December weather forecastMcCall, ID
December
Weather in December
December announces the arrival of winter in full swing in McCall, Idaho. An impressive snowfall accumulation reaching up to 22.99" (584mm) is of note. As the city adorns its winter whites, the brisk chill infuses a spirited delight among residents. Daily routines adhere to winter's rhythms, while the brief daylight hours bestow an enchanting winter's glow over the town. Amid this cold and snowy realm, the town bustles with winter-themed festivities, light displays, and holiday cheer.Temperature
McCall witnesses the coldest weather in December, with temperatures averaging a high of 26.4°F (-3.1°C) and a low of 14°F (-10°C).Humidity
In McCall, the average relative humidity in December is 90%.Rainfall
In McCall, in December, it is raining for 5.7 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 116.3 rainfall days, and 27.24" (692mm) of precipitation is accumulated.Snowfall
Months with snowfall in McCall are January through June, September through December. In McCall, during December, snow falls for 19.2 days and regularly aggregates up to 22.99" (584mm) of snow. In McCall, during the entire year, snow falls for 119.5 days and aggregates up to 130.79" (3322mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:02 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 5:13 pm MST.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McCall, ID
- Average high temperature in December: 26.4°F
The warmest months (with the highest average high temperature) are July and August (76.6°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in December: 14°F
The month with the highest average low temperature is August (48.2°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
McCall, ID
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
McCall, ID
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is March (5.6mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
McCall, ID
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
McCall, ID
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is March (3.62").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
McCall, ID
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
McCall, ID
- Average snowfall in December: 22.99"
The month with the highest snowfall is January (26.89").
The months with the least snowfall are July and August (0").
Average snowfall days in December
McCall, ID
- Average snowfall days in December: 19.2 days
The month with the highest number of snowfall days is March (20.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
McCall, ID
- Average daylight in December: 8h and 48min
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 48min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in December
McCall, ID
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in December
McCall, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
McCall, ID
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
McCall, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
