December weather forecastWedderburn, OR
December
Weather in December
December, the first month of the winter in Wedderburn, is still a cool month, with an average temperature fluctuating between 43.9°F (6.6°C) and 50.7°F (10.4°C).Temperature
The start of December sees the average high-temperature at a still cool 50.7°F (10.4°C), showing little difference from November's 54.7°F (12.6°C). An average low-temperature of 43.9°F (6.6°C), slightly less than the daytime peak, marks the month of December.Humidity
The average relative humidity in December is 79%.Rainfall
December is the month with the most rainfall. Rain falls for 14.8 days and accumulates 3.82" (97mm) of precipitation.Snowfall
In Wedderburn, snow does not fall in January, March through December.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:55 pm PST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wedderburn, OR
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is August (66.7°F).
The month with the lowest average high temperature is February (50.5°F).
- Average low temperature in December: 43.9°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is March (43.5°F).
Average pressure in December
Wedderburn, OR
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Wedderburn, OR
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is June (11.6mph).
The calmest month (with the lowest average wind speed) is September (9.1mph).
Average humidity in December
Wedderburn, OR
- Average humidity in December: 79%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (78%).
Average rainfall in December
Wedderburn, OR
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Wedderburn, OR
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (1.3 days).
Average snowfall in December
Wedderburn, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Wedderburn, OR
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Wedderburn, OR
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Wedderburn, OR
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Wedderburn, OR
- Average UV index in December: 3
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, March, November and December (UV index 3).
Average cloud cover in December
Wedderburn, OR
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Wedderburn, OR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
