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
Pierce's coldest month, December, registers temperatures that range from a high of 34.2°F (1.2°C) to a low of 22.8°F (-5.1°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Pierce, in December, during 12.5 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Pierce, during the entire year, the rain falls for 146.2 days and collects up to 21.65" (550mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Pierce, in December, snow falls for 10.8 days, with typically accumulated 6.26" (159mm) of snow. Throughout the year, there are 37.7 snowfall days, and 23.19" (589mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 3:57 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:06 pm PST.
Sunshine
The average sunshine in December is 4.4h.UV index
February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Pierce?
How many hours of sunshine does Pierce have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pierce, ID
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in December
Pierce, ID
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in December
Pierce, ID
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.7mph).
Average humidity in December
Pierce, ID
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Pierce, ID
- Average rainfall in December: 2.56"
The wettest months (with the highest rainfall) are January and March (2.8").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Pierce, ID
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in December
Pierce, ID
- Average snowfall in December: 6.26"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pierce, ID
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is December (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pierce, ID
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Pierce, ID
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Pierce, 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
Pierce, ID
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Pierce, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Pierce, Idaho, USA
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