December weather forecastGates, OR
December
Weather in December
December, the first month of the winter in Gates, is also an icy month, with an average temperature varying between 42.6°F (5.9°C) and 31.1°F (-0.5°C).Temperature
The month of December sees the lowest average temperatures, reaching 42.6°F (5.9°C) at the peak and 31.1°F (-0.5°C) at the low.Humidity
In December, the average relative humidity is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 18.9 days and accumulates 6.65" (169mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Gates, in December, snow falls for 2.1 days, with typically accumulated 1.1" (28mm) of snow. In Gates, during the entire year, snow falls for 14.4 days and aggregates up to 15.59" (396mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:39 pm PST.
Sunshine
In Gates, the average sunshine in December is 3.8h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gates, OR
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in December
Gates, OR
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Gates, OR
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Gates, OR
- Average humidity in December: 85%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Gates, OR
- Average rainfall in December: 6.65"
The wettest month (with the highest rainfall) is December (6.65").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Gates, OR
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is July (5.4 days).
Average snowfall in December
Gates, OR
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gates, OR
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (5.3 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
Gates, OR
- Average daylight in December: 8h and 54min
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: 3h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Gates, OR
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Gates, 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 November (UV index 1).
Average cloud cover in December
Gates, OR
- Average cloud cover in December: 59
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Gates, OR
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).





