December weather forecastLatah, WA
December
Weather in December
The first month of the winter, December, is still a cold month in Latah, Washington, with an average temperature ranging between min 23°F (-5°C) and max 32.7°F (0.4°C).Temperature
The coldest month is December, with an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 23°F (-5°C).Humidity
The average relative humidity in December in Latah, Washington, is 86%.Rainfall
The months with the most rainfall 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 Latah, during December, snow falls for 12.7 days and regularly aggregates up to 6.57" (167mm) of snow. Throughout the year, there are 53 snowfall days, and 29.69" (754mm) of snow is accumulated.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 Latah, sunrise is at 7:15 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:08 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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
Latah, 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: 3h and 54min
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
Latah, 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
Latah, 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
Latah, 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
Latah, 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).
