December weather forecastAllegany, OR
December
Weather in December
December, the first month of the winter in Allegany, is also a frosty month, with an average temperature fluctuating between 40.5°F (4.7°C) and 48.7°F (9.3°C).Temperature
The coldest period is December, when temperatures fluctuate between an average high of 48.7°F (9.3°C) and a low of 40.5°F (4.7°C).Humidity
The average relative humidity in December is 84%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.3 days and typically aggregates up to 6.06" (154mm) of precipitation.Snowfall
March through October and December are months without snowfall.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:50 pm PST.
Sunshine
In December, the average sunshine is 4.3h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Allegany, OR
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is August (68.5°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (40.3°F).
Average pressure in December
Allegany, OR
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in December
Allegany, OR
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Allegany, OR
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (81%).
Average rainfall in December
Allegany, OR
- Average rainfall in December: 6.06"
The wettest month (with the highest rainfall) is December (6.06").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Allegany, OR
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in December
Allegany, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Allegany, OR
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Allegany, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Allegany, OR
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Allegany, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Allegany, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 32).
Average visibility in December
Allegany, OR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The month with the lowest visibility is August (4mi).
