December weather forecastOakdale, CA
December
Weather in December
December, the first month of the winter in Oakdale, is still a mild month, with temperature in the range of an average low of 41°F (5°C) and an average high of 55.4°F (13°C).Temperature
The coldest period is December, when temperatures fluctuate between an average high of 55.4°F (13°C) and a low of 41°F (5°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Oakdale, in December, during 8.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 59.3 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
The only month with snowfall is December. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:54 pm PST.
Sunshine
December has the least sunshine of the year in Oakdale, with an average of 6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oakdale, CA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in December
Oakdale, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Oakdale, CA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in December
Oakdale, CA
- Average humidity in December: 70%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Oakdale, CA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Oakdale, CA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).
Average snowfall in December
Oakdale, CA
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Oakdale, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Oakdale, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Oakdale, CA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).
Average UV index in December
Oakdale, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Oakdale, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Oakdale, CA
- 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).
