January weather forecastBrockton, MT
January
Weather in January
January, like December, is another subzero cold winter month in Brockton, Montana, with an average temperature fluctuating between 23.7°F (-4.6°C) and 10.2°F (-12.1°C).Temperature
January's onset brings an average high-temperature of a still subzero cold 23.7°F (-4.6°C), showing a minute difference from December's 24.6°F (-4.1°C). During January, the nighttime temperature averages of 10.2°F (-12.1°C).Humidity
January is the most humid month in Brockton, Montana, with an average relative humidity of 86%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.4 days and typically collects 0.51" (13mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Brockton, Montana, in January, during 13 snowfall days, 3.11" (79mm) of snow is typically accumulated. In Brockton, during the entire year, snow falls for 63.4 days and aggregates up to 17.99" (457mm) of snow.Daylight
In Brockton, Montana, the average length of the day in January is 8h and 53min.On the first day of January, sunrise is at 7:49 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:57 pm MST.
Sunshine
In Brockton, the average sunshine in January is 4.9h.UV index
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 average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Brockton, MT
- Average high temperature in January: 23.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is February (23°F).
- Average low temperature in January: 10.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest months (with the lowest average low temperature) are January and February (10.2°F).
Average pressure in January
Brockton, MT
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Brockton, MT
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in January
Brockton, MT
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Brockton, MT
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in January
Brockton, MT
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Brockton, MT
- Average snowfall in January: 3.11"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Brockton, MT
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Brockton, MT
- Average daylight in January: 8h and 54min
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: 4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Brockton, MT
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in January
Brockton, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Brockton, MT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in January
Brockton, 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).
