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 is the month when Marcola experiences its coldest temperatures, averaging a high of 46.2°F (7.9°C) and a low of 33.8°F (1°C).Humidity
The months with the highest humidity are January through March and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall in Marcola, Oregon. Rain falls for 13.4 days and accumulates 1.54" (39mm) of precipitation.Snowfall
January through March and December are months with snowfall in Marcola, Oregon. December is the first month it typically snows in Marcola. Throughout December, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. In Marcola, during the entire year, snow falls for 5 days and aggregates up to 2.36" (60mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:46 am and sunset at 4:43 pm PST.
Sunshine
In Marcola, the average sunshine in December is 4.2h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Marcola?
What is the usual temperature for Marcola in December?
What are the most humid months in Marcola?
What is the average humidity in December in Marcola?
What is the rainiest month in Marcola?
How many days does it rain in December in Marcola?
When does it start snowing in Marcola?
What is the month with the shortest days in Marcola?
What is the average length of the day in December in Marcola?
When are sunrise and sunset in December in Marcola?
How long on average sun shines in December in Marcola?
When is the lowest UV index in Marcola?
What is the UV index intensity in December in Marcola?
Average temperature in December
Marcola, OR
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in December
Marcola, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Marcola, OR
- Average wind speed in December: 4.4mph
The windiest months (with the highest average wind speed) are January and March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in December
Marcola, OR
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Marcola, OR
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Marcola, OR
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is December (13.4 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in December
Marcola, OR
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Marcola, OR
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2.3 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
Marcola, OR
- 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 August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Marcola, OR
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in December
Marcola, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Marcola, OR
- Average cloud cover in December: 58
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Marcola, OR
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Marcola, Oregon, USA
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