January weather forecast
Arminto, WY

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Weather in January

January, like December, is a freezing cold winter month in Arminto, Wyoming, with an average temperature varying between 15.3°F (-9.3°C) and 29.3°F (-1.5°C).

Temperature

Arminto experiences an average high-temperature of a still freezing cold 29.3°F (-1.5°C) with the onset of January, subtly varied from December's 28.6°F (-1.9°C). An average nighttime temperature of 15.3°F (-9.3°C) is witnessed throughout January.

Humidity

The most humid month in Arminto is January, with an average relative humidity of 79%.

Rainfall

In January, in Arminto, the rain falls for 3.4 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. In Arminto, during the entire year, the rain falls for 81 days and collects up to 8.98" (228mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Arminto. In Arminto, in January, during 9.8 snowfall days, 3.82" (97mm) of snow is typically accumulated. In Arminto, during the entire year, snow falls for 62.6 days and aggregates up to 31.65" (804mm) of snow.

Daylight

In Arminto, the average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:44 pm. On the last day of January, in Arminto, sunrise is at 7:25 am and sunset at 5:19 pm MST.

Sunshine

The average sunshine in January is 6.6h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold is it in Arminto in January?

In Arminto, in January, the average high-temperature is 29.3°F (-1.5°C), and the average low-temperature is 15.3°F (-9.3°C).

What is the most humid month in Arminto?

January is the most humid month, with an average relative humidity of 79%.

What is the average humidity in January in Arminto?

In Arminto, the average relative humidity in January is 79%.

How much does it rain in Arminto in January?

In January, in Arminto, Wyoming, the rain falls for 3.4 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in January in Arminto?

In Arminto, Wyoming, in January, snow falls for 9.8 days, with typically accumulated 3.82" (97mm) of snow.

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

The average day length in January in Arminto, Wyoming, is 9h and 26min.

What time are sunrise and sunset in January in Arminto?

In January, on the first day of the month, sunrise is at 7:40 am and sunset at 4:44 pm. On the last day of the month, in Arminto, Wyoming, sunrise is at 7:25 am and sunset at 5:19 pm MST.

How long on average sun shines in January in Arminto?

In Arminto, Wyoming, the average sunshine duration in January is 6.6h.

When is the lowest UV index in Arminto?

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

What is the UV index intensity in January in Arminto?

In January, the average daily maximum UV index in Arminto is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Arminto, WY

Average temperature in January - Arminto, WY
  • Average high temperature in January: 29.3°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

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Average pressure in January
Arminto, WY

Average pressure in January - Arminto, WY
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in January
Arminto, WY

Average wind speed in January - Arminto, WY
  • Average wind speed in January: 11.9mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

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Average humidity in January
Arminto, WY

Average humidity in January - Arminto, WY
  • Average humidity in January: 79%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in January
Arminto, WY

Average rainfall in January - Arminto, WY
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in January
Arminto, WY

Average rainfall days in January - Arminto, WY
  • Average rainfall days in January: 3.4 days

The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).

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Average snowfall in January
Arminto, WY

Average snowfall in January - Arminto, WY
  • Average snowfall in January: 3.82"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Arminto, WY

Average snowfall days in January - Arminto, WY
  • Average snowfall days in January: 9.8 days

The month with the highest number of snowfall days is February (11.3 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
Arminto, WY

Average daylight in January / Average sunshine in January - Arminto, WY
  • Average daylight in January: 9h and 2min

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: 6h and 4min

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

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Average sunshine days in January
Arminto, WY

Average sunshine days in January - Arminto, WY
  • Average sunshine days in January: 20 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in January
Arminto, WY

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

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

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Average cloud cover in January
Arminto, WY

Average cloud cover in January - Arminto, WY
  • Average cloud cover in January: 30

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in January
Arminto, WY

Average visibility in January - Arminto, 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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Arminto, Wyoming, USA

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