December weather forecastPost, OR
December
Weather in December
The first month of the winter, December, is still a cold month in Post, Oregon, with an average temperature ranging between max 36.1°F (2.3°C) and min 24.3°F (-4.3°C).Temperature
With average high and low temperatures of 36.1°F (2.3°C) and 24.3°F (-4.3°C) respectively, December is Post's coldest month.Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In Post, in December, it is raining for 5.6 days, with typically 0.63" (16mm) of accumulated precipitation. In Post, during the entire year, the rain falls for 65.5 days and collects up to 5.67" (144mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. In Post, in December, during 4.8 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Post, during the entire year, snow falls for 20.9 days and aggregates up to 9.02" (229mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:33 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Post, OR
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in December
Post, OR
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Post, OR
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in December
Post, OR
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in December
Post, OR
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (0.67").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Post, OR
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is July (2 days).
Average snowfall in December
Post, OR
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Post, OR
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Post, 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: 5h and 24min
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 24min).
Average sunshine days in December
Post, OR
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (19.5 days).
Average UV index in December
Post, 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, March, November and December (UV index 2).
Average cloud cover in December
Post, OR
- 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
Post, OR
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
