Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
As January takes its course, Altamont's average high-temperature registers at a still freezing cold 27.7°F (-2.4°C), closely aligning with the preceding month. An average low-temperature of 10.8°F (-11.8°C) is recorded in the month of January in Altamont.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 87%.Rainfall
In Altamont, in January, during 6.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Altamont, there are 94.2 rainfall days, and 11.5" (292mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Altamont, in January, snow falls for 14.3 days, with typically accumulated 7.36" (187mm) of snow. In Altamont, during the entire year, snow falls for 99.3 days and aggregates up to 56.22" (1428mm) of snow.Daylight
In January, the average length of the day is 9h and 37min.On the first day of the month, sunrise is at 7:48 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:35 am and sunset at 5:37 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is January in Altamont?
What are the most humid months in Altamont?
What is the average humidity in January in Altamont?
How many days does it rain in January in Altamont?
How many days does it snow in January in Altamont?
What is the average length of the day in January in Altamont?
What time are sunrise and sunset in January in Altamont?
What is the month with the least sunshine in Altamont?
How long on average sun shines in January in Altamont?
What is the UV index intensity in January in Altamont?
Average temperature in January
Altamont, WY
- Average high temperature in January: 27.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Altamont, 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 (29.88"Hg).
Average wind speed in January
Altamont, WY
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in January
Altamont, WY
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in January
Altamont, WY
- Average rainfall in January: 0.94"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in January
Altamont, WY
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in January
Altamont, WY
- Average snowfall in January: 7.36"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Altamont, WY
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Altamont, 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: 5h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in January
Altamont, WY
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in January
Altamont, 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 November and December (UV index 1).
Average cloud cover in January
Altamont, WY
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
Altamont, WY
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Altamont, Wyoming, USA
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