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
The coldest temperatures occur during December, when averages reach a peak of 36.7°F (2.6°C) and a low of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity in Pilot Rock is 79%.Rainfall
In Pilot Rock, during December, the rain falls for 14.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 145.3 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pilot Rock are January through May, September through December. In December, it is snowing for 8.3 days. Throughout December, 3.74" (95mm) of snow is accumulated. Throughout the year, there are 30.7 snowfall days, and 15.51" (394mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:13 pm. On the last day of December, in Pilot Rock, sunrise is at 7:35 am and sunset at 4:22 pm PST.
Sunshine
The average sunshine in December in Pilot Rock is 5.1h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the coldest months in Pilot Rock?
How cold is December in Pilot Rock?
What is the average humidity in December in Pilot Rock?
How many days does it rain in December in Pilot Rock?
How much does it snow in Pilot Rock in December?
What is the month with the shortest days in Pilot Rock?
What is the average length of the day in December in Pilot Rock?
When are sunrise and sunset in December in Pilot Rock?
How many hours of sunshine does Pilot Rock have in December?
What is the month with the lowest UV index in Pilot Rock?
What is the UV index intensity in December in Pilot Rock?
Average temperature in December
Pilot Rock, OR
- Average high temperature in December: 36.7°F
The warmest months (with the highest average high temperature) are July and August (81.5°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Pilot Rock, 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
Pilot Rock, OR
- Average wind speed in December: 7.1mph
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
Pilot Rock, OR
- Average humidity in December: 79%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Pilot Rock, OR
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Pilot Rock, OR
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in December
Pilot Rock, OR
- Average snowfall in December: 3.74"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Pilot Rock, OR
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is December (8.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pilot Rock, 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 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Pilot Rock, OR
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Pilot Rock, 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
Pilot Rock, OR
- Average cloud cover in December: 46
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Pilot Rock, 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).
Pilot Rock, Oregon, USA
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