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 month is December, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 32.9°F (0.5°C).Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.9 days and typically aggregates up to 5.47" (139mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 1 days. Throughout December, 0.47" (12mm) of snow is accumulated. In Blue River, Oregon, during the entire year, snow falls for 7.9 days and aggregates up to 7.76" (197mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Blue River, Oregon.On the first day of December, sunrise is at 7:25 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:40 pm PST.
Sunshine
In December, the average sunshine is 4.3h.UV index
In Blue River, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the coldest months in Blue River?
How cold is December in Blue River?
What are the most humid months in Blue River?
What is the average humidity in December in Blue River?
What is the wettest month in Blue River?
How many days does it rain in December in Blue River?
How much does it snow in Blue River in December?
What is the month with the shortest days in Blue River?
How many hours of daylight does Blue River have in December?
When is the sunrise / sunset in December in Blue River?
How long on average sun shines in December in Blue River?
How high is the UV index in December in Blue River?
Average temperature in December
Blue River, OR
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in December
Blue River, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Blue River, OR
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Blue River, OR
- Average humidity in December: 86%
The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Blue River, OR
- Average rainfall in December: 5.47"
The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Blue River, OR
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in December
Blue River, OR
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Blue River, OR
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Blue River, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Blue River, OR
- Average sunshine days in December: 11 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Blue River, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Blue River, OR
- Average cloud cover in December: 56
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Blue River, OR
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
Blue River, Oregon, USA
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