January weather forecast
Afton, WY

Share

Weather in January

January in Afton, Wyoming, witnesses a blustering mix of predominant snow and chilling temperatures. The contiguous cold, marked by minimum temperatures reaching 5.4°F (-14.8°C), often blankets the city with a hefty 19.06" (484mm) of snowfall over the span of almost 20 days. Blustery winds and ample cloud cover, coupled with merely 9.5 hours of daylight, ensure the days remain frigidly nippy. Despite the harshness, the winter landscape is an enthralling sight, especially for snow aficionados. Travelers, nonetheless, are advised to dress heavily and stay weather alert.

Temperature

Afton's average high-temperature in January is a still freezing cold 25.5°F (-3.6°C), marking an insignificant difference from the 24.1°F (-4.4°C) of December. Afton cools down to an average low-temperature of 5.4°F (-14.8°C) throughout the month of January.

Humidity

The average relative humidity in January is 92%.

Rainfall

In Afton, in January, during 4.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Afton, during the entire year, the rain falls for 109.5 days and collects up to 21.61" (549mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Afton. In Afton, in January, snow falls for 19.7 days, with typically accumulated 19.06" (484mm) of snow. In Afton, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.

Daylight

The average length of the day in January in Afton is 9h and 28min.
On the first day of the month, sunrise is at 7:54 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:39 am and sunset at 5:35 pm MST.

Sunshine

In January, the average sunshine is 4.5h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Afton. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

An average high-temperature, in January, in Afton, is 25.5°F (-3.6°C) and the average low-temperature is 5.4°F (-14.8°C).

What is the average humidity in January?

The average relative humidity in January is 92%.

How many days does it rain in January?

In January, the rain falls for 4.7 days. Throughout January, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 19.7 days. Throughout January, 19.06" (484mm) of snow is accumulated.

How many hours of daylight does Afton have in January?

In Afton, the average day length in January is 9h and 28min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:54 am and sunset at 5:00 pm. On the last day of the month, in Afton, sunrise is at 7:39 am and sunset at 5:35 pm MST.

How long on average sun shines in January in Afton?

In January, the average sunshine duration is 4.5h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Afton, 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
Afton, WY

Average temperature in January - Afton, WY
  • Average high temperature in January: 25.5°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).

  • Average low temperature in January: 5.4°F

The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in January
Afton, WY

Average pressure in January - Afton, WY
  • Average pressure in January: 30.29"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Afton, WY

Average wind speed in January - Afton, WY
  • Average wind speed in January: 4.2mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).

Average humidity in January
Afton, WY

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

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).

Average rainfall in January
Afton, WY

Average rainfall in January - Afton, WY
  • Average rainfall in January: 2.32"

The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").

Average rainfall days in January
Afton, WY

Average rainfall days in January - Afton, WY
  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in January
Afton, WY

Average snowfall in January - Afton, WY
  • Average snowfall in January: 19.06"

The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Afton, WY

Average snowfall days in January - Afton, WY
  • Average snowfall days in January: 19.7 days

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

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 4h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
Afton, WY

Average sunshine days in January - Afton, WY
  • Average sunshine days in January: 11.5 days

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).

Average UV index in January
Afton, WY

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

Average cloud cover in January
Afton, WY

Average cloud cover in January - Afton, WY
  • Average cloud cover in January: 56

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in January
Afton, WY

Average visibility in January - Afton, WY
  • Average visibility in January: 3mi

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

Afton, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location