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, recording an average high temperature of 37.9°F (3.3°C) and a low temperature of 27.3°F (-2.6°C), is Pendleton's coldest month.Humidity
In December, the average relative humidity in Pendleton is 78%.Rainfall
In December, in Pendleton, the rain falls for 13.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Pendleton, Oregon, during the entire year, the rain falls for 132.7 days and collects up to 12.91" (328mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. In December, in Pendleton, Oregon, it is snowing for 5.5 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, in Pendleton, there are 17.5 snowfall days, and 9.41" (239mm) of snow is accumulated.Daylight
The month with the shortest days in Pendleton is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:21 pm PST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Pendleton, Oregon.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pendleton. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the coldest months in Pendleton?
How cold does it get in Pendleton in December?
What is the average humidity in December in Pendleton?
How many days does it rain in December in Pendleton?
How many days does it snow in December in Pendleton?
What is the month with the shortest days in Pendleton?
What is the average length of the day in December in Pendleton?
When are sunrise and sunset in December in Pendleton?
What is the month with the least sunshine in Pendleton?
How many hours of sunshine does Pendleton have in December?
What are the months with the lowest UV index in Pendleton?
How high is the UV index in December in Pendleton?
Average temperature in December
Pendleton, OR
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (27.3°F).
Average pressure in December
Pendleton, OR
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Pendleton, OR
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Pendleton, OR
- Average humidity in December: 78%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Pendleton, OR
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is March (1.65").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Pendleton, OR
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in December
Pendleton, OR
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Pendleton, OR
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Pendleton, OR
- Average daylight in December: 8h and 5min
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: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Pendleton, OR
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in December
Pendleton, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Pendleton, OR
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Pendleton, 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).
Pendleton, Oregon, USA
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