December weather forecastRathdrum, ID
December
Weather in December
Winter's cold grip firmly takes hold in December, with temperature lows plummeting down to 21.2°F (-6°C). The highest rainfall within the year at 3.15" (80mm) indicates the wet nature of the season. Sweaters, scarfs, and warm boots become a necessity with snowfalls becoming regular occurrences. The extended darkness due to fewer daylight hours signals the height of winter. Preparations for snow-forward conditions become crucial for weathering the chills in Rathdrum.Temperature
The coldest month is December, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 21.2°F (-6°C).Humidity
In December, the average relative humidity in Rathdrum is 90%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 3.15" (80mm) of precipitation is accumulated. Throughout the year, in Rathdrum, there are 141.2 rainfall days, and 22.6" (574mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Rathdrum. In Rathdrum, during December, snow falls for 16.9 days and regularly aggregates up to 13.66" (347mm) of snow. In Rathdrum, during the entire year, snow falls for 71.8 days and aggregates up to 56.54" (1436mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:16 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:05 pm PST.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year in Rathdrum.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rathdrum, ID
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in December
Rathdrum, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Rathdrum, ID
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).
Average humidity in December
Rathdrum, ID
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Rathdrum, ID
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in December
Rathdrum, ID
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in December
Rathdrum, ID
- Average snowfall in December: 13.66"
The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Rathdrum, ID
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Rathdrum, ID
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Rathdrum, ID
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Rathdrum, 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 February, November and December (UV index 1).
Average cloud cover in December
Rathdrum, ID
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Rathdrum, 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).





