January weather forecast
Yanceys, WY

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Weather in January

January, the same as December, in Yanceys, Wyoming, is a freezing cold winter month, with an average temperature fluctuating between 4.5°F (-15.3°C) and 21°F (-6.1°C).

Temperature

Yanceys's shift into January sets the average high-temperature at a still freezing cold 21°F (-6.1°C), a figure that deviates only slightly from December's 18.9°F (-7.3°C). Throughout the month of January, the nighttime temperature dips to an average of 4.5°F (-15.3°C).

Humidity

In Yanceys, the average relative humidity in January is 92%.

Rainfall

In Yanceys, in January, during 2.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Yanceys, during the entire year, the rain falls for 102.8 days and collects up to 23.98" (609mm) of precipitation.

Snowfall

January through December are months with snowfall. In Yanceys, in January, during 22.7 snowfall days, 15.75" (400mm) of snow is typically accumulated. Throughout the year, there are 186.1 snowfall days, and 135.16" (3433mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 15min.
On the first day of January, sunrise is at 7:59 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:27 pm MST.

Sunshine

In Yanceys, Wyoming, the average sunshine in January is 3.9h.

UV index

The months with the lowest UV index in Yanceys are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 1 in January translates into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

An average high-temperature, in January, in Yanceys, is 21°F (-6.1°C) and the average low-temperature is 4.5°F (-15.3°C).

What is the average humidity in January?

In January, the average relative humidity is 92%.

How much does it rain in January?

In January, the rain falls for 2.8 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

How much does it snow in January?

In January, in Yanceys, Wyoming, it is snowing for 22.7 days. Throughout January, 15.75" (400mm) of snow is accumulated.

What is the average length of the day in January?

In Yanceys, the average day length in January is 9h and 15min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:59 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:27 pm MST.

How many hours of sunshine does Yanceys have in January?

The average sunshine duration in January is 3.9h.

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

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Yanceys, WY

Average temperature in January - Yanceys, WY
  • Average high temperature in January: 21°F

The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (18.9°F).

  • Average low temperature in January: 4.5°F

The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is December (2.5°F).

Average pressure in January
Yanceys, WY

Average pressure in January - Yanceys, 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 (29.91"Hg).

Average wind speed in January
Yanceys, WY

Average wind speed in January - Yanceys, WY
  • Average wind speed in January: 6.8mph

The windiest months (with the highest average wind speed) are February and June (7.3mph).
The calmest month (with the lowest average wind speed) is May (6mph).

Average humidity in January
Yanceys, WY

Average humidity in January - Yanceys, WY
  • Average humidity in January: 92%

The months with the highest relative humidity are February and March (93%).
The months with the lowest relative humidity are July and August (51%).

Average rainfall in January
Yanceys, WY

Average rainfall in January - Yanceys, WY
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is July (1.02").

Average rainfall days in January
Yanceys, WY

Average rainfall days in January - Yanceys, WY
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in January
Yanceys, WY

Average snowfall in January - Yanceys, WY
  • Average snowfall in January: 15.75"

The month with the highest snowfall is April (19.69").
The month with the least snowfall is July (0.24").

Average snowfall days in January
Yanceys, WY

Average snowfall days in January - Yanceys, WY
  • Average snowfall days in January: 22.7 days

The month with the highest number of snowfall days is March (25.6 days).
The month with the least snowfall days is July (0.4 days).

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

Average daylight in January / Average sunshine in January - Yanceys, WY
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in January
Yanceys, WY

Average sunshine days in January - Yanceys, WY
  • Average sunshine days in January: 9.2 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (3.1 days).

Average UV index in January
Yanceys, WY

Average UV index in January - Yanceys, 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, April, October, November and December (UV index 1).

Average cloud cover in January
Yanceys, WY

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

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in January
Yanceys, WY

Average visibility in January - Yanceys, WY
  • Average visibility in January: 4mi

The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is February (3mi).

Yanceys, Wyoming, USA

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