January weather forecast
Vernal, UT

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Great scenery of the rocky and sandy Arch in Vernal, Utah
Great scenery of the rocky and sandy Arch in Vernal, Utah

Weather in January

January in Vernal, Utah, USA begins with chilly winter weather characterized by snowfall. Residents prepare for colder temperatures, with highs averaging around 30°F (-1.1°C) and lows plunging to 12.7°F (-10.7°C). The biting chill proves to be the main characteristic of January, setting the tone for the winter season. The overall relative humidity is high during this time, adding to the frosty feel. The cold, however, does not hinder the beauty of Vernal's winter scenery, as freshly fallen snow adorns the landscape.

Temperature

Vernal experiences its lowest average temperatures in January, reaching a peak of 30°F (-1.1°C) and a minimum of 12.7°F (-10.7°C).

Humidity

The most humid month is January, with an average relative humidity of 81%.

Rainfall

In Vernal, in January, it is raining for 5.4 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 83.2 rainfall days, and 5.75" (146mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Vernal, during January, snow falls for 10.2 days and regularly aggregates up to 3.19" (81mm) of snow. In Vernal, during the entire year, snow falls for 43.6 days and aggregates up to 16.81" (427mm) of snow.

Daylight

In Vernal, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:41 am and sunset at 5:01 pm. On the last day of January, in Vernal, sunrise is at 7:28 am and sunset at 5:34 pm MST.

Sunshine

The month with the least sunshine in Vernal is January, with an average of 6.5h 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Vernal, the average lowest temperatures are observed in January, with a high of 30°F (-1.1°C) and a low of 12.7°F (-10.7°C).

How cold is January?

The average high-temperature, in January, in Vernal, is 30°F (-1.1°C), while the average low-temperature is 12.7°F (-10.7°C).

What is the most humid month?

With an average relative humidity of 81%, January is the most humid month in Vernal.

What is the average humidity in January?

In January, the average relative humidity is 81%.

How many days does it rain in January in Vernal?

In Vernal, in January, during 5.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How much does it snow in January?

In Vernal, in January, snow falls for 10.2 days, with typically accumulated 3.19" (81mm) of snow.

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

In Vernal, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:41 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:34 pm MST.

What is the month with the least sunshine?

With an average of 6.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

The average sunshine duration in January is 6.5h.

What is the month with the lowest UV index?

January, February, November and 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 January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe 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
Vernal, UT

Average temperature in January - Vernal, UT
  • Average high temperature in January: 30°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in January: 12.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure in January
Vernal, UT

Average pressure in January - Vernal, UT
  • 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 (29.87"Hg).

Average wind speed in January
Vernal, UT

Average wind speed in January - Vernal, UT
  • Average wind speed in January: 3.4mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (3.4mph).

Average humidity in January
Vernal, UT

Average humidity in January - Vernal, UT
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (30%).

Average rainfall in January
Vernal, UT

Average rainfall in January - Vernal, UT
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is April (0.71").
The driest month (with the least rainfall) is November (0.31").

Average rainfall days in January
Vernal, UT

Average rainfall days in January - Vernal, UT
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in January
Vernal, UT

Average snowfall in January - Vernal, UT
  • Average snowfall in January: 3.19"

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Vernal, UT

Average snowfall days in January - Vernal, UT
  • Average snowfall days in January: 10.2 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Vernal, 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 3min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

Average sunshine days in January
Vernal, UT

Average sunshine days in January - Vernal, UT
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is April (15.3 days).

Average UV index in January
Vernal, UT

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

Average cloud cover in January
Vernal, UT

Average cloud cover in January - Vernal, UT
  • Average cloud cover in January: 27

The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 11).

Average visibility in January
Vernal, UT

Average visibility in January - Vernal, 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).

Vernal, Utah, USA

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