December weather forecastBonanza, OR
December
Weather in December
The first month of the winter, December, is also an icy month in Bonanza, Oregon, with an average temperature ranging between min 25°F (-3.9°C) and max 37.2°F (2.9°C).Temperature
In Bonanza, December is the month with the lowest recorded average temperatures, measuring a high of 37.2°F (2.9°C) and a low of 25°F (-3.9°C).Humidity
The average relative humidity in December is 82%.Rainfall
The month with the most rainfall is December, when the rain falls for 10 days and typically aggregates up to 1.97" (50mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 13.4 days and typically aggregates up to 9.57" (243mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:43 pm PST.
Sunshine
In Bonanza, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bonanza, OR
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in December
Bonanza, OR
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).
Average wind speed in December
Bonanza, OR
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Bonanza, OR
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Bonanza, OR
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Bonanza, OR
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in December
Bonanza, OR
- Average snowfall in December: 9.57"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Bonanza, OR
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Bonanza, OR
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Bonanza, OR
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in December
Bonanza, 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, March, November and December (UV index 2).
Average cloud cover in December
Bonanza, OR
- Average cloud cover in December: 44
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Bonanza, OR
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
