January weather forecastBlackfoot, ID
January
Weather in January
The season of winter asserts itself strongly in Blackfoot, Idaho during January, with cold being the defining characteristic. The weather transitions from the milder December, creating a distinctive shift in the environment. As a high of 28.9°F (-1.7°C) and a low of 16.2°F (-8.8°C) is observed, one can expect a considerable amount of snowfall reaching as much as 7.83" (199mm). Nighttime temperatures during this month can commonly drop significantly, leading to frost and frozen landscapes. It is advisable to dress warmly for this time of the year in Blackfoot, as the temperatures are persistently low.Temperature
Blackfoot measures an average high-temperature of a still freezing cold 28.9°F (-1.7°C) in January, nearly consistent with the preceding month. Throughout January nights, Blackfoot experiences a consistent temperature average of 16.2°F (-8.8°C).Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
In Blackfoot, during January, the rain falls for 7.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Blackfoot, during the entire year, the rain falls for 120.8 days and collects up to 10.67" (271mm) 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 15.6 days and typically aggregates up to 7.83" (199mm) of snow.Daylight
In January, the average length of the day is 9h and 25min.On the first day of the month, sunrise is at 8:01 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:45 am and sunset at 5:39 pm MST.
Sunshine
With an average of 5.1h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Blackfoot, ID
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Blackfoot, ID
- Average pressure in January: 30.3"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Blackfoot, ID
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in January
Blackfoot, ID
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (34%).
Average rainfall in January
Blackfoot, ID
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Blackfoot, ID
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (7.3 days).
Average snowfall in January
Blackfoot, ID
- Average snowfall in January: 7.83"
The month with the highest snowfall is January (7.83").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Blackfoot, ID
- Average snowfall days in January: 15.6 days
The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Blackfoot, ID
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Blackfoot, ID
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in January
Blackfoot, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Blackfoot, ID
- Average cloud cover in January: 47
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Blackfoot, ID
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
