Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The onset of January notes an average high-temperature of a still subzero cold 27°F (-2.8°C), subtly shifted from December's 24.3°F (-4.3°C). Bannack records a steady low-temperature average of 10.8°F (-11.8°C) during January.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 86%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.6 days and typically collects 0.43" (11mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Bannack, during January, snow falls for 11.8 days and regularly aggregates up to 3.31" (84mm) of snow. In Bannack, Montana, during the entire year, snow falls for 81.9 days and aggregates up to 31.65" (804mm) of snow.Daylight
The average length of the day in January is 9h and 14min.On the first day of January, sunrise is at 8:10 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:37 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 5.9h of sunshine.UV index
In Bannack, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Bannack, MT
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (9.9°F).
Average pressure in January
Bannack, MT
- Average pressure in January: 30.25"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Bannack, MT
- Average wind speed in January: 7.1mph
The windiest months (with the highest average wind speed) are November and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Bannack, MT
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in January
Bannack, MT
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Bannack, MT
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in January
Bannack, MT
- Average snowfall in January: 3.31"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Bannack, MT
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Bannack, 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 5min
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 54min).
Average sunshine days in January
Bannack, MT
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in January
Bannack, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Bannack, MT
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in January
Bannack, MT
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Bannack, Montana, USA
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