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
Darby, Montana, ushers in January with an average high-temperature of a still freezing cold 28.8°F (-1.8°C), showing a close resemblance to the previous month. The average temperature during January nights is registered at a still subzero cold 16.2°F (-8.8°C).Humidity
With an average relative humidity of 89%, January is the most humid month in Darby, Montana.Rainfall
In Darby, in January, it is raining for 11.9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Darby. In Darby, Montana, in January, snow falls for 18.6 days, with typically accumulated 11.89" (302mm) of snow. In Darby, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.Daylight
In Darby, the average length of the day in January is 9h and 8min.On the first day of January, sunrise is at 8:18 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:39 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.4h of sunshine.UV index
In January, the average daily maximum UV index in Darby is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is January in Darby?
What is the most humid month in Darby?
What is the average humidity in January in Darby?
How many days does it rain in January in Darby?
How many days does it snow in January in Darby?
What is the average length of the day in January in Darby?
When is the sunrise / sunset in January in Darby?
What is the month with the least sunshine in Darby?
How many hours of sunshine does Darby have in January?
What is the UV index intensity in January in Darby?
Average temperature in January
Darby, MT
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in January
Darby, MT
- Average pressure in January: 30.21"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Darby, MT
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Darby, MT
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Darby, MT
- Average rainfall in January: 2.05"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in January
Darby, MT
- Average rainfall days in January: 11.9 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in January
Darby, MT
- Average snowfall in January: 11.89"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Darby, MT
- Average snowfall days in January: 18.6 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Darby, 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 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Darby, MT
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in January
Darby, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in January
Darby, MT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Darby, 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 and December (4mi).
Darby, Montana, USA
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