December weather forecastSaint Martins Hot Springs, WA
December
Weather in December
The first month of the winter, December, is still a cold month in Saint Martins Hot Springs, Washington, with an average temperature varying between 27.7°F (-2.4°C) and 37.2°F (2.9°C).Temperature
With average high and low temperatures of 37.2°F (2.9°C) and 27.7°F (-2.4°C) respectively, December is Saint Martins Hot Springs's coldest month.Humidity
In December, the average relative humidity is 87%.Rainfall
In Saint Martins Hot Springs, during December, the rain falls for 19.9 days and regularly aggregates up to 6.93" (176mm) of precipitation. Throughout the year, there are 181 rainfall days, and 43.15" (1096mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 2.7 days. Throughout December, 2.32" (59mm) of snow is accumulated. In Saint Martins Hot Springs, during the entire year, snow falls for 13.5 days and aggregates up to 12.95" (329mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:33 pm PST.
Sunshine
In Saint Martins Hot Springs, the average sunshine in December is 3.5h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Martins Hot Springs, WA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure in December
Saint Martins Hot Springs, WA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in December
Saint Martins Hot Springs, WA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Saint Martins Hot Springs, WA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Saint Martins Hot Springs, WA
- Average rainfall in December: 6.93"
The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Saint Martins Hot Springs, WA
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).
Average snowfall in December
Saint Martins Hot Springs, WA
- Average snowfall in December: 2.32"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Saint Martins Hot Springs, WA
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (4.4 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
Saint Martins Hot Springs, WA
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Saint Martins Hot Springs, WA
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
Saint Martins Hot Springs, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Saint Martins Hot Springs, WA
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Saint Martins Hot Springs, WA
- Average visibility in December: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
