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
In Winston, the lowest temperatures are generally noted in December, averaging a high of 46.2°F (7.9°C) and a low of 32.9°F (0.5°C).Humidity
February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 17 days and typically aggregates up to 3.74" (95mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Winston. In December, in Winston, it is snowing for 0.6 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 4.7 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
The month with the shortest days in Winston, Oregon, is December, with an average of 9h and 6min of daylight.On the first day of December in Winston, sunrise is at 7:26 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:48 pm PST.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year in Winston.UV index
The months with the lowest UV index in Winston are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Winston?
What is the average December temperature in Winston?
What is the most humid month in Winston?
What is the average humidity in December in Winston?
What is the rainiest month in Winston?
How much does it rain in Winston in December?
How much does it snow in Winston in December?
What is the month with the shortest days in Winston?
How many hours of daylight does Winston have in December?
When is the sunrise / sunset in December in Winston?
What is the month with the least sunshine in Winston?
How long on average sun shines in December in Winston?
What is the month with the lowest UV index in Winston?
How high is the UV index in December in Winston?
Average temperature in December
Winston, OR
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in December
Winston, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Winston, OR
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in December
Winston, OR
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Winston, OR
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Winston, OR
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in December
Winston, OR
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Winston, OR
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.8 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
Winston, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Winston, OR
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in December
Winston, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Winston, OR
- Average cloud cover in December: 58
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Winston, OR
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Winston, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
