December weather forecastGervais, OR
December
Weather in December
December, the first month of the winter in Gervais, is also a frosty month, with an average temperature fluctuating between 34.5°F (1.4°C) and 44.4°F (6.9°C).Temperature
December is the month when Gervais sees the lowest average temperatures, with a high of 44.4°F (6.9°C) and a low of 34.5°F (1.4°C).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 4.21" (107mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Gervais, Oregon, in December, snow falls for 0.9 days, with typically accumulated 0.35" (9mm) of snow. In Gervais, during the entire year, snow falls for 6.2 days and aggregates up to 3.19" (81mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Gervais, sunrise is at 7:30 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:39 pm PST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gervais, OR
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in December
Gervais, OR
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Gervais, OR
- Average wind speed in December: 5.2mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Gervais, OR
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Gervais, OR
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Gervais, OR
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (19.9 days).
The months with the least rainy days are July and August (4.3 days).
Average snowfall in December
Gervais, OR
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Gervais, OR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Gervais, OR
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Gervais, OR
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Gervais, 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, November and December (UV index 2).
Average cloud cover in December
Gervais, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Gervais, OR
- Average visibility in December: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
