Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Waverly's December weather, with an average high temperature of 32.7°F (0.4°C) and an average low temperature of 23°F (-5°C), tends to be the coldest of the year.Humidity
The average relative humidity in December is 86%.Rainfall
The months with the most rainfall in Waverly are January, March and December, with an average 1.85" (47mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Waverly. In Waverly, during December, snow falls for 12.7 days and regularly aggregates up to 6.57" (167mm) of snow. In Waverly, during the entire year, snow falls for 53 days and aggregates up to 29.69" (754mm) 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 the month, sunrise is at 7:16 am and sunset at 4:00 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:08 pm PST.
Sunshine
With an average of 3.9h of sunshine, December has the least sunshine of the year in Waverly.UV index
The month with the lowest UV index in Waverly is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Waverly?
How cold is it in Waverly in December?
What is the average humidity in December in Waverly?
What is the wettest month in Waverly?
How many days does it rain in December in Waverly?
How many days does it snow in December in Waverly?
What is the month with the shortest days in Waverly?
What is the average length of the day in December in Waverly?
What time are sunrise and sunset in December in Waverly?
What is the month with the least sunshine in Waverly?
How many hours of sunshine does Waverly have in December?
What is the month with the lowest UV index in Waverly?
What is the UV index reading in December in Waverly?
Average temperature in December
Waverly, WA
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (32.7°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in December
Waverly, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Waverly, WA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Waverly, WA
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Waverly, WA
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are January, March and December (1.85").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Waverly, WA
- Average rainfall days in December: 8.4 days
The months with the highest number of rainy days are March and April (14.1 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in December
Waverly, WA
- Average snowfall in December: 6.57"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Waverly, WA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Waverly, WA
- Average daylight in December: 8h and 3min
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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Waverly, WA
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in December
Waverly, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Waverly, WA
- Average cloud cover in December: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Waverly, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Waverly, Washington, USA
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