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
The advent of January brings an average high-temperature of a still freezing cold 27.1°F (-2.7°C), exhibiting minor difference from the previous month. An average low-temperature of 8.6°F (-13°C) marks the nights throughout January.Humidity
The average relative humidity in January is 81%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.1 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Altonah, during January, snow falls for 10.2 days and regularly aggregates up to 3.58" (91mm) of snow. Throughout the year, there are 87 snowfall days, and 51.73" (1314mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 41min.On the first day of January, sunrise is at 7:44 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:37 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 6.2h of sunshine.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Altonah have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Altonah, UT
- Average high temperature in January: 27.1°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in January: 8.6°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in January
Altonah, UT
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Altonah, UT
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Altonah, UT
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June and July (44%).
Average rainfall in January
Altonah, UT
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Altonah, UT
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in January
Altonah, UT
- Average snowfall in January: 3.58"
The month with the highest snowfall is March (10.24").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Altonah, UT
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is March (13.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in January /
Average sunshine in January
Altonah, UT
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in January
Altonah, UT
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
Altonah, UT
- Average UV index in January: 2
The month with the highest UV index is July (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
Altonah, UT
- Average cloud cover in January: 33
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in January
Altonah, UT
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Altonah, Utah, USA
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