January weather forecastGarneill, MT
January
Weather in January
January, like December, is another subzero cold winter month in Garneill, Montana, 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 registers at a still subzero cold 31.1°F (-0.5°C), closely corresponding to the preceding month. January nights observe an average temperature dip to a still subzero cold 18°F (-7.8°C).Humidity
With an average relative humidity of 78%, January is the most humid month in Garneill.Rainfall
In Garneill, in January, during 7.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Garneill, 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 Garneill, during January, snow falls for 11.9 days and regularly aggregates up to 3.98" (101mm) of snow. Throughout the year, in Garneill, there are 72.8 snowfall days, and 33.5" (851mm) of snow is accumulated.Daylight
In Garneill, the average length of the day in January is 9h and 3min.On the first day of the month, sunrise is at 8:03 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:44 am and sunset at 5:20 pm MST.
Sunshine
In January, the average sunshine in Garneill is 6.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Garneill. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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 36min).
- 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
Garneill, 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
Garneill, 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
Garneill, 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
Garneill, 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).
