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
During the coldest month, December, temperatures average a high of 31.3°F (-0.4°C) and a low of 19.4°F (-7°C).Humidity
The average relative humidity in December in Placerville is 82%.Rainfall
In December, in Placerville, the rain falls for 5.9 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Placerville, Idaho, during the entire year, the rain falls for 103.4 days and collects up to 19.84" (504mm) of precipitation.Snowfall
January through June, October through December are months with snowfall in Placerville. In Placerville, in December, snow falls for 14.4 days, with typically accumulated 17.32" (440mm) of snow. In Placerville, during the entire year, snow falls for 79.1 days and aggregates up to 88.94" (2259mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:59 am and sunset at 5:07 pm. On the last day of December, sunrise is at 8:18 am and sunset at 5:16 pm MST.
Sunshine
The month with the least sunshine in Placerville is December, with an average of 5.2h of sunshine.UV index
In Placerville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the coldest time of year in Placerville?
How cold is it in Placerville in December?
What is the average humidity in December in Placerville?
How much does it rain in Placerville in December?
How much does it snow in Placerville in December?
What is the month with the shortest days in Placerville?
What is the average length of the day in December in Placerville?
When are sunrise and sunset in December in Placerville?
What is the month with the least sunshine in Placerville?
How many hours of sunshine does Placerville have in December?
How high is the UV index in December in Placerville?
Average temperature in December
Placerville, ID
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in December
Placerville, ID
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in December
Placerville, ID
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Placerville, ID
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in December
Placerville, ID
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Placerville, ID
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Placerville, ID
- Average snowfall in December: 17.32"
The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").
Average snowfall days in December
Placerville, ID
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Placerville, 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 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Placerville, ID
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in December
Placerville, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Placerville, ID
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Placerville, ID
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Placerville, Idaho, USA
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