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
January commences with an average high-temperature of a still freezing cold 28.9°F (-1.7°C), showing little deviation from December's 27.1°F (-2.7°C). During the month of January, Heart Butte's nighttime temperature lowers to an average of 16.2°F (-8.8°C).Humidity
The most humid month is January, with an average relative humidity of 79%.Rainfall
In Heart Butte, in January, during 3.9 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 70.4 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Heart Butte, during January, snow falls for 8.8 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, there are 54.3 snowfall days, and 19.49" (495mm) of snow is accumulated.Daylight
The average length of the day in January is 8h and 53min.On the first day of January, sunrise is at 8:22 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:28 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in Heart Butte in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Heart Butte?
What is the month with the least sunshine?
How many hours of sunshine does Heart Butte have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Heart Butte, MT
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in January
Heart Butte, MT
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Heart Butte, MT
- Average wind speed in January: 11.8mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).
Average humidity in January
Heart Butte, MT
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
Heart Butte, MT
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Heart Butte, MT
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in January
Heart Butte, MT
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Heart Butte, MT
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Heart Butte, 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 24min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in January
Heart Butte, MT
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).
Average UV index in January
Heart Butte, 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).
Average cloud cover in January
Heart Butte, MT
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in January
Heart Butte, 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).
Heart Butte, Montana, USA
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