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
Rolling Hills, California, notes an average high-temperature of a still enjoyable 61.9°F (16.6°C) in December, displaying minor variation from November. Rolling Hills in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 54°F (12.2°C).Humidity
The average relative humidity in December in Rolling Hills is 62%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Rolling Hills, during the entire year, the rain falls for 62.1 days and collects up to 8.62" (219mm) of precipitation.Daylight
The month with the shortest days in Rolling Hills, California, is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:40 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:55 pm PST.
Sunshine
January and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Rolling Hills, California. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average December temperature in Rolling Hills?
What is the average humidity in December in Rolling Hills?
How many days does it rain in December in Rolling Hills?
What is the month with the shortest days in Rolling Hills?
How many hours of daylight does Rolling Hills have in December?
When is the sunrise / sunset in December in Rolling Hills?
What are the months with the least sunshine in Rolling Hills?
How many hours of sunshine does Rolling Hills have in December?
What are the months with the lowest UV index in Rolling Hills?
What is the UV index reading in December in Rolling Hills?
Average temperature in December
Rolling Hills, CA
- Average high temperature in December: 61.9°F
The warmest months (with the highest average high temperature) are August and September (73.2°F).
The month with the lowest average high temperature is February (61.5°F).
- Average low temperature in December: 54°F
The month with the highest average low temperature is September (64.2°F).
The coldest month (with the lowest average low temperature) is February (53.2°F).
Average pressure in December
Rolling Hills, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in December
Rolling Hills, CA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Rolling Hills, CA
- Average humidity in December: 62%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (61%).
Average rainfall in December
Rolling Hills, CA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is January (1.73").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Rolling Hills, CA
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in December /
Average sunshine in December
Rolling Hills, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Rolling Hills, CA
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is June (20 days).
Average UV index in December
Rolling Hills, CA
- Average UV index in December: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Rolling Hills, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Rolling Hills, 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).
Rolling Hills, California, USA
Weather forecast for your location
2. Allow the app to use your location
