January weather forecast
Boyes, MT

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Weather in January

January, like December, is another subzero cold winter month in Boyes, Montana, with an average temperature fluctuating between 30.7°F (-0.7°C) and 17.6°F (-8°C).

Temperature

With the onset of January, the average high-temperature stands at a still subzero cold 30.7°F (-0.7°C), closely aligned with December's 30.4°F (-0.9°C). Throughout January, the temperature in Boyes falls to an average low of 17.6°F (-8°C).

Humidity

With an average relative humidity of 80%, January is the most humid month in Boyes.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Boyes, during January, snow falls for 9 days and regularly aggregates up to 2.32" (59mm) of snow. Throughout the year, there are 52.1 snowfall days, and 23.54" (598mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 13min.
On the first day of January, sunrise is at 7:39 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:05 pm MST.

Sunshine

In Boyes, Montana, the average sunshine in January is 5.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

During January, Boyes experiences an average high-temperature of 30.7°F (-0.7°C) and a low-temperature of 17.6°F (-8°C).

What is the most humid month?

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

What is the average humidity in January?

The average relative humidity in January is 80%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 2.8 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

How many days does it snow in January?

In Boyes, during January, snow falls for 9 days and regularly aggregates up to 2.32" (59mm) of snow.

How many hours of daylight does Boyes have in January?

In Boyes, the average day length in January is 9h and 13min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:39 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:05 pm MST.

How long on average sun shines in January in Boyes?

In Boyes, the average sunshine duration in January is 5.7h.

What is the month with the lowest UV index?

The months with the lowest UV index in Boyes are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January?

In Boyes, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes 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
Boyes, MT

Average temperature in January - Boyes, MT
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in January: 17.6°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

Average pressure in January
Boyes, MT

Average pressure in January - Boyes, MT
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Boyes, MT

Average wind speed in January - Boyes, MT
  • Average wind speed in January: 10.4mph

The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in January
Boyes, MT

Average humidity in January - Boyes, 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 (47%).

Average rainfall in January
Boyes, MT

Average rainfall in January - Boyes, MT
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in January
Boyes, MT

Average rainfall days in January - Boyes, MT
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in January
Boyes, MT

Average snowfall in January - Boyes, MT
  • Average snowfall in January: 2.32"

The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Boyes, MT

Average snowfall days in January - Boyes, MT
  • Average snowfall days in January: 9 days

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

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

Average daylight in January / Average sunshine in January - Boyes, 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: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in January
Boyes, MT

Average sunshine days in January - Boyes, MT
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).

Average UV index in January
Boyes, MT

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Boyes, MT

Average cloud cover in January - Boyes, MT
  • 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 15).

Average visibility in January
Boyes, MT

Average visibility in January - Boyes, 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).

Boyes, Montana, USA

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