Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, with an average high of 22.3°F (-5.4°C) and a low of 6.8°F (-14°C), signifies the coldest month of the year.Humidity
The average relative humidity in December is 92%.Rainfall
In Rea, in December, it is raining for 5.4 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Rea, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rea are January through July, September through December. In Rea, during December, snow falls for 23 days and regularly aggregates up to 16.5" (419mm) of snow. In Rea, Idaho, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.Daylight
December has the shortest days of the year in Rea, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:42 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:56 pm MST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rea. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Rea?
How cold is it in Rea in December?
What is the average humidity in December in Rea?
How much does it rain in Rea in December?
How many days does it snow in December in Rea?
What is the month with the shortest days in Rea?
What is the average length of the day in December in Rea?
When are sunrise and sunset in December in Rea?
How many hours of sunshine does Rea have in December?
When is the lowest UV index in Rea?
What is the UV index reading in December in Rea?
Average temperature in December
Rea, ID
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in December: 6.8°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in December
Rea, ID
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Rea, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Rea, ID
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Rea, ID
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Rea, ID
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Rea, ID
- Average snowfall in December: 16.5"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in December
Rea, ID
- Average snowfall days in December: 23 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Rea, ID
- Average daylight in December: 8h and 5min
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 54min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Rea, ID
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in December
Rea, ID
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Rea, ID
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Rea, ID
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Rea, Idaho, USA
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