December weather forecastMcCleary, WA
December
Weather in December
The first month of the winter, December, is still a cold month in McCleary, Washington, with an average temperature ranging between min 33.3°F (0.7°C) and max 42.3°F (5.7°C).Temperature
McCleary witnesses the coldest weather in December, with temperatures averaging a high of 42.3°F (5.7°C) and a low of 33.3°F (0.7°C).Humidity
The most humid month is December, with an average relative humidity of 91%.Rainfall
In McCleary, during December, the rain falls for 19.8 days and regularly aggregates up to 7.17" (182mm) of precipitation. Throughout the year, there are 183.5 rainfall days, and 44.17" (1122mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In McCleary, in December, snow falls for 1.2 days, with typically accumulated 0.24" (6mm) of snow. In McCleary, during the entire year, snow falls for 9.1 days and aggregates up to 5.75" (146mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:39 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:33 pm PST.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McCleary, WA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in December
McCleary, WA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in December
McCleary, WA
- Average wind speed in December: 4.1mph
The windiest month (with the highest average wind speed) is June (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.5mph).
Average humidity in December
McCleary, WA
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
McCleary, WA
- Average rainfall in December: 7.17"
The wettest month (with the highest rainfall) is January (7.32").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
McCleary, WA
- Average rainfall days in December: 19.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in December
McCleary, WA
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
McCleary, WA
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.5 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
McCleary, WA
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
McCleary, WA
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
McCleary, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
McCleary, WA
- Average cloud cover in December: 67
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
McCleary, WA
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
