January weather forecastHelmville, MT
January
Weather in January
January, like December, is another subzero cold winter month in Helmville, Montana, with an average temperature varying between 28.8°F (-1.8°C) and 14.5°F (-9.7°C).Temperature
In January, Helmville's weather conditions record an average high-temperature of a still freezing cold 28.8°F (-1.8°C), demonstrating little divergence from the preceding month. Throughout January, an average low-temperature of 14.5°F (-9.7°C) is experienced in Helmville.Humidity
The months with the highest humidity in Helmville are January and February, with an average relative humidity of 89%.Rainfall
In Helmville, during January, the rain falls for 9.7 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Helmville, there are 114.8 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Helmville, during January, snow falls for 16.8 days and regularly aggregates up to 6.85" (174mm) of snow. In Helmville, during the entire year, snow falls for 86.9 days and aggregates up to 39.96" (1015mm) of snow.Daylight
In January, the average length of the day in Helmville is 9h and 2min.On the first day of the month, sunrise is at 8:16 am and sunset at 4:53 pm. On the last day of January, in Helmville, sunrise is at 7:57 am and sunset at 5:32 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Helmville. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Helmville, MT
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in January: 14.5°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in January
Helmville, MT
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Helmville, MT
- Average wind speed in January: 5.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Helmville, MT
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in January
Helmville, MT
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").
Average rainfall days in January
Helmville, MT
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in January
Helmville, MT
- Average snowfall in January: 6.85"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Helmville, MT
- Average snowfall days in January: 16.8 days
The month with the highest number of snowfall days is February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Helmville, MT
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in January
Helmville, MT
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in January
Helmville, MT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Helmville, MT
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in January
Helmville, MT
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





