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
Flat Rock observes an average high-temperature of a still subzero cold 24.1°F (-4.4°C) in January, barely different from 22.3°F (-5.4°C) in December. Flat Rock reports a consistent average low-temperature of 6.8°F (-14°C) throughout January nights.Humidity
January and February, with an average relative humidity of 94%, are the most humid months.Rainfall
In Flat Rock, during January, the rain falls for 3.8 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Flat Rock, during the entire year, the rain falls for 106.1 days and collects up to 20.83" (529mm) of precipitation.Snowfall
January through July, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 21.8 days and accumulates 19.84" (504mm) of snow.Daylight
The average length of the day in January is 9h and 17min.On the first day of January, sunrise is at 8:01 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:32 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index in Flat Rock, Idaho, are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Flat Rock?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Flat Rock, ID
- Average high temperature in January: 24.1°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 (22.3°F).
- Average low temperature in January: 6.8°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in January
Flat Rock, ID
- Average pressure in January: 30.26"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Flat Rock, ID
- Average wind speed in January: 4.4mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in January
Flat Rock, ID
- Average humidity in January: 94%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Flat Rock, ID
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in January
Flat Rock, ID
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Flat Rock, ID
- Average snowfall in January: 19.84"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in January
Flat Rock, ID
- Average snowfall days in January: 21.8 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in January /
Average sunshine in January
Flat Rock, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Flat Rock, ID
- Average sunshine days in January: 9.5 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in January
Flat Rock, ID
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Flat Rock, ID
- Average cloud cover in January: 64
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in January
Flat Rock, 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, February and December (3mi).
Flat Rock, Idaho, USA
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