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, Winston witnesses an average high-temperature of a still subzero cold 28.9°F (-1.7°C), showing a close resemblance to the prior month. Winston throughout January, experiences an average nighttime temperature of 14.5°F (-9.7°C).Humidity
The most humid month is January, with an average relative humidity of 86%.Rainfall
In Winston, in January, it is raining for 6.2 days, with typically 0.59" (15mm) of accumulated precipitation. In Winston, during the entire year, the rain falls for 117.5 days and collects up to 10.24" (260mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Winston, in January, snow falls for 13 days, with typically accumulated 4.13" (105mm) of snow. In Winston, during the entire year, snow falls for 72.8 days and aggregates up to 26.22" (666mm) of snow.Daylight
In Winston, the average length of the day in January is 9h and 5min.On the first day of the month, sunrise is at 8:10 am and sunset at 4:49 pm. On the last day of January, in Winston, sunrise is at 7:51 am and sunset at 5:28 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 5.5h of sunshine.UV index
In Winston, Montana, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during January translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Winston in January?
What is the most humid month in Winston?
What is the average humidity in January in Winston?
How many days does it rain in January in Winston?
How much does it snow in Winston in January?
How many hours of daylight does Winston have in January?
What time are sunrise and sunset in January in Winston?
What is the month with the least sunshine in Winston?
How many hours of sunshine does Winston have in January?
What is the UV index reading in January in Winston?
Average temperature in January
Winston, MT
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in January: 14.5°F
The months with the highest average low temperature are July and August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in January
Winston, MT
- Average pressure in January: 30.17"Hg
The months with the highest atmospheric pressure are January and December (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Winston, MT
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Winston, MT
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in January
Winston, MT
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (1.65").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in January
Winston, MT
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in January
Winston, MT
- Average snowfall in January: 4.13"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Winston, MT
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is February (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Winston, MT
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Winston, MT
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in January
Winston, 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
Winston, MT
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in January
Winston, MT
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Winston, Montana, USA
Weather forecast for your location
2. Allow the app to use your location