January weather forecast
Cottonwood Heights, UT

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Weather in January

This is the coldest month for Cottonwood Heights, with low temperatures falling to 16.2°F (-8.8°C). It's a frosty, wintery period and heavy clothing is advised. When venturing outside, be prepared to encounter high humidity and overcast skies with a sizable proportion of cloud cover plus significant snowstorms. Expect noticeably fewer hours of daylight contrasting precipitously with the later months. The crisp air and wintery landscape makes it a picturesque time in the city.

Temperature

Cottonwood Heights's temperature records reveal January as the coldest month, marked by average highs of 32.2°F (0.1°C) and lows of 16.2°F (-8.8°C).

Humidity

The most humid month in Cottonwood Heights is January, with an average relative humidity of 85%.

Rainfall

In Cottonwood Heights, during January, the rain falls for 8.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Cottonwood Heights, there are 118.7 rainfall days, and 16.34" (415mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cottonwood Heights are January through May, October through December. January is the month with the most snowfall in Cottonwood Heights. Snow falls for 13.9 days and accumulates 11.97" (304mm) of snow.

Daylight

In January, the average length of the day in Cottonwood Heights is 9h and 40min.
On the first day of January, sunrise is at 7:50 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:43 pm MST.

Sunshine

The month with the least sunshine is January, with an average of 5.4h of sunshine.

UV index

In January, the average daily maximum UV index in Cottonwood Heights is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 in January translates into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What part of the year is the coldest in Cottonwood Heights?

Cottonwood Heights, Utah, experiences its lowest temperatures in January, with an average peak of 32.2°F (0.1°C) and a low of 16.2°F (-8.8°C).

How cold is it in Cottonwood Heights in January?

The average high-temperature, in January, in Cottonwood Heights, is 32.2°F (0.1°C), while the average low-temperature is 16.2°F (-8.8°C).

What is the most humid month in Cottonwood Heights?

January is the most humid month in Cottonwood Heights, Utah, with an average relative humidity of 85%.

What is the average humidity in January in Cottonwood Heights?

In January, the average relative humidity in Cottonwood Heights is 85%.

How much does it rain in Cottonwood Heights in January?

In Cottonwood Heights, in January, during 8.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When does it snow the most in Cottonwood Heights?

January is the month with the most snowfall in Cottonwood Heights. Snow falls for 13.9 days and accumulates 11.97" (304mm) of snow.

How many days does it snow in January in Cottonwood Heights?

In Cottonwood Heights, in January, snow falls for 13.9 days, with typically accumulated 11.97" (304mm) of snow.

What is the average length of the day in January in Cottonwood Heights?

In January, the average day length in Cottonwood Heights, Utah, is 9h and 40min.

When is the sunrise / sunset in January in Cottonwood Heights?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 5:10 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 Cottonwood Heights?

The month with the least sunshine in Cottonwood Heights is January, with an average of 5.4h of sunshine.

How long on average sun shines in January in Cottonwood Heights?

In January, the average sunshine duration is 5.4h.

What is the UV index reading in January in Cottonwood Heights?

The average daily maximum UV index in January in Cottonwood Heights is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.4°F 0.2°C
32.2°F 0.1°C
35.2°F 1.8°C
Average low temperature
18°F -7.8°C
16.2°F -8.8°C
21°F -6.1°C
Average pressure
30.22" 768mmHg
30.27" 769mmHg
30.13" 765mmHg
Average wind speed
5.2mph 8.4km/h
4.7mph 7.6km/h
5.8mph 9.3km/h
Average max. wind speed
5.6mph 9km/h
5.1mph 8.2km/h
6.2mph 10km/h
Average wind speed gusts
9.3mph 15km/h
8.5mph 13.7km/h
9.6mph 15.4km/h
Average humidity
81%
85%
81%
Average rainfall
1.73" 44mm
1.81" 46mm
1.97" 50mm
Average rainfall days
10.4
8.3
10.4
Average snowfall
10.55" 268mm
11.97" 304mm
11.5" 292mm
Average snowfall days
13.4
13.9
12.8
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 4min
5h 2min
6h 3min
Average sunshine days
14.5
14.5
10.7
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
Cottonwood Heights, UT

Average temperature in January - Cottonwood Heights, UT
  • Average high temperature in January: 32.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in January: 16.2°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in January
Cottonwood Heights, UT

Average pressure in January - Cottonwood Heights, 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).

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Average wind speed in January
Cottonwood Heights, UT

Average wind speed in January - Cottonwood Heights, UT
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

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Average humidity in January
Cottonwood Heights, UT

Average humidity in January - Cottonwood Heights, UT
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).

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Average rainfall in January
Cottonwood Heights, UT

Average rainfall in January - Cottonwood Heights, UT
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is February (1.97").
The driest month (with the least rainfall) is June (0.67").

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Average rainfall days in January
Cottonwood Heights, UT

Average rainfall days in January - Cottonwood Heights, UT
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is June (7.3 days).

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Average snowfall in January
Cottonwood Heights, UT

Average snowfall in January - Cottonwood Heights, UT
  • Average snowfall in January: 11.97"

The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Cottonwood Heights, UT

Average snowfall days in January - Cottonwood Heights, UT
  • Average snowfall days in January: 13.9 days

The month with the highest number of snowfall days is January (13.9 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
Cottonwood Heights, UT

Average daylight in January / Average sunshine in January - Cottonwood Heights, 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: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in January
Cottonwood Heights, UT

Average sunshine days in January - Cottonwood Heights, UT
  • Average sunshine days in January: 14.5 days

The month with the most sunshine days is June (20.1 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in January
Cottonwood Heights, UT

Average UV index in January - Cottonwood Heights, 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
Cottonwood Heights, UT

Average cloud cover in January - Cottonwood Heights, 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
Cottonwood Heights, UT

Average visibility in January - Cottonwood Heights, 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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Cottonwood Heights, Utah, USA

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