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, noted for its average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 29.1°F (-1.6°C), is considered the coldest month.Humidity
The average relative humidity in December in Boardman, Oregon, is 77%.Rainfall
In Boardman, during December, the rain falls for 11.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 102.3 rainfall days, and 7.09" (180mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, September, November and December. In Boardman, Oregon, in December, snow falls for 3.3 days, with typically accumulated 1.22" (31mm) of snow. Throughout the year, there are 10 snowfall days, and 5.28" (134mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Boardman, sunrise is at 7:20 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:24 pm PST.
Sunshine
The average sunshine in December is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boardman, Oregon. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What time of the year is the coldest in Boardman?
Is it cold in Boardman during December?
What is the average humidity in December in Boardman?
How many days does it rain in December in Boardman?
How much does it snow in Boardman in December?
What is the month with the shortest days in Boardman?
How many hours of daylight does Boardman have in December?
What time are sunrise and sunset in December in Boardman?
How many hours of sunshine does Boardman have in December?
When is the lowest UV index in Boardman?
What is the UV index reading in December in Boardman?
Average temperature in December
Boardman, OR
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in December
Boardman, OR
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
Boardman, OR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is December (6.3mph).
Average humidity in December
Boardman, OR
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in December
Boardman, OR
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is January (0.98").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Boardman, OR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in December
Boardman, OR
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Boardman, OR
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is December (3.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Boardman, OR
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Boardman, OR
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (14.7 days).
Average UV index in December
Boardman, 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
Boardman, OR
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Boardman, 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).
Boardman, Oregon, USA
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