December weather forecastTygh Valley, OR
December
Weather in December
The first month of the winter, December, is still a cold month in Tygh Valley, Oregon, with an average temperature fluctuating between 26.1°F (-3.3°C) and 34.9°F (1.6°C).Temperature
December, noted for its average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 26.1°F (-3.3°C), is considered the coldest month.Humidity
In Tygh Valley, the average relative humidity in December is 87%.Rainfall
In Tygh Valley, in December, it is raining for 8.6 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 116 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In December, in Tygh Valley, it is snowing for 18.6 days. Throughout December, 20.83" (529mm) of snow is accumulated. Throughout the year, there are 104.7 snowfall days, and 104.33" (2650mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:24 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:32 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tygh Valley, OR
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is August (76.1°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in December
Tygh Valley, OR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Tygh Valley, OR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is January (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in December
Tygh Valley, OR
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Tygh Valley, OR
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is January (3.82").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Tygh Valley, OR
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is April (13.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in December
Tygh Valley, OR
- Average snowfall in December: 20.83"
The month with the highest snowfall is January (22.01").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Tygh Valley, OR
- Average snowfall days in December: 18.6 days
The month with the highest number of snowfall days is December (18.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Tygh Valley, 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 6min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Tygh Valley, OR
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (8.2 days).
Average UV index in December
Tygh Valley, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Tygh Valley, OR
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Tygh Valley, OR
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
