December weather forecastRirie, ID
December
Weather in December
December, the first month of the winter in Ririe, is also a subzero cold month, with an average temperature varying between 27°F (-2.8°C) and 14.4°F (-9.8°C).Temperature
December is the coldest month, exhibiting average temperatures of 27°F (-2.8°C) at the peak and 14.4°F (-9.8°C) at the base.Humidity
In December, the average relative humidity is 88%.Rainfall
In Ririe, in December, during 5.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Ririe, during the entire year, the rain falls for 101.4 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Ririe, in December, snow falls for 16.9 days, with typically accumulated 7.28" (185mm) of snow. In Ririe, during the entire year, snow falls for 85.8 days and aggregates up to 40.94" (1040mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:00 pm MST.
Sunshine
In Ririe, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ririe, ID
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
Ririe, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Ririe, ID
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Ririe, ID
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Ririe, ID
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Ririe, ID
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Ririe, ID
- Average snowfall in December: 7.28"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ririe, 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 July and August (0 days).
Average daylight in December /
Average sunshine in December
Ririe, ID
- Average daylight in December: 9h and 0min
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 December: 4h and 54min
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 24min).
Average sunshine days in December
Ririe, ID
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Ririe, 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 and December (UV index 1).
Average cloud cover in December
Ririe, ID
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Ririe, ID
- Average visibility in December: 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, February and December (4mi).
