January weather forecast
Fort Johnson, UT

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Weather in January

January, like December, in Fort Johnson, Utah, is another cold winter month, with an average temperature fluctuating between 21.4°F (-5.9°C) and 36.9°F (2.7°C).

Temperature

The arrival of January brings an average high-temperature of a still icy 36.9°F (2.7°C), subtly diverging from December's 36.5°F (2.5°C). An average low-temperature of 21.4°F (-5.9°C) is common during the nights of January.

Humidity

With an average relative humidity of 75%, January is the most humid month.

Rainfall

In January, the rain falls for 3.8 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 84.2 rainfall days, and 9.21" (234mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 6.9 days. Throughout January, 3.07" (78mm) of snow is accumulated. In Fort Johnson, during the entire year, snow falls for 33.4 days and aggregates up to 18.11" (460mm) of snow.

Daylight

In January, the average length of the day is 9h and 54min.
On the first day of January, sunrise is at 7:47 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:54 pm MST.

Sunshine

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

UV index

The average daily maximum UV index in January in Fort Johnson is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

The average high-temperature and low-temperature during January are 36.9°F (2.7°C) and 21.4°F (-5.9°C) respectively.

What is the most humid month?

The most humid month is January, with an average relative humidity of 75%.

What is the average humidity in January?

The average relative humidity in January is 75%.

How much does it rain in January?

In January, the rain falls for 3.8 days. Throughout January, 0.51" (13mm) of precipitation is accumulated.

How many days does it snow in January?

In Fort Johnson, during January, snow falls for 6.9 days and regularly aggregates up to 3.07" (78mm) of snow.

How many hours of daylight does Fort Johnson have in January?

In Fort Johnson, the average day length in January is 9h and 54min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:47 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:54 pm MST.

What is the month with the least sunshine?

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

How many hours of sunshine does Fort Johnson have in January?

The average sunshine duration in January is 6.4h.

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Fort Johnson, UT

Average temperature in January - Fort Johnson, UT
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in January: 21.4°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).

Average pressure in January
Fort Johnson, UT

Average pressure in January - Fort Johnson, UT
  • Average pressure in January: 30.21"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Fort Johnson, UT

Average wind speed in January - Fort Johnson, UT
  • Average wind speed in January: 6.2mph

The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).

Average humidity in January
Fort Johnson, UT

Average humidity in January - Fort Johnson, UT
  • Average humidity in January: 75%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).

Average rainfall in January
Fort Johnson, UT

Average rainfall in January - Fort Johnson, UT
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in January
Fort Johnson, UT

Average rainfall days in January - Fort Johnson, UT
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).

Average snowfall in January
Fort Johnson, UT

Average snowfall in January - Fort Johnson, UT
  • Average snowfall in January: 3.07"

The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Fort Johnson, UT

Average snowfall days in January - Fort Johnson, UT
  • Average snowfall days in January: 6.9 days

The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Fort Johnson, UT

Average daylight in January / Average sunshine in January - Fort Johnson, UT
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 6h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in January
Fort Johnson, UT

Average sunshine days in January - Fort Johnson, UT
  • Average sunshine days in January: 22.5 days

The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).

Average UV index in January
Fort Johnson, UT

Average UV index in January - Fort Johnson, UT
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Fort Johnson, UT

Average cloud cover in January - Fort Johnson, UT
  • Average cloud cover in January: 30

The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in January
Fort Johnson, UT

Average visibility in January - Fort Johnson, UT
  • 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).

Fort Johnson, Utah, USA

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