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
Colton's coldest month, December, generally records average temperatures ranging from a high of 43.7°F (6.5°C) to a low of 33.3°F (0.7°C).Humidity
The average relative humidity in December is 84%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.6 days and typically aggregates up to 5.39" (137mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Colton, during December, snow falls for 0.8 days and regularly aggregates up to 0.79" (20mm) of snow. In Colton, during the entire year, snow falls for 7.3 days and aggregates up to 5.91" (150mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:29 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:37 pm PST.
Sunshine
In December, the average sunshine in Colton is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
Is it cold during December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Colton have in December?
When are sunrise and sunset in December?
How long on average sun shines in December in Colton?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Colton, OR
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in December
Colton, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Colton, OR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is January (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Colton, OR
- Average humidity in December: 84%
The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Colton, OR
- Average rainfall in December: 5.39"
The wettest month (with the highest rainfall) is December (5.39").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Colton, OR
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in December
Colton, OR
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Colton, OR
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Colton, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Colton, OR
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Colton, OR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Colton, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Colton, OR
- Average visibility in December: 5mi
The months with the highest visibility are August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
Colton, Oregon, USA
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