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
December, marked by an average high-temperature of 45.1°F (7.3°C) and a low-temperature of 39.2°F (4°C), is the coldest month.Humidity
January, November and December, with an average relative humidity of 84%, are the most humid months in Kalaloch.Rainfall
In Kalaloch, in December, during 18.5 rainfall days, 6.1" (155mm) of precipitation is typically accumulated. Throughout the year, in Kalaloch, there are 169.3 rainfall days, and 37.83" (961mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Kalaloch. Throughout December, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 3.9 snowfall days, and 1.5" (38mm) 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 Kalaloch, sunrise is at 7:45 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:36 pm PST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Kalaloch?
What is the temperature in December in Kalaloch?
What are the most humid months in Kalaloch?
What is the average humidity in December in Kalaloch?
How many days does it rain in December in Kalaloch?
When does it start snowing in Kalaloch?
What is the month with the shortest days in Kalaloch?
How many hours of daylight does Kalaloch have in December?
When are sunrise and sunset in December in Kalaloch?
How long on average sun shines in December in Kalaloch?
What are the months with the lowest UV index in Kalaloch?
What is the UV index reading in December in Kalaloch?
Average temperature in December
Kalaloch, WA
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is February (38.7°F).
Average pressure in December
Kalaloch, WA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in December
Kalaloch, WA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Kalaloch, WA
- Average humidity in December: 84%
The months with the highest relative humidity are January, November and December (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall in December
Kalaloch, WA
- Average rainfall in December: 6.1"
The wettest month (with the highest rainfall) is January (6.89").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
Kalaloch, WA
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is November (19.4 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Kalaloch, WA
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Kalaloch, WA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.5 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
Kalaloch, 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: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Kalaloch, WA
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (9.4 days).
Average UV index in December
Kalaloch, WA
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Kalaloch, WA
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Kalaloch, WA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Kalaloch, Washington, USA
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