January weather forecast
Shelby, MT

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January is known for being one of the coldest months in Shelby, Montana. Residents can expect a high temperature of 28.8°F (-1.8°C) on average and a low temperature dip to 16°F (-8.9°C). Along with the chilly temperatures, snowfall is a regular feature, adding a winter wonderland charm to the cityscape. The intensity of ultraviolet rays also remains low, so it is crucial for outdoor enthusiasts to remember to layer up adequately to keep warm. Due to its geographical location, the city is also known to experience a fair share of cloudy days in January.

Temperature

The shift into January in Shelby records an average high-temperature of a still subzero cold 28.8°F (-1.8°C), subtly varied from December's 27.7°F (-2.4°C). Shelby experiences a mean low-temperature of 16°F (-8.9°C) during January.

Humidity

January is the most humid month, with an average relative humidity of 80%.

Rainfall

The months with the least rainfall in Shelby are January and December Rain falls for 3.3 days and accumulates 0.39" (10mm) of rain.

Snowfall

Months with snowfall are January through May, September through December. In Shelby, in January, snow falls for 9.4 days, with typically accumulated 2.68" (68mm) of snow. In Shelby, during the entire year, snow falls for 53.7 days and aggregates up to 20.47" (520mm) of snow.

Daylight

In January, the average length of the day in Shelby is 8h and 51min.
On the first day of January, sunrise is at 8:19 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:23 pm MST.

Sunshine

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

UV index

The months with the lowest UV index in Shelby are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
[Resources]

Frequently asked questions

How cold is it in Shelby in January?

The high-temperature during January is 28.8°F (-1.8°C) and the low-temperature is 16°F (-8.9°C).

What is the most humid month in Shelby?

January is the most humid month in Shelby, Montana, with an average relative humidity of 80%.

What is the average humidity in January in Shelby?

In Shelby, the average relative humidity in January is 80%.

What is the driest month in Shelby?

January and December are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.39" (10mm) of rain.

How many days does it rain in January in Shelby?

In Shelby, during January, the rain falls for 3.3 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How many days does it snow in January in Shelby?

In Shelby, in January, during 9.4 snowfall days, 2.68" (68mm) of snow is typically accumulated.

How many hours of daylight does Shelby have in January?

In Shelby, Montana, the average day length in January is 8h and 51min.

When are sunrise and sunset in January in Shelby?

In January, on the first day of the month, sunrise is at 8:19 am and sunset at 4:42 pm. On the last day of the month, in Shelby, Montana, sunrise is at 7:57 am and sunset at 5:23 pm MST.

What is the month with the least sunshine in Shelby?

With an average of 5.4h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Shelby have in January?

In Shelby, Montana, the average sunshine duration in January is 5.4h.

What is the month with the lowest UV index in Shelby?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in January in Shelby?

The average daily maximum UV index in January in Shelby is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
27.7°F -2.4°C
28.8°F -1.8°C
28.9°F -1.7°C
Average low temperature
15.4°F -9.2°C
16°F -8.9°C
16°F -8.9°C
Average pressure
30.11" 765mmHg
30.13" 765mmHg
30.11" 765mmHg
Average wind speed
10mph 16.1km/h
10.3mph 16.6km/h
9.3mph 15km/h
Average max. wind speed
10.9mph 17.5km/h
11.2mph 18km/h
10.2mph 16.4km/h
Average wind speed gusts
18mph 29km/h
18.9mph 30.4km/h
15.7mph 25.3km/h
Average humidity
77%
80%
76%
Average rainfall
0.39" 10mm
0.39" 10mm
0.55" 14mm
Average rainfall days
3.3
3.3
3.1
Average snowfall
2.28" 58mm
2.68" 68mm
4.17" 106mm
Average snowfall days
9.5
9.4
10.3
Average daylight
8h 2min
8h 5min
10h 1min
Average sunshine
5h 3min
5h 2min
5h 3min
Average sunshine days
20.8
19.9
16.8
Average UV index
2
2
2
Average cloud cover
42%
42%
46%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Shelby, MT

Average temperature in January - Shelby, MT
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

[Resources]

Average pressure in January
Shelby, MT

Average pressure in January - Shelby, MT
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

[Resources]

Average wind speed in January
Shelby, MT

Average wind speed in January - Shelby, MT
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

[Resources]

Average humidity in January
Shelby, MT

Average humidity in January - Shelby, MT
  • Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).

[Resources]

Average rainfall in January
Shelby, MT

Average rainfall in January - Shelby, MT
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").

[Resources]

Average rainfall days in January
Shelby, MT

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

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).

[Resources]

Average snowfall in January
Shelby, MT

Average snowfall in January - Shelby, MT
  • Average snowfall in January: 2.68"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Shelby, MT

Average snowfall days in January - Shelby, MT
  • Average snowfall days in January: 9.4 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Shelby, MT
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 5h and 2min

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

[Resources]

Average sunshine days in January
Shelby, MT

Average sunshine days in January - Shelby, MT
  • Average sunshine days in January: 19.9 days

The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).

[Resources]

Average UV index in January
Shelby, MT

Average UV index in January - Shelby, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in January
Shelby, MT

Average cloud cover in January - Shelby, MT
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

[Resources]

Average visibility in January
Shelby, MT

Average visibility in January - Shelby, MT
  • 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).

[Resources]

Shelby, Montana, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location