December weather forecastCheshire, OR
December
Weather in December
December, the first month of the winter in Cheshire, is still a chilly month, with an average temperature ranging between min 34.2°F (1.2°C) and max 45.7°F (7.6°C).Temperature
During the coldest month, December, temperatures average a high of 45.7°F (7.6°C) and a low of 34.2°F (1.2°C).Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.81" (46mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cheshire, during December, snow falls for 0.4 days and regularly aggregates up to 0.24" (6mm) of snow. In Cheshire, during the entire year, snow falls for 4 days and aggregates up to 2.01" (51mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:44 pm PST.
Sunshine
The average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cheshire, OR
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in December
Cheshire, OR
- Average pressure in December: 30.1"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
Cheshire, OR
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is March (4.6mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).
Average humidity in December
Cheshire, OR
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Cheshire, OR
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Cheshire, OR
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in December
Cheshire, OR
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cheshire, OR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.8 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
Cheshire, 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: 4h and 6min
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 0min).
Average sunshine days in December
Cheshire, OR
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Cheshire, OR
- Average UV index in December: 2
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, November and December (UV index 2).
Average cloud cover in December
Cheshire, OR
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Cheshire, OR
- Average visibility in December: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
