January weather forecast
Portage, UT

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Weather in January

January, like December, is another subzero cold winter month in Portage, Utah, with an average temperature ranging between max 29.5°F (-1.4°C) and min 15.3°F (-9.3°C).

Temperature

Stepping into January, Portage records an average high-temperature of a still subzero cold 29.5°F (-1.4°C), almost consistent with December. An average temperature of 15.3°F (-9.3°C) is recorded during the nights in January.

Humidity

With an average relative humidity of 89%, January is the most humid month.

Rainfall

In Portage, during January, the rain falls for 6.6 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Portage, during the entire year, the rain falls for 118.3 days and collects up to 16.42" (417mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 15.8 days and typically aggregates up to 13.78" (350mm) of snow.

Daylight

The average length of the day in January in Portage is 9h and 32min.
On the first day of January, sunrise is at 7:56 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:42 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 4.7h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index in Portage. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
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. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

How cold is January?

Portage in January has an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 15.3°F (-9.3°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 89%.

What is the average humidity in January?

In Portage, the average relative humidity in January is 89%.

How many days does it rain in January?

In Portage, during January, the rain falls for 6.6 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When does it snow the most in Portage?

The month with the most snowfall is January, when snow falls for 15.8 days and typically aggregates up to 13.78" (350mm) of snow.

How many days does it snow in January?

In Portage, in January, during 15.8 snowfall days, 13.78" (350mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 32min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:56 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:42 pm MST.

What is the month with the least sunshine?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Portage have in January?

In Portage, the average sunshine duration in January is 4.7h.

What is the month with the lowest UV index?

The month with the lowest UV index is January, with an average maximum UV index of 1.

How high is the UV index in January?

In Portage, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Portage, UT

Average temperature in January - Portage, UT
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in January
Portage, UT

Average pressure in January - Portage, UT
  • Average pressure in January: 30.3"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Portage, UT

Average wind speed in January - Portage, UT
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

Average humidity in January
Portage, UT

Average humidity in January - Portage, UT
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (35%).

Average rainfall in January
Portage, UT

Average rainfall in January - Portage, UT
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in January
Portage, UT

Average rainfall days in January - Portage, UT
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in January
Portage, UT

Average snowfall in January - Portage, UT
  • Average snowfall in January: 13.78"

The month with the highest snowfall is January (13.78").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Portage, UT

Average snowfall days in January - Portage, UT
  • Average snowfall days in January: 15.8 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Portage, UT
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 4h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Portage, UT

Average sunshine days in January - Portage, UT
  • Average sunshine days in January: 14.7 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in January
Portage, UT

Average UV index in January - Portage, UT
  • Average UV index in January: 1

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

Average cloud cover in January
Portage, UT

Average cloud cover in January - Portage, UT
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in January
Portage, UT

Average visibility in January - Portage, UT
  • Average visibility in January: 4mi

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

Portage, Utah, USA

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