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 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 month of December sees the lowest average temperatures, reaching 57.2°F (14°C) at the peak and 43°F (6.1°C) at the low.Humidity
January and December, with an average relative humidity of 67%, are the most humid months.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 65 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:53 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.2h of sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days in Waukena?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Waukena have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Waukena, CA
- Average high temperature in December: 57.2°F
The warmest month (with the highest average high temperature) is July (102.2°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (43°F).
Average pressure in December
Waukena, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Waukena, CA
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.2mph).
Average humidity in December
Waukena, CA
- Average humidity in December: 67%
The months with the highest relative humidity are January and December (67%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in December
Waukena, CA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is March (1.81").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in December
Waukena, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
Waukena, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Waukena, CA
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (18.6 days).
Average UV index in December
Waukena, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Waukena, CA
- Average cloud cover in December: 31
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Waukena, 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).
Waukena, California, USA
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