December weather forecastWarm River, ID
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Warm River, Idaho, with an average temperature ranging between max 25°F (-3.9°C) and min 11.5°F (-11.4°C).Temperature
Warm River's December weather, with an average high temperature of 25°F (-3.9°C) and an average low temperature of 11.5°F (-11.4°C), tends to be the coldest of the year.Humidity
In Warm River, Idaho, the average relative humidity in December is 89%.Rainfall
In Warm River, in December, it is raining for 7.5 days, with typically 1.93" (49mm) of accumulated precipitation. In Warm River, during the entire year, the rain falls for 121 days and collects up to 20.12" (511mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Warm River, during December, snow falls for 21.6 days and regularly aggregates up to 14.92" (379mm) of snow. In Warm River, during the entire year, snow falls for 119.7 days and aggregates up to 88.23" (2241mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December in Warm River, sunrise is at 7:41 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:57 pm MST.
Sunshine
In December, the average sunshine in Warm River is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties 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
Warm River, ID
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Warm River, ID
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Warm River, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Warm River, ID
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Warm River, ID
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Warm River, ID
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Warm River, ID
- Average snowfall in December: 14.92"
The month with the highest snowfall is January (20").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Warm River, ID
- Average snowfall days in December: 21.6 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Warm River, ID
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Warm River, ID
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in December
Warm River, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Warm River, ID
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Warm River, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





