January weather forecastHarlowton, MT
January
Weather in January
January, the same as December, in Harlowton, Montana, is a freezing cold winter month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 31.1°F (-0.5°C).Temperature
The average high-temperature during January is a still freezing cold 31.1°F (-0.5°C), almost matching the conditions of the preceding month. The nighttime temperature dips to a still freezing cold 18°F (-7.8°C) on average during January.Humidity
The most humid month in Harlowton, Montana, is January, with an average relative humidity of 78%.Rainfall
In Harlowton, Montana, in January, during 7.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Harlowton, during the entire year, the rain falls for 128.6 days and collects up to 12.8" (325mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Harlowton. In Harlowton, during January, snow falls for 11.9 days and regularly aggregates up to 3.98" (101mm) of snow. In Harlowton, Montana, during the entire year, snow falls for 72.8 days and aggregates up to 33.5" (851mm) of snow.Daylight
In January, the average length of the day in Harlowton is 9h and 5min.On the first day of the month, sunrise is at 8:02 am and sunset at 4:42 pm. On the last day of January, in Harlowton, Montana, sunrise is at 7:43 am and sunset at 5:21 pm MST.
Sunshine
In Harlowton, the average sunshine in January is 6.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Harlowton, MT
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in January: 18°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in January
Harlowton, MT
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Harlowton, MT
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Harlowton, MT
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in January
Harlowton, MT
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in January
Harlowton, MT
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in January
Harlowton, MT
- Average snowfall in January: 3.98"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Harlowton, MT
- Average snowfall days in January: 11.9 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Harlowton, MT
- Average daylight in January: 9h and 6min
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 42min).
- Average sunshine in January: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in January
Harlowton, MT
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in January
Harlowton, 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, November and December (UV index 2).
Average cloud cover in January
Harlowton, MT
- Average cloud cover in January: 33
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Harlowton, 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).
