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 commencement of January introduces an average high-temperature of a still subzero cold 27.3°F (-2.6°C), closely mirroring the preceding month. In the month of January, the nighttime temperature dips to a steady average of 9.5°F (-12.5°C).Humidity
The average relative humidity in January is 88%.Rainfall
In January, the rain falls for 6.3 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. In Lemhi, Idaho, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Lemhi, during January, snow falls for 9.4 days and regularly aggregates up to 3.31" (84mm) of snow. Throughout the year, there are 63.5 snowfall days, and 22.76" (578mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 16min.On the first day of January, sunrise is at 8:12 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:40 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 1 during January translates into the following guidance:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Lemhi have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Lemhi, ID
- Average high temperature in January: 27.3°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in January: 9.5°F
The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).
Average pressure in January
Lemhi, ID
- Average pressure in January: 30.25"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Lemhi, ID
- Average wind speed in January: 4.8mph
The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Lemhi, ID
- Average humidity in January: 88%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
Lemhi, ID
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in January
Lemhi, ID
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Lemhi, ID
- Average snowfall in January: 3.31"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Lemhi, ID
- Average snowfall days in January: 9.4 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Lemhi, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Lemhi, ID
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index in January
Lemhi, 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 and December (UV index 1).
Average cloud cover in January
Lemhi, ID
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Lemhi, ID
- 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).
Lemhi, Idaho, USA
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