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
The advent of January denotes an average high-temperature of a still subzero cold 27.9°F (-2.3°C), subtly different from December's 27.1°F (-2.7°C). During January, the temperature in Terreton tends to dip to an average of 13.8°F (-10.1°C) at night.Humidity
With an average relative humidity of 90%, January is the most humid month.Rainfall
In Terreton, in January, it is raining for 7.8 days, with typically 1.06" (27mm) of accumulated precipitation. In Terreton, during the entire year, the rain falls for 112.3 days and collects up to 10.94" (278mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is January, when snow falls for 17.3 days and typically aggregates up to 8.31" (211mm) of snow.Daylight
In January, the average length of the day is 9h and 22min.On the first day of the month, sunrise is at 8:03 am and sunset at 5:02 pm. On the last day of January, in Terreton, sunrise is at 7:47 am and sunset at 5:38 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 4.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Terreton. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 1 during January translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is January in Terreton?
What is the most humid month in Terreton?
What is the average humidity in January in Terreton?
How much does it rain in Terreton in January?
What is the snowiest month in Terreton?
How much does it snow in Terreton in January?
How many hours of daylight does Terreton have in January?
When is the sunrise / sunset in January in Terreton?
What is the month with the least sunshine in Terreton?
How long on average sun shines in January in Terreton?
What are the months with the lowest UV index in Terreton?
What is the UV index intensity in January in Terreton?
Average temperature in January
Terreton, ID
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in January: 13.8°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in January
Terreton, ID
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Terreton, ID
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in January
Terreton, ID
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
Terreton, ID
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Terreton, ID
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is July (5.8 days).
Average snowfall in January
Terreton, ID
- Average snowfall in January: 8.31"
The month with the highest snowfall is January (8.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Terreton, ID
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Terreton, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Terreton, ID
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in January
Terreton, ID
- 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 and December (UV index 1).
Average cloud cover in January
Terreton, ID
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Terreton, ID
- Average visibility in January: 4mi
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 and December (4mi).
Terreton, Idaho, USA
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