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
As December transitions into January, Arlee records an average high-temperature of a still freezing cold 28.8°F (-1.8°C), showing a gentle shift from the preceding month. Arlee's temperature in January lowers to a consistent average of 15.6°F (-9.1°C) during the nights.Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
In Arlee, Montana, in January, it is raining for 4.8 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 92.3 rainfall days, and 14.37" (365mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Arlee, during January, snow falls for 18.7 days and regularly aggregates up to 10" (254mm) of snow. Throughout the year, there are 121.1 snowfall days, and 68.31" (1735mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 1min.On the first day of the month, sunrise is at 8:22 am and sunset at 4:56 pm. On the last day of January, sunrise is at 8:02 am and sunset at 5:36 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 4.3h 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during January translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Arlee have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Arlee, MT
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in January: 15.6°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).
Average pressure in January
Arlee, 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 (29.93"Hg).
Average wind speed in January
Arlee, MT
- Average wind speed in January: 4.3mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Arlee, MT
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in January
Arlee, MT
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is April (1.61").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in January
Arlee, MT
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in January
Arlee, MT
- Average snowfall in January: 10"
The month with the highest snowfall is February (11.77").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Arlee, MT
- Average snowfall days in January: 18.7 days
The month with the highest number of snowfall days is March (19.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Arlee, MT
- Average daylight in January: 9h and 0min
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 36min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Arlee, MT
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in January
Arlee, MT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Arlee, MT
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in January
Arlee, 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, March, November and December (4mi).
Arlee, Montana, USA
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