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 average high-temperature for January is a still subzero cold 25.7°F (-3.5°C), closely aligning with the temperature of the preceding month. Tetonia's average low-temperature in January is measured at an extreme cold 9.1°F (-12.7°C).Humidity
In January, the average relative humidity is 92%.Rainfall
In Tetonia, in January, it is raining for 4.5 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 110.1 rainfall days, and 23.35" (593mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. The month with the most snowfall is January, when snow falls for 19.2 days and typically aggregates up to 24.06" (611mm) of snow.Daylight
The average length of the day in January in Tetonia is 9h and 22min.On the first day of January, sunrise is at 7:58 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:33 pm MST.
Sunshine
The month with the least sunshine in Tetonia is January, with an average of 4h of sunshine.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 1 in January leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Tetonia in January?
What is the average humidity in January in Tetonia?
How many days does it rain in January in Tetonia?
What is the snowiest month in Tetonia?
How many days does it snow in January in Tetonia?
How many hours of daylight does Tetonia have in January?
What time are sunrise and sunset in January in Tetonia?
What is the month with the least sunshine in Tetonia?
How many hours of sunshine does Tetonia have in January?
What are the months with the lowest UV index in Tetonia?
What is the UV index intensity in January in Tetonia?
Average temperature in January
Tetonia, ID
- Average high temperature in January: 25.7°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in January: 9.1°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in January
Tetonia, ID
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Tetonia, ID
- Average wind speed in January: 4.6mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).
Average humidity in January
Tetonia, ID
- Average humidity in January: 92%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in January
Tetonia, ID
- Average rainfall in January: 2.87"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in January
Tetonia, ID
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Tetonia, ID
- Average snowfall in January: 24.06"
The month with the highest snowfall is January (24.06").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Tetonia, ID
- Average snowfall days in January: 19.2 days
The month with the highest number of snowfall days is December (21.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Tetonia, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Tetonia, ID
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in January
Tetonia, ID
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in January
Tetonia, ID
- Average cloud cover in January: 61
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in January
Tetonia, ID
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Tetonia, Idaho, USA
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