January weather forecast
Arapahoe, WY

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Weather in January

January, like December, is another subzero cold winter month in Arapahoe, Wyoming, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 14.5°F (-9.7°C).

Temperature

Arapahoe's weather in January indicates an average high-temperature of a still freezing cold 31.5°F (-0.3°C), nearly consistent with the 30.9°F (-0.6°C) of December. Arapahoe registers a consistent average low-temperature of 14.5°F (-9.7°C) during January.

Humidity

January is the most humid month, with an average relative humidity of 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.5 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Arapahoe, in January, during 5.6 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, there are 42.7 snowfall days, and 24.92" (633mm) of snow is accumulated.

Daylight

In Arapahoe, the average length of the day in January is 9h and 27min.
On the first day of January, sunrise is at 7:45 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:24 pm MST.

Sunshine

The month with the least sunshine is January, with an average of 6.6h of sunshine.

UV index

January, February, November and 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 minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

The high-temperature, in January, in Arapahoe, records 31.5°F (-0.3°C), while the low-temperature is 14.5°F (-9.7°C).

What is the most humid month?

January is the most humid month in Arapahoe, with an average relative humidity of 77%.

What is the average humidity in January?

In January, the average relative humidity is 77%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 2.5 days and typically collects 0.24" (6mm) of precipitation.

How much does it rain in Arapahoe in January?

In Arapahoe, in January, during 2.5 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

How many days does it snow in January?

In January, it is snowing for 5.6 days. Throughout January, 1.69" (43mm) of snow is accumulated.

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

In Arapahoe, the average day length in January is 9h and 27min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:45 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:24 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 6.6h of sunshine.

How many hours of sunshine does Arapahoe have in January?

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

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Arapahoe, WY

Average temperature in January - Arapahoe, WY
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in January: 14.5°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in January
Arapahoe, WY

Average pressure in January - Arapahoe, WY
  • Average pressure in January: 30.22"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Arapahoe, WY

Average wind speed in January - Arapahoe, WY
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in January
Arapahoe, WY

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

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in January
Arapahoe, WY

Average rainfall in January - Arapahoe, WY
  • Average rainfall in January: 0.24"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in January
Arapahoe, WY

Average rainfall days in January - Arapahoe, WY
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in January
Arapahoe, WY

Average snowfall in January - Arapahoe, WY
  • Average snowfall in January: 1.69"

The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Arapahoe, WY

Average snowfall days in January - Arapahoe, WY
  • Average snowfall days in January: 5.6 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Arapahoe, 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 January (Average sunshine: 6h and 36min).

Average sunshine days in January
Arapahoe, WY

Average sunshine days in January - Arapahoe, WY
  • Average sunshine days in January: 24.5 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).

Average UV index in January
Arapahoe, WY

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Arapahoe, WY

Average cloud cover in January - Arapahoe, WY
  • Average cloud cover in January: 25

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).

Average visibility in January
Arapahoe, WY

Average visibility in January - Arapahoe, 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).

Arapahoe, Wyoming, USA

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