December weather forecastMethow, WA
December
Weather in December
December, the first month of the winter in Methow, is still a freezing cold month, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.7°F (-0.7°C).Temperature
The months of January and December are noted for their lowest temperatures, with an average high-temperature of 30.7°F (-0.7°C).Humidity
In December, the average relative humidity in Methow is 87%.Rainfall
The month with the most rainfall in Methow is December, when the rain falls for 8.6 days and typically aggregates up to 1.34" (34mm) of precipitation.Snowfall
Months with snowfall in Methow are January through March, November and December. December is the month with the most snowfall in Methow. Snow falls for 9.7 days and accumulates 4.72" (120mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:16 pm PST.
Sunshine
In Methow, the average sunshine in December is 4.6h.UV index
In Methow, Washington, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Methow, WA
- Average high temperature in December: 30.7°F
The warmest months (with the highest average high temperature) are July and August (83.1°F).
The months with the lowest average high temperature are January and December (30.7°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is August (57°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in December
Methow, WA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in December
Methow, WA
- Average wind speed in December: 3.7mph
The windiest months (with the highest average wind speed) are April, June and July (5.3mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).
Average humidity in December
Methow, WA
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Methow, WA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Methow, WA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in December
Methow, WA
- Average snowfall in December: 4.72"
The month with the highest snowfall is December (4.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Methow, WA
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is December (9.7 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
Methow, WA
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Methow, WA
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in December
Methow, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Methow, WA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Methow, WA
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
