January weather forecast
Washam, WY

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Weather in January

January, like December, is another subzero cold winter month in Washam, Wyoming, with an average temperature fluctuating between 12.4°F (-10.9°C) and 28.4°F (-2°C).

Temperature

Washam registers an average high-temperature of a still subzero cold 28.4°F (-2°C) with the arrival of January, showing minor deviation from the preceding month. Washam's average low-temperature during January nights is observed to be a frigid cold 12.4°F (-10.9°C).

Humidity

In January, the average relative humidity in Washam is 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 4.7 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Washam. In Washam, in January, during 10.8 snowfall days, 5.04" (128mm) of snow is typically accumulated. In Washam, during the entire year, snow falls for 84.4 days and aggregates up to 56.22" (1428mm) of snow.

Daylight

The average length of the day in January in Washam is 9h and 38min.
On the first day of January in Washam, Wyoming, sunrise is at 7:43 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:34 pm MST.

Sunshine

January and December, with an average of 6.4h of sunshine, are months with the least sunshine in Washam.

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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Washam in January?

The average high-temperature and low-temperature in Washam during January are 28.4°F (-2°C) and 12.4°F (-10.9°C) respectively.

What is the average humidity in January in Washam?

The average relative humidity in January in Washam, Wyoming, is 77%.

What is the driest month in Washam?

The month with the least rainfall in Washam, Wyoming, is January, when the rain falls for 4.7 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain in Washam in January?

In January, in Washam, Wyoming, the rain falls for 4.7 days. Throughout January, 0.67" (17mm) of precipitation is accumulated.

How many days does it snow in January in Washam?

In Washam, Wyoming, in January, during 10.8 snowfall days, 5.04" (128mm) of snow is typically accumulated.

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

In January, the average day length is 9h and 38min.

When is the sunrise / sunset in January in Washam?

On the first day of January in Washam, Wyoming, sunrise is at 7:43 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:34 pm MST.

What are the months with the least sunshine in Washam?

January and December, with an average of 6.4h of sunshine, are months with the least sunshine in Washam.

How many hours of sunshine does Washam have in January?

The average sunshine duration in January in Washam is 6.4h.

When is the lowest UV index in Washam?

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

What is the UV index reading in January in Washam?

In January, the average daily maximum UV index in Washam is 2. A UV Index reading 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
Washam, WY

Average temperature in January - Washam, WY
  • Average high temperature in January: 28.4°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).

Average pressure in January
Washam, WY

Average pressure in January - Washam, 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 (29.88"Hg).

Average wind speed in January
Washam, WY

Average wind speed in January - Washam, WY
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in January
Washam, WY

Average humidity in January - Washam, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in January
Washam, WY

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

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in January
Washam, WY

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

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is November (3 days).

Average snowfall in January
Washam, WY

Average snowfall in January - Washam, WY
  • Average snowfall in January: 5.04"

The month with the highest snowfall is March (9.57").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Washam, WY

Average snowfall days in January - Washam, WY
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is February (13.7 days).
The months with the least snowfall days are July and August (0 days).

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

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

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

  • Average sunshine in January: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).

Average sunshine days in January
Washam, WY

Average sunshine days in January - Washam, WY
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in January
Washam, WY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
Washam, WY

Average cloud cover in January - Washam, WY
  • Average cloud cover in January: 29

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in January
Washam, WY

Average visibility in January - Washam, WY
  • Average visibility in January: 6mi

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

Washam, Wyoming, USA

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