Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Polson marks the onset of January with an average high-temperature of a still subzero cold 29.7°F (-1.3°C), a subtle shift from December's 27.9°F (-2.3°C). Polson sees an average low-temperature of 17.8°F (-7.9°C) during January.Humidity
January is the most humid month, with an average relative humidity of 91%.Rainfall
In January, in Polson, the rain falls for 12.4 days. Throughout January, 1.69" (43mm) of precipitation is accumulated. In Polson, during the entire year, the rain falls for 160.2 days and collects up to 18.11" (460mm) of precipitation.Snowfall
Months with snowfall in Polson are January through May, September through December. In Polson, during January, snow falls for 19.7 days and regularly aggregates up to 10.24" (260mm) of snow. Throughout the year, there are 99 snowfall days, and 47.28" (1201mm) of snow is accumulated.Daylight
The average length of the day in January in Polson, Montana, is 8h and 57min.On the first day of the month, sunrise is at 8:25 am and sunset at 4:55 pm. On the last day of January, sunrise is at 8:04 am and sunset at 5:35 pm MST.
Sunshine
January has the least sunshine of the year in Polson, with an average of 4.5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in January transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Polson in January?
What is the most humid month in Polson?
What is the average humidity in January in Polson?
How much does it rain in Polson in January?
How many days does it snow in January in Polson?
How many hours of daylight does Polson have in January?
When is the sunrise / sunset in January in Polson?
What is the month with the least sunshine in Polson?
How long on average sun shines in January in Polson?
What is the month with the lowest UV index in Polson?
How high is the UV index in January in Polson?
Average temperature in January
Polson, MT
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in January: 17.8°F
The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in January
Polson, MT
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Polson, MT
- Average wind speed in January: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Polson, MT
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in January
Polson, MT
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in January
Polson, MT
- Average rainfall days in January: 12.4 days
The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).
Average snowfall in January
Polson, MT
- Average snowfall in January: 10.24"
The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Polson, MT
- Average snowfall days in January: 19.7 days
The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Polson, MT
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Polson, MT
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).
Average UV index in January
Polson, MT
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Polson, MT
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in January
Polson, MT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Polson, Montana, USA
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