January weather forecast
Bynum, MT

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Weather in January

January, like December, is a freezing cold winter month in Bynum, Montana, with an average temperature varying between 30.4°F (-0.9°C) and 18°F (-7.8°C).

Temperature

Bynum, Montana, registers an average high-temperature of a still subzero cold 30.4°F (-0.9°C) at the commencement of January, closely related to the preceding month. Bynum's nights in January experience an average temperature drop to a still freezing cold 18°F (-7.8°C).

Humidity

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

Rainfall

In Bynum, in January, it is raining for 3.3 days, with typically 0.39" (10mm) of accumulated precipitation. In Bynum, during the entire year, the rain falls for 73.3 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Bynum, in January, during 8.8 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 50.3 snowfall days, and 21.26" (540mm) of snow is accumulated.

Daylight

In Bynum, Montana, the average length of the day in January is 8h and 55min.
On the first day of the month, sunrise is at 8:18 am and sunset at 4:46 pm. On the last day of January, in Bynum, sunrise is at 7:58 am and sunset at 5:27 pm MST.

Sunshine

The average sunshine in January in Bynum is 5.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bynum. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is January in Bynum?

In Bynum, 30.4°F (-0.9°C) is the average high-temperature and 18°F (-7.8°C) is the average low-temperature during January.

What is the most humid month in Bynum?

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

What is the average humidity in January in Bynum?

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

How much does it rain in Bynum in January?

In Bynum, Montana, in January, it is raining for 3.3 days, with typically 0.39" (10mm) of accumulated precipitation.

How many days does it snow in January in Bynum?

In Bynum, during January, snow falls for 8.8 days and regularly aggregates up to 2.72" (69mm) of snow.

How many hours of daylight does Bynum have in January?

The average day length in January in Bynum, Montana, is 8h and 55min.

When is the sunrise / sunset in January in Bynum?

On the first day of January in Bynum, Montana, sunrise is at 8:18 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:27 pm MST.

How many hours of sunshine does Bynum have in January?

The average sunshine duration in January in Bynum is 5.9h.

What are the months with the lowest UV index in Bynum?

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

What is the UV index intensity in January in Bynum?

In Bynum, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Bynum, MT

Average temperature in January - Bynum, MT
  • Average high temperature in January: 30.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure in January
Bynum, MT

Average pressure in January - Bynum, 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 (29.88"Hg).

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Average wind speed in January
Bynum, MT

Average wind speed in January - Bynum, MT
  • Average wind speed in January: 11.2mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in January
Bynum, MT

Average humidity in January - Bynum, 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 (42%).

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Average rainfall in January
Bynum, MT

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

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days in January
Bynum, MT

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

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in January
Bynum, MT

Average snowfall in January - Bynum, MT
  • Average snowfall in January: 2.72"

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

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Average snowfall days in January
Bynum, MT

Average snowfall days in January - Bynum, MT
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in January
Bynum, MT

Average sunshine days in January - Bynum, MT
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).

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Average UV index in January
Bynum, MT

Average UV index in January - Bynum, 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).

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Average cloud cover in January
Bynum, MT

Average cloud cover in January - Bynum, MT
  • Average cloud cover in January: 37

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in January
Bynum, MT

Average visibility in January - Bynum, 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).

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Bynum, Montana, USA

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