January weather forecast
Roberts, MT

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Weather in January

January is a wintry winter month in Roberts, Montana, with an average temperature ranging between min 18.7°F (-7.4°C) and max 32°F (0°C).

Temperature

January's advent notes a subtle adjustment in average high-temperature to a wintry 32°F (0°C) from December. During January, the average low-temperature in Roberts, Montana, is a freezing cold 18.7°F (-7.4°C).

Humidity

January is the most humid month, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Roberts. In Roberts, during January, snow falls for 9.9 days and regularly aggregates up to 3.58" (91mm) of snow. Throughout the year, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.

Daylight

In January, the average length of the day in Roberts is 9h and 12min.
On the first day of January, sunrise is at 7:56 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:21 pm MST.

Sunshine

In January, the average sunshine is 6.4h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Roberts in January?

The high-temperature, in January, in Roberts, records 32°F (0°C), while the low-temperature is 18.7°F (-7.4°C).

What is the most humid month in Roberts?

With an average relative humidity of 76%, January is the most humid month in Roberts.

What is the average humidity in January in Roberts?

In Roberts, Montana, the average relative humidity in January is 76%.

What is the driest month in Roberts?

January is the month with the least rainfall in Roberts. Rain falls for 6 days and accumulates 0.51" (13mm) of precipitation.

How many days does it rain in January in Roberts?

In Roberts, Montana, during January, the rain falls for 6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in Roberts in January?

In Roberts, during January, snow falls for 9.9 days and regularly aggregates up to 3.58" (91mm) of snow.

What is the average length of the day in January in Roberts?

The average day length in January in Roberts is 9h and 12min.

What time are sunrise and sunset in January in Roberts?

On the first day of January, sunrise is at 7:56 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:21 pm MST.

How long on average sun shines in January in Roberts?

In Roberts, the average sunshine duration in January is 6.4h.

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

The months with the lowest UV index in Roberts, Montana, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Roberts?

In January, the average daily maximum UV index in Roberts is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Roberts, MT

Average temperature in January - Roberts, MT
  • Average high temperature in January: 32°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in January: 18.7°F

The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).

Average pressure in January
Roberts, MT

Average pressure in January - Roberts, MT
  • Average pressure in January: 30.15"Hg

The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in January
Roberts, MT

Average wind speed in January - Roberts, MT
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Roberts, MT

Average humidity in January - Roberts, MT
  • Average humidity in January: 76%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).

Average rainfall in January
Roberts, MT

Average rainfall in January - Roberts, MT
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in January
Roberts, MT

Average rainfall days in January - Roberts, MT
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).

Average snowfall in January
Roberts, MT

Average snowfall in January - Roberts, MT
  • Average snowfall in January: 3.58"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Roberts, MT

Average snowfall days in January - Roberts, MT
  • Average snowfall days in January: 9.9 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Roberts, 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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in January
Roberts, MT

Average sunshine days in January - Roberts, MT
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in January
Roberts, MT

Average UV index in January - Roberts, 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, November and December (UV index 2).

Average cloud cover in January
Roberts, MT

Average cloud cover in January - Roberts, MT
  • Average cloud cover in January: 32

The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in January
Roberts, MT

Average visibility in January - Roberts, 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).

Roberts, Montana, USA

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