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, with average temperatures reaching a high of 50.5°F (10.3°C) and a low of 43.2°F (6.2°C), is the coldest month.Humidity
April, October and December, with an average relative humidity of 80%, are the least humid months in Langlois.Rainfall
December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 5.83" (148mm) of precipitation.Snowfall
January, March through December are months without snowfall.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 7:29 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:53 pm PST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during December translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the average December temperature?
What is the least humid month in Langlois?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
When it does not snow in Langlois?
What is the month with the shortest days?
How many hours of daylight does Langlois have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Langlois, OR
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is August (66°F).
The month with the lowest average high temperature is December (50.5°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in December
Langlois, OR
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in December
Langlois, OR
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.1mph).
Average humidity in December
Langlois, OR
- Average humidity in December: 80%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are April, October and December (80%).
Average rainfall in December
Langlois, OR
- Average rainfall in December: 5.83"
The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Langlois, OR
- Average rainfall days in December: 18.2 days
The month with the highest number of rainy days is March (18.9 days).
The months with the least rainy days are July and August (3.6 days).
Average snowfall in December
Langlois, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Langlois, OR
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Langlois, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Langlois, OR
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (10.4 days).
Average UV index in December
Langlois, OR
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Langlois, OR
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Langlois, OR
- 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).
Langlois, Oregon, USA
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