December weather forecastRexburg, ID
December
Weather in December
December sees Rexburg fully engulfed in winter, associated with a sharp drop in temperatures to around 26.6°F (-3°C) for the high and 14.9°F (-9.5°C) for the low. Snowfall becomes frequent, wrapping the city in a thick blanket of white. The fading daylight hours and frequent snow give Rexburg a wonderful wintery ambiance, closing out the year in a serene, frosty setting. Sustained low temperatures and high humidity ensure that the mesmerizing white panorama persists into the New Year.Temperature
December brings the lowest temperatures, with an average high of 26.6°F (-3°C) and an average low of 14.9°F (-9.5°C).Humidity
In Rexburg, the average relative humidity in December is 87%.Rainfall
In Rexburg, during December, the rain falls for 9.3 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Rexburg, during the entire year, the rain falls for 120.3 days and collects up to 11.02" (280mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Rexburg, in December, snow falls for 17.6 days, with typically accumulated 6.38" (162mm) of snow. Throughout the year, there are 84.8 snowfall days, and 31.85" (809mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:42 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:59 pm MST.
Sunshine
The average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rexburg, ID
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Rexburg, 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
Rexburg, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Rexburg, ID
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Rexburg, ID
- Average rainfall in December: 0.87"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Rexburg, ID
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in December
Rexburg, ID
- Average snowfall in December: 6.38"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Rexburg, ID
- Average snowfall days in December: 17.6 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Rexburg, 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: 5h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Rexburg, ID
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Rexburg, 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 and December (UV index 1).
Average cloud cover in December
Rexburg, ID
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Rexburg, 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).
