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 tends to be the coldest month, with temperatures averaging a daily high of 47.8°F (8.8°C) and a low of 40.8°F (4.9°C).Humidity
January through March, November and December, with an average relative humidity of 83%, are the most humid months in Seal Rock, Oregon.Rainfall
December is the month with the most rainfall in Seal Rock. Rain falls for 15.8 days and accumulates 2.68" (68mm) of precipitation.Snowfall
In Seal Rock, Oregon, snow does not fall in March through December.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December in Seal Rock, sunrise is at 7:33 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:46 pm PST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are the coldest months in Seal Rock?
What are the temperatures in Seal Rock in December?
What is the most humid month in Seal Rock?
What is the average humidity in December in Seal Rock?
What is the wettest month in Seal Rock?
How much does it rain in Seal Rock in December?
When it does not snow in Seal Rock?
Does it snow in Seal Rock in December?
What is the month with the shortest days in Seal Rock?
How many hours of daylight does Seal Rock have in December?
What time are sunrise and sunset in December in Seal Rock?
How many hours of sunshine does Seal Rock have in December?
What are the months with the lowest UV index in Seal Rock?
What is the UV index reading in December in Seal Rock?
Average temperature in December
Seal Rock, OR
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.8°F).
- Average low temperature in December: 40.8°F
The months with the highest average low temperature are July and August (53.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in December
Seal Rock, OR
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in December
Seal Rock, OR
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Seal Rock, OR
- Average humidity in December: 83%
The months with the highest relative humidity are January, February, March, November and December (83%).
The months with the lowest relative humidity are April, May, June, July, September and October (81%).
Average rainfall in December
Seal Rock, OR
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Seal Rock, OR
- Average rainfall days in December: 15.8 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 days).
Average snowfall in December
Seal Rock, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Seal Rock, OR
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Seal Rock, OR
- Average daylight in December: 8h and 5min
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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in December
Seal Rock, OR
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in December
Seal Rock, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Seal Rock, OR
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Seal Rock, OR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Seal Rock, Oregon, USA
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