December weather forecastMill City, OR
December
Weather in December
December, the first month of the winter in Mill City, is also a wintry month, with an average temperature fluctuating between 42.6°F (5.9°C) and 31.1°F (-0.5°C).Temperature
December stands out as Mill City's coldest month, with temperatures ranging between an average high of 42.6°F (5.9°C) and a low of 31.1°F (-0.5°C).Humidity
In Mill City, the average relative humidity in December is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 18.9 days and accumulates 6.65" (169mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.1 days. Throughout December, 1.1" (28mm) of snow is accumulated. Throughout the year, there are 14.4 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:39 pm PST.
Sunshine
The average sunshine in December is 3.8h.UV index
In Mill City, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mill City, OR
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in December
Mill City, OR
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Mill City, OR
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Mill City, OR
- Average humidity in December: 85%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Mill City, OR
- Average rainfall in December: 6.65"
The wettest month (with the highest rainfall) is December (6.65").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Mill City, OR
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is July (5.4 days).
Average snowfall in December
Mill City, OR
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mill City, OR
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (5.3 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
Mill City, OR
- Average daylight in December: 8h and 54min
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: 3h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Mill City, OR
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Mill City, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Mill City, OR
- Average cloud cover in December: 59
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Mill City, OR
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
