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 coldest period is December, when temperatures fluctuate between an average high of 60.1°F (15.6°C) and a low of 43.7°F (6.5°C).Humidity
In December, the average relative humidity is 52%.Rainfall
In Newhall, during December, the rain falls for 4.8 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Newhall, during the entire year, the rain falls for 37.3 days and collects up to 6.1" (155mm) of precipitation.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 6:42 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:00 am and sunset at 4:54 pm PST.
Sunshine
In Newhall, the average sunshine in December is 6.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Newhall have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Newhall have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Newhall, CA
- Average high temperature in December: 60.1°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is December (60.1°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in December
Newhall, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Newhall, CA
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and December (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Newhall, CA
- Average humidity in December: 52%
The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is October (44%).
Average rainfall in December
Newhall, CA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Newhall, CA
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.5 days).
Average daylight in December /
Average sunshine in December
Newhall, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Newhall, CA
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in December
Newhall, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Newhall, CA
- Average cloud cover in December: 21
The months with the most cloud cover are February and March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Newhall, 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).
Newhall, California, USA
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