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
With average high temperatures of 34.9°F (1.6°C) and lows of 22.6°F (-5.2°C), December is the coldest month.Humidity
The average relative humidity in December is 86%.Rainfall
In Fort Klamath, in December, it is raining for 6.5 days, with typically 5.2" (132mm) of accumulated precipitation. Throughout the year, there are 91.3 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is December, when snow falls for 20.8 days and typically aggregates up to 39.72" (1009mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:44 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Fort Klamath have in December?
What is the UV index reading in December?
Average temperature in December
Fort Klamath, OR
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is August (46.8°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in December
Fort Klamath, OR
- 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 (29.98"Hg).
Average wind speed in December
Fort Klamath, OR
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Fort Klamath, OR
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and March (87%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in December
Fort Klamath, OR
- Average rainfall in December: 5.2"
The wettest month (with the highest rainfall) is January (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Fort Klamath, OR
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Fort Klamath, OR
- Average snowfall in December: 39.72"
The month with the highest snowfall is December (39.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Fort Klamath, OR
- Average snowfall days in December: 20.8 days
The month with the highest number of snowfall days is March (21.5 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Fort Klamath, OR
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Fort Klamath, OR
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in December
Fort Klamath, OR
- 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 February (UV index 1).
Average cloud cover in December
Fort Klamath, OR
- Average cloud cover in December: 57
The month with the most cloud cover is March (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Fort Klamath, OR
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Fort Klamath, Oregon, USA
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