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
January notes an average high-temperature of a wintry 32.2°F (0.1°C), subtly differing from December's 31.1°F (-0.5°C). During January nights, Acton witnesses a consistent average temperature of 19.2°F (-7.1°C).Humidity
With an average relative humidity of 76%, January is the most humid month.Rainfall
In Acton, in January, it is raining for 5.6 days, with typically 0.83" (21mm) of accumulated precipitation. In Acton, during the entire year, the rain falls for 120.5 days and collects up to 13.54" (344mm) of precipitation.Snowfall
Months with snowfall in Acton, Montana, are January through May, September through December. In January, it is snowing for 12.8 days. Throughout January, 5.43" (138mm) of snow is accumulated. Throughout the year, there are 68.6 snowfall days, and 32.56" (827mm) of snow is accumulated.Daylight
The average length of the day in January in Acton is 9h and 8min.On the first day of the month, sunrise is at 7:56 am and sunset at 4:40 pm. On the last day of January, in Acton, sunrise is at 7:38 am and sunset at 5:18 pm MST.
Sunshine
In January, the average sunshine in Acton is 5.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Acton in January?
What is the most humid month in Acton?
What is the average humidity in January in Acton?
How many days does it rain in January in Acton?
How much does it snow in Acton in January?
How many hours of daylight does Acton have in January?
When is the sunrise / sunset in January in Acton?
How long on average sun shines in January in Acton?
What is the month with the lowest UV index in Acton?
What is the UV index intensity in January in Acton?
Average temperature in January
Acton, MT
- Average high temperature in January: 32.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in January: 19.2°F
The months with the highest average low temperature are July and August (60.6°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in January
Acton, MT
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Acton, MT
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Acton, MT
- Average humidity in January: 76%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in January
Acton, MT
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Acton, MT
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in January
Acton, MT
- Average snowfall in January: 5.43"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Acton, MT
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Acton, MT
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in January
Acton, MT
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is September (21.1 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in January
Acton, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Acton, MT
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in January
Acton, 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).
Acton, Montana, USA
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