January weather forecastHailey, ID
January
Weather in January
Hailey, Idaho, observes the beginning of the year with substantial cold and frequent snowfall. The temperature drops sharply and a thick snow blanket often covers the landscape. Highs of 27.9°F (-2.3°C) and lows of 9.5°F (-12.5°C) dominate the month, requiring residents and visitors to bundle up well against the chill. Snowy days, translating to approximately 13.6 days of snow, contribute to the weather and adds to the beauty of the Idaho scenery. Ski fanatics find January's weather condition extremely conducive for outdoor sports.Temperature
The arrival of January in Hailey brings an average high-temperature of a still subzero cold 27.9°F (-2.3°C), closely following the temperature pattern of December. Hailey, in January, experiences an average temperature of 9.5°F (-12.5°C) at night.Humidity
In Hailey, the average relative humidity in January is 84%.Rainfall
In January, the rain falls for 4.7 days. Throughout January, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 85.1 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In January, it is snowing for 13.6 days. Throughout January, 12.99" (330mm) of snow is accumulated. In Hailey, during the entire year, snow falls for 72.5 days and aggregates up to 57.05" (1449mm) of snow.Daylight
The average length of the day in January is 9h and 23min.On the first day of January, sunrise is at 8:10 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:46 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 5.6h of sunshine.UV index
In Hailey, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hailey, ID
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in January: 9.5°F
The months with the highest average low temperature are July and August (52.3°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in January
Hailey, ID
- Average pressure in January: 30.28"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Hailey, ID
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is July (7.3mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in January
Hailey, ID
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (34%).
Average rainfall in January
Hailey, ID
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Hailey, ID
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in January
Hailey, ID
- Average snowfall in January: 12.99"
The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Hailey, ID
- Average snowfall days in January: 13.6 days
The month with the highest number of snowfall days is December (14.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Hailey, ID
- Average daylight in January: 9h and 24min
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: 5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Hailey, ID
- Average sunshine days in January: 17 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in January
Hailey, 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 February (UV index 1).
Average cloud cover in January
Hailey, ID
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Hailey, 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 and February (4mi).
