December weather forecastWenatchee, WA
December
Weather in December
Concluding the cycle, December brings back strong winter weather to Wenatchee, with the mercury dropping further and an increase in snowfall, amounting to 4.76" (121mm). With the initiation of winter, daylight dwindles to its lowest, with only 8.5 hours of illumination. Despite the cold and snow, December still possesses a certain charm, especially when the cityscape is blanketed by fresh white snow. The intermittent winter sunshine both dazzles and deceives, with temperatures invariably leaning towards the cold side. The city thus bids adieu to the year, enshrouded in a serene winter atmosphere.Temperature
December is the coldest month, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 20.7°F (-6.3°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Wenatchee, in December, during 10 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Wenatchee, Washington, during the entire year, the rain falls for 111.1 days and collects up to 11.3" (287mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 6.9 days and typically aggregates up to 4.76" (121mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December in Wenatchee, sunrise is at 7:28 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:20 pm PST.
Sunshine
In December, the average sunshine is 4.9h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wenatchee, WA
- Average high temperature in December: 32.4°F
The warmest months (with the highest average high temperature) are July and August (82.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Wenatchee, WA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Wenatchee, WA
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in December
Wenatchee, WA
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in December
Wenatchee, WA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is January (1.77").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in December
Wenatchee, WA
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
Wenatchee, WA
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wenatchee, WA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wenatchee, WA
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Wenatchee, WA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Wenatchee, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Wenatchee, WA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Wenatchee, WA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
