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
With an average high-temperature of 59°F (15°C) and an average low-temperature of 45.7°F (7.6°C), December is the coldest month.Humidity
January and December, with an average relative humidity of 40%, are the most humid months.Rainfall
In Ibis, during December, the rain falls for 3.7 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 41.8 rainfall days, and 4.21" (107mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:29 am and sunset at 4:27 pm. On the last day of December, sunrise is at 6:46 am and sunset at 4:38 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index in Ibis?
What is the UV index intensity in December?
Average temperature in December
Ibis, CA
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in December: 45.7°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in December
Ibis, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in December
Ibis, CA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Ibis, CA
- Average humidity in December: 40%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).
Average rainfall in December
Ibis, CA
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Ibis, CA
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight in December /
Average sunshine in December
Ibis, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Ibis, CA
- Average sunshine days in December: 26 days
The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in December
Ibis, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Ibis, CA
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Ibis, 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).
Ibis, California, USA
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