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
Salishan reaches its lowest average temperatures in December, measuring 47.7°F (8.7°C) at the peak and 40.6°F (4.8°C) at the lowest.Humidity
February, March, November and December, with an average relative humidity of 83%, are the most humid months in Salishan, Oregon.Rainfall
The month with the most rainfall in Salishan is December, when the rain falls for 16.5 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
March through October and December are months without snowfall in Salishan.Daylight
The month with the shortest days in Salishan is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:45 pm PST.
Sunshine
In Salishan, Oregon, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in Salishan?
What is the temperature in December in Salishan?
What are the most humid months in Salishan?
What is the average humidity in December in Salishan?
What is the rainiest month in Salishan?
How much does it rain in Salishan in December?
When it does not snow in Salishan?
Does it snow in Salishan in December?
What is the month with the shortest days in Salishan?
How many hours of daylight does Salishan have in December?
What time are sunrise and sunset in December in Salishan?
How many hours of sunshine does Salishan have in December?
When is the lowest UV index in Salishan?
What is the UV index reading in December in Salishan?
Average temperature in December
Salishan, OR
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
Salishan, OR
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in December
Salishan, OR
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Salishan, OR
- Average humidity in December: 83%
The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).
Average rainfall in December
Salishan, OR
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Salishan, OR
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in December
Salishan, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Salishan, OR
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Salishan, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in December
Salishan, OR
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in December
Salishan, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Salishan, OR
- Average cloud cover in December: 56
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Salishan, OR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Salishan, Oregon, USA
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