January weather forecastVandalia, MT
January
Weather in January
January, the same as December, in Vandalia, Montana, is another subzero cold winter month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 10.9°F (-11.7°C).Temperature
Vandalia's weather in January, with an average high-temperature of a still subzero cold 24.3°F (-4.3°C), subtly shifts from December's 24.6°F (-4.1°C). In January, in Vandalia, the average low-temperature is an extreme cold 10.9°F (-11.7°C).Humidity
The most humid month in Vandalia, Montana, is January, with an average relative humidity of 86%.Rainfall
The months with the least rainfall are January and February Rain falls for 2.5 days and accumulates 0.35" (9mm) of rain.Snowfall
January through May, October through December are months with snowfall in Vandalia. In January, it is snowing for 7.9 days. Throughout January, 1.93" (49mm) of snow is accumulated. In Vandalia, during the entire year, snow falls for 43.8 days and aggregates up to 13.11" (333mm) of snow.Daylight
In Vandalia, the average length of the day in January is 8h and 52min.On the first day of January, sunrise is at 7:58 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:04 pm MST.
Sunshine
In January, the average sunshine is 5h.UV index
In Vandalia, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Vandalia, MT
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).
Average pressure in January
Vandalia, MT
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Vandalia, MT
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in January
Vandalia, 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
Vandalia, MT
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in January
Vandalia, MT
- Average rainfall days in January: 2.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Vandalia, MT
- Average snowfall in January: 1.93"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Vandalia, MT
- Average snowfall days in January: 7.9 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Vandalia, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Vandalia, MT
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in January
Vandalia, 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
Vandalia, MT
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in January
Vandalia, 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).





