January weather forecast
Boyd, MT

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Weather in January

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

Temperature

Boyd, Montana, experiences a subtle adjustment in high-temperatures to an icy 32°F (0°C) with the onset of January, maintaining near parity with December's 30.7°F (-0.7°C). In Boyd, in January, the average low-temperature is a freezing cold 18.7°F (-7.4°C).

Humidity

January is the most humid month in Boyd, 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 January, it is snowing for 9.9 days. Throughout January, 3.58" (91mm) of snow is accumulated. Throughout the year, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.

Daylight

In Boyd, the average length of the day in January is 9h and 11min.
On the first day of January, sunrise is at 7:56 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:20 pm MST.

Sunshine

The average sunshine in January is 6.4h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boyd. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Boyd?

The high-temperature in Boyd during January is 32°F (0°C) and the low-temperature is 18.7°F (-7.4°C).

What is the most humid month in Boyd?

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

What is the average humidity in January in Boyd?

The average relative humidity in January in Boyd is 76%.

What is the driest month in Boyd?

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

How many days does it rain in January in Boyd?

In Boyd, Montana, in January, it is raining for 6 days, with typically 0.51" (13mm) of accumulated precipitation.

How much does it snow in Boyd in January?

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

How many hours of daylight does Boyd have in January?

The average day length in January is 9h and 11min.

What time are sunrise and sunset in January in Boyd?

In January, on the first day of the month, sunrise is at 7:56 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:20 pm MST.

How long on average sun shines in January in Boyd?

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

When is the lowest UV index in Boyd?

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

What is the UV index reading in January in Boyd?

In Boyd, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Boyd, MT

Average temperature in January - Boyd, 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
Boyd, MT

Average pressure in January - Boyd, 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
Boyd, MT

Average wind speed in January - Boyd, 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
Boyd, MT

Average humidity in January - Boyd, 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
Boyd, MT

Average rainfall in January - Boyd, 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
Boyd, MT

Average rainfall days in January - Boyd, 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
Boyd, MT

Average snowfall in January - Boyd, 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
Boyd, MT

Average snowfall days in January - Boyd, 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
Boyd, MT

Average daylight in January / Average sunshine in January - Boyd, 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
Boyd, MT

Average sunshine days in January - Boyd, 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
Boyd, MT

Average UV index in January - Boyd, 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
Boyd, MT

Average cloud cover in January - Boyd, 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
Boyd, MT

Average visibility in January - Boyd, 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).

Boyd, Montana, USA

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