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's arrival brings an average high-temperature of a still subzero cold 27.3°F (-2.6°C), slightly deviating from December's 25.5°F (-3.6°C). An average nighttime temperature of 14.2°F (-9.9°C) is observed during January.Humidity
The most humid month is January, with an average relative humidity of 95%.Rainfall
In January, the rain falls for 8.3 days. Throughout January, 1.46" (37mm) of precipitation is accumulated. In Trego, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 21.2 days. Throughout January, 9.37" (238mm) of snow is accumulated. In Trego, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.Daylight
In Trego, the average length of the day in January is 8h and 50min.On the first day of January, sunrise is at 8:32 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:35 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 3.1h 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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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 many days does it rain in January in Trego?
How many days does it snow in January?
How many hours of daylight does Trego have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Trego have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Trego, MT
- Average high temperature in January: 27.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in January: 14.2°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in January
Trego, MT
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Trego, MT
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in January
Trego, MT
- Average humidity in January: 95%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in January
Trego, MT
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in January
Trego, MT
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in January
Trego, MT
- Average snowfall in January: 9.37"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Trego, MT
- Average snowfall days in January: 21.2 days
The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Trego, MT
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Trego, MT
- Average sunshine days in January: 9 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in January
Trego, 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
Trego, MT
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Trego, MT
- Average visibility in January: 2mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Trego, Montana, USA
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