting a minimal shift from December's 28.4°F (-2°C). In South Pass City, the average low-temperature during the month of January is an extreme cold 13.5°F (-10.3°C).

Humidity

In South Pass City, the average relative humidity in January is 77%.

Rainfall

The month with the least rainfall in South Pass City, Wyoming, is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In South Pass City, during January, snow falls for 8.4 days and regularly aggregates up to 3.03" (77mm) of snow. Throughout the year, in South Pass City, there are 56.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.

Daylight

In South Pass City, the average length of the day in January is 9h and 29min.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:27 pm MST.

Sunshine

In January, the average sunshine is 6.9h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is January in South Pass City?

The average high-temperature and low-temperature in South Pass City, Wyoming, during January are 29.7°F (-1.3°C) and 13.5°F (-10.3°C) respectively.

What is the average humidity in January in South Pass City?

In January, the average relative humidity is 77%.

What is the driest month in South Pass City?

The month with the least rainfall in South Pass City is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January in South Pass City?

In South Pass City, Wyoming, during January, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in January in South Pass City?

In South Pass City, Wyoming, during January, snow falls for 8.4 days and regularly aggregates up to 3.03" (77mm) of snow.

How many hours of daylight does South Pass City have in January?

In January, the average day length in South Pass City is 9h and 29min.

What time are sunrise and sunset in January in South Pass City?

On the first day of January in South Pass City, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm MST.

How long on average sun shines in January in South Pass City?

The average sunshine duration in January is 6.9h.

When is the lowest UV index in South Pass City?

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 South Pass City?

In January, the average daily maximum UV index in South Pass City is 2. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Pass City, WY

Average temperature in January - South Pass City, WY
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in January
South Pass City, WY

Average pressure in January - South Pass City, WY
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in January
South Pass City, WY

Average wind speed in January - South Pass City, WY
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in January
South Pass City, WY

Average humidity in January - South Pass City, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in January
South Pass City, WY

Average rainfall in January - South Pass City, WY
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
South Pass City, WY

Average rainfall days in January - South Pass City, WY
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

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Average snowfall in January
South Pass City, WY

Average snowfall in January - South Pass City, WY
  • Average snowfall in January: 3.03"

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
South Pass City, WY

Average snowfall days in January - South Pass City, WY
  • Average snowfall days in January: 8.4 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
South Pass City, WY

Average daylight in January / Average sunshine in January - South Pass City, WY
  • Average daylight in January: 9h and 3min

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 6min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in January
South Pass City, WY

Average sunshine days in January - South Pass City, WY
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).

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Average UV index in January
South Pass City, WY

Average UV index in January - South Pass City, 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).

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Average cloud cover in January
South Pass City, WY

Average cloud cover in January - South Pass City, WY
  • Average cloud cover in January: 23

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in January
South Pass City, WY

Average visibility in January - South Pass City, WY
  • Average visibility in January: 6mi

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

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South Pass City, Wyoming, USA

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