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 stands out as Oakland's coldest month, with temperatures ranging between an average high of 46°F (7.8°C) and a low of 33.1°F (0.6°C).Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
December is the month with the most rainfall in Oakland. Rain falls for 17.9 days and accumulates 4.17" (106mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Oakland, during December, snow falls for 0.9 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 5.2 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Oakland, sunrise is at 7:26 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:47 pm PST.
Sunshine
In Oakland, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Oakland are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the coldest months in Oakland?
What are the temperatures in Oakland in December?
What is the most humid month in Oakland?
What is the average humidity in December in Oakland?
What is the wettest month in Oakland?
How many days does it rain in December in Oakland?
How much does it snow in Oakland in December?
What is the month with the shortest days in Oakland?
How many hours of daylight does Oakland have in December?
When is the sunrise / sunset in December in Oakland?
How long on average sun shines in December in Oakland?
What is the month with the lowest UV index in Oakland?
What is the UV index intensity in December in Oakland?
Average temperature in December
Oakland, OR
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in December
Oakland, 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
Oakland, OR
- Average wind speed in December: 3.9mph
The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in December
Oakland, OR
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Oakland, OR
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Oakland, OR
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Oakland, OR
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Oakland, OR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2 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
Oakland, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Oakland, OR
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Oakland, OR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Oakland, OR
- Average cloud cover in December: 57
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Oakland, OR
- Average visibility in December: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Oakland, Oregon, USA
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