January weather forecast
Norris, MT

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Weather in January

January, the same as December, in Norris, Montana, is another subzero cold winter month, with an average temperature varying between 9.7°F (-12.4°C) and 24.6°F (-4.1°C).

Temperature

January's advent notes a subtle adjustment in average high-temperature to a still subzero cold 24.6°F (-4.1°C) from December. In Norris, January is marked by an average low-temperature of 9.7°F (-12.4°C).

Humidity

The average relative humidity in January in Norris is 89%.

Rainfall

In Norris, during January, the rain falls for 3.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 105.7 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Norris, in January, snow falls for 15.5 days, with typically accumulated 6.69" (170mm) of snow. Throughout the year, there are 136.1 snowfall days, and 86.93" (2208mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 11min.
On the first day of January, sunrise is at 8:06 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:31 pm MST.

Sunshine

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

UV index

The months with the lowest UV index in Norris are January and February, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold is it in January?

The high-temperature during January is 24.6°F (-4.1°C) and the low-temperature is 9.7°F (-12.4°C).

What is the average humidity in January?

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

How many days does it rain in January?

In Norris, during January, the rain falls for 3.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in January?

In Norris, in January, snow falls for 15.5 days, with typically accumulated 6.69" (170mm) of snow.

How many hours of daylight does Norris have in January?

In Norris, the average day length in January is 9h and 11min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:31 pm MST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

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

When is the lowest UV index?

The months with the lowest UV index are January and February, with an average maximum UV index of 1.

How high is the UV index in January?

In Norris, Montana, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Norris, MT

Average temperature in January - Norris, MT
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in January: 9.7°F

The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

Average pressure in January
Norris, MT

Average pressure in January - Norris, MT
  • Average pressure in January: 30.22"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Norris, MT

Average wind speed in January - Norris, MT
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Norris, MT

Average humidity in January - Norris, MT
  • Average humidity in January: 89%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).

Average rainfall in January
Norris, MT

Average rainfall in January - Norris, MT
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").

Average rainfall days in January
Norris, MT

Average rainfall days in January - Norris, MT
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).

Average snowfall in January
Norris, MT

Average snowfall in January - Norris, MT
  • Average snowfall in January: 6.69"

The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").

Average snowfall days in January
Norris, MT

Average snowfall days in January - Norris, MT
  • Average snowfall days in January: 15.5 days

The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).

Average daylight in January /
Average sunshine in January
Norris, MT

Average daylight in January / Average sunshine in January - Norris, MT
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Norris, MT

Average sunshine days in January - Norris, MT
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).

Average UV index in January
Norris, MT

Average UV index in January - Norris, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in January
Norris, MT

Average cloud cover in January - Norris, MT
  • Average cloud cover in January: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in January
Norris, MT

Average visibility in January - Norris, MT
  • Average visibility in January: 4mi

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

Norris, Montana, USA

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