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
Upon the onset of January, Perma witnesses an average high-temperature of a still subzero cold 29.8°F (-1.2°C), showing a close resemblance to the prior month. An average low-temperature of 18°F (-7.8°C) is expected during January.Humidity
January is the most humid month in Perma, with an average relative humidity of 91%.Rainfall
In Perma, in January, it is raining for 9.1 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Perma, Montana, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Perma. In Perma, in January, snow falls for 13.9 days, with typically accumulated 5.91" (150mm) of snow. In Perma, during the entire year, snow falls for 67.1 days and aggregates up to 28.27" (718mm) of snow.Daylight
In January, the average length of the day is 8h and 59min.On the first day of January, sunrise is at 8:25 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:37 pm MST.
Sunshine
The month with the least sunshine in Perma, Montana, is January, with an average of 4.7h of sunshine.UV index
In Perma, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Perma?
What is the most humid month in Perma?
What is the average humidity in January in Perma?
How much does it rain in Perma in January?
How much does it snow in Perma in January?
What is the average length of the day in January in Perma?
When are sunrise and sunset in January in Perma?
What is the month with the least sunshine in Perma?
How long on average sun shines in January in Perma?
How high is the UV index in January in Perma?
Average temperature in January
Perma, MT
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in January
Perma, MT
- Average pressure in January: 30.18"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Perma, MT
- Average wind speed in January: 3.9mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).
Average humidity in January
Perma, 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 (49%).
Average rainfall in January
Perma, MT
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in January
Perma, MT
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in January
Perma, MT
- Average snowfall in January: 5.91"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Perma, MT
- Average snowfall days in January: 13.9 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Perma, 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 30min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Perma, MT
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).
Average UV index in January
Perma, 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 February and December (UV index 1).
Average cloud cover in January
Perma, MT
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Perma, 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).
Perma, Montana, USA
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