January weather forecast
Altamont, UT

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Weather in January

January, the same as December, in Altamont, Utah, is another subzero cold winter month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 11.7°F (-11.3°C).

Temperature

The months of January and December bring the lowest temperatures, averaging a high of 28.9°F (-1.7°C).

Humidity

January is the most humid month, with an average relative humidity of 82%.

Rainfall

In Altamont, during January, the rain falls for 7.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 124.1 rainfall days, and 12.87" (327mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Altamont, during January, snow falls for 10.8 days and regularly aggregates up to 5.79" (147mm) of snow. Throughout the year, there are 55.2 snowfall days, and 33.5" (851mm) 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 7:43 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

January has the least sunshine of the year in Altamont, with an average of 6.4h of sunshine.

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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Altamont's temperatures tend to hit their minimum during January and December, with an average high-temperature of 28.9°F (-1.7°C).

How cold is it in Altamont in January?

In January, in Altamont, the average high-temperature is 28.9°F (-1.7°C), and the average low-temperature is 11.7°F (-11.3°C).

What is the most humid month?

With an average relative humidity of 82%, January is the most humid month.

What is the average humidity in January?

In January, the average relative humidity is 82%.

How much does it rain in January?

In January, the rain falls for 7.1 days. Throughout January, 0.79" (20mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 10.8 days. Throughout January, 5.79" (147mm) of snow is accumulated.

How many hours of daylight does Altamont have in January?

The average day length in January is 9h and 41min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:43 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.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 6.4h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 6.4h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Altamont, UT

Average temperature in January - Altamont, UT
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The months with the lowest average high temperature are January and December (28.9°F).

  • Average low temperature in January: 11.7°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in January
Altamont, UT

Average pressure in January - Altamont, 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 (29.86"Hg).

Average wind speed in January
Altamont, UT

Average wind speed in January - Altamont, UT
  • Average wind speed in January: 5.7mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in January
Altamont, UT

Average humidity in January - Altamont, UT
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (36%).

Average rainfall in January
Altamont, UT

Average rainfall in January - Altamont, UT
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in January
Altamont, UT

Average rainfall days in January - Altamont, UT
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.2 days).

Average snowfall in January
Altamont, UT

Average snowfall in January - Altamont, UT
  • Average snowfall in January: 5.79"

The month with the highest snowfall is February (7.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Altamont, UT

Average snowfall days in January - Altamont, UT
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Altamont, UT

Average daylight in January / Average sunshine in January - Altamont, 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 24min).

  • Average sunshine in January: 6h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in January
Altamont, UT

Average sunshine days in January - Altamont, UT
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in January
Altamont, UT

Average UV index in January - Altamont, UT
  • 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, October, November and December (UV index 2).

Average cloud cover in January
Altamont, UT

Average cloud cover in January - Altamont, UT
  • Average cloud cover in January: 30

The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are June and September (Cloud cover 13).

Average visibility in January
Altamont, UT

Average visibility in January - Altamont, 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).

Altamont, Utah, USA

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