December weather forecastWapato, WA
December
Weather in December
December, the first month of the winter in Wapato, is also an icy month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 25.7°F (-3.5°C).Temperature
In Wapato, December is the month with the lowest recorded average temperatures, measuring a high of 37°F (2.8°C) and a low of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Wapato, Washington, in December, during 8.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Wapato, during the entire year, the rain falls for 78.5 days and collects up to 5.16" (131mm) of precipitation.Snowfall
January through March, September, November and December are months with snowfall. In December, it is snowing for 3.5 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 12.8 snowfall days, and 5.35" (136mm) of snow is accumulated.Daylight
The month with the shortest days in Wapato is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:24 pm PST.
Sunshine
In December, the average sunshine in Wapato is 5.9h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take precaution! The reflection from snow can almost 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
Wapato, WA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Wapato, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Wapato, WA
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in December
Wapato, WA
- Average humidity in December: 79%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in December
Wapato, WA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Wapato, WA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).
Average snowfall in December
Wapato, WA
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Wapato, WA
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Wapato, WA
- Average daylight in December: 8h and 42min
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 42min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Wapato, WA
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).
Average UV index in December
Wapato, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Wapato, WA
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Wapato, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
