December weather forecastHazelwood, OR
December
Weather in December
The first month of the winter, December, is still a chilly month in Hazelwood, Oregon, with an average temperature ranging between min 33.8°F (1°C) and max 43.7°F (6.5°C).Temperature
With average high temperatures of 43.7°F (6.5°C) and lows of 33.8°F (1°C), December is the coldest month.Humidity
The average relative humidity in December is 82%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.6 days and typically aggregates up to 5.31" (135mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Hazelwood, in December, snow falls for 1.2 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, there are 8.2 snowfall days, and 5.87" (149mm) 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 December, sunrise is at 7:30 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:36 pm PST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hazelwood. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hazelwood, OR
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in December
Hazelwood, 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
Hazelwood, OR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Hazelwood, OR
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Hazelwood, OR
- Average rainfall in December: 5.31"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Hazelwood, OR
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in December
Hazelwood, OR
- Average snowfall in December: 0.67"
The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hazelwood, OR
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.8 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
Hazelwood, OR
- Average daylight in December: 8h and 48min
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: 4h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hazelwood, OR
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Hazelwood, 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
Hazelwood, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Hazelwood, OR
- Average visibility in December: 5mi
The months with the highest visibility are August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (5mi).
