January weather forecast
American Fork, UT

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Weather in January

January in American Fork, Utah, ushers in the New Year with a chill, typically exhibiting the coldest temperatures of the season. A thick blanket of snow usually continues to wrap the city, with a snowfall accumulation of 11.06" (281mm). The daylight is considerably shorter, contributing to the overall bleak and frosty landscape that many associate with winter. High humidity coupled with low temperatures often results in the formation of frost. Despite the cold, January is known for its crisp and clear skies provided the atmospheric pressure remains high and stable.

Temperature

During January and December, American Fork registers its lowest temperatures, averaging a high of 32.4°F (0.2°C).

Humidity

January is the most humid month, with an average relative humidity of 86%.

Rainfall

In American Fork, in January, it is raining for 7.8 days, with typically 1.85" (47mm) of accumulated precipitation. In American Fork, during the entire year, the rain falls for 123.2 days and collects up to 16.73" (425mm) of precipitation.

Snowfall

Months with snowfall in American Fork are January through May, October through December. January is the month with the most snowfall. Snow falls for 12.7 days and accumulates 11.06" (281mm) of snow.

Daylight

In American Fork, the average length of the day in January is 9h and 41min.
On the first day of January, sunrise is at 7:50 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:43 pm MST.

Sunshine

January has the least sunshine of the year in American Fork, with an average of 5.4h of sunshine.

UV index

In January, the average daily maximum UV index in American Fork is 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: 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. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What time of the year is the coldest in American Fork?

American Fork's average lowest temperatures are recorded in January and December, reaching a high of 32.4°F (0.2°C).

How cold is January in American Fork?

The average high-temperature and low-temperature during January are 32.4°F (0.2°C) and 15.8°F (-9°C) respectively.

What is the most humid month in American Fork?

January is the most humid month, with an average relative humidity of 86%.

What is the average humidity in January in American Fork?

In January, the average relative humidity in American Fork is 86%.

How many days does it rain in January in American Fork?

In January, in American Fork, the rain falls for 7.8 days. Throughout January, 1.85" (47mm) of precipitation is accumulated.

What is the snowiest month in American Fork?

January is the month with the most snowfall in American Fork, Utah. Snow falls for 12.7 days and accumulates 11.06" (281mm) of snow.

How much does it snow in American Fork in January?

In American Fork, in January, during 12.7 snowfall days, 11.06" (281mm) of snow is typically accumulated.

What is the average length of the day in January in American Fork?

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

What time are sunrise and sunset in January in American Fork?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:43 pm MST.

What is the month with the least sunshine in American Fork?

January has the least sunshine of the year in American Fork, with an average of 5.4h of sunshine.

How many hours of sunshine does American Fork have in January?

In American Fork, Utah, the average sunshine duration in January is 5.4h.

What is the UV index reading in January in American Fork?

The average daily maximum UV index in January in American Fork, Utah, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.4°F 0.2°C
32.4°F 0.2°C
35.6°F 2°C
Average low temperature
17.2°F -8.2°C
15.8°F -9°C
20.3°F -6.5°C
Average pressure
30.21" 767mmHg
30.27" 769mmHg
30.13" 765mmHg
Average wind speed
5.2mph 8.4km/h
4.6mph 7.4km/h
5.5mph 8.9km/h
Average max. wind speed
5.5mph 8.9km/h
5mph 8km/h
6mph 9.7km/h
Average wind speed gusts
9mph 14.5km/h
8.2mph 13.2km/h
9.3mph 15km/h
Average humidity
81%
86%
81%
Average rainfall
1.93" 49mm
1.85" 47mm
1.81" 46mm
Average rainfall days
10.2
7.8
10.3
Average snowfall
10.16" 258mm
11.06" 281mm
9.45" 240mm
Average snowfall days
13
12.7
11.9
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 4min
5h 2min
6h 4min
Average sunshine days
13.9
15.7
11.4
Average UV index
1
2
2
Average cloud cover
40%
41%
42%
Average visibility
5mi 8km
4mi 6.4km
5mi 8km

Average temperature in January
American Fork, UT

Average temperature in January - American Fork, UT
  • Average high temperature in January: 32.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The months with the lowest average high temperature are January and December (32.4°F).

  • Average low temperature in January: 15.8°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in January
American Fork, UT

Average pressure in January - American Fork, 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).

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Average wind speed in January
American Fork, UT

Average wind speed in January - American Fork, UT
  • Average wind speed in January: 4.6mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

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Average humidity in January
American Fork, UT

Average humidity in January - American Fork, UT
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (38%).

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Average rainfall in January
American Fork, UT

Average rainfall in January - American Fork, UT
  • Average rainfall in January: 1.85"

The wettest months (with the highest rainfall) are April and December (1.93").
The driest month (with the least rainfall) is June (0.75").

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Average rainfall days in January
American Fork, UT

Average rainfall days in January - American Fork, UT
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is May (14.3 days).
The months with the least rainy days are June and November (7.3 days).

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Average snowfall in January
American Fork, UT

Average snowfall in January - American Fork, UT
  • Average snowfall in January: 11.06"

The month with the highest snowfall is January (11.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
American Fork, UT

Average snowfall days in January - American Fork, UT
  • Average snowfall days in January: 12.7 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
American Fork, UT

Average daylight in January / Average sunshine in January - American Fork, 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: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in January
American Fork, UT

Average sunshine days in January - American Fork, UT
  • Average sunshine days in January: 15.7 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (11.4 days).

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Average UV index in January
American Fork, UT

Average UV index in January - American Fork, UT
  • Average UV index in January: 2

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

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Average cloud cover in January
American Fork, UT

Average cloud cover in January - American Fork, UT
  • Average cloud cover in January: 41

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in January
American Fork, UT

Average visibility in January - American Fork, UT
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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American Fork, Utah, USA

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