December weather forecastNorth Highlands, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in North Highlands, California, with an average temperature varying between 41.2°F (5.1°C) and 54.1°F (12.3°C).Temperature
North Highlands reaches its lowest average temperatures in December, measuring 54.1°F (12.3°C) at the peak and 41.2°F (5.1°C) at the lowest.Humidity
In December, the average relative humidity is 71%.Rainfall
In North Highlands, California, in December, it is raining for 10.6 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 75.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
The only month with snowfall is December. December has the most snowfall days of the year in North Highlands. Snow falls for 0.1 days.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in North Highlands.On the first day of December in North Highlands, California, sunrise is at 7:05 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in North Highlands. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
North Highlands, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 41.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
North Highlands, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
North Highlands, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is February (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
North Highlands, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (43%).
Average rainfall in December
North Highlands, CA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is March (3.11").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
North Highlands, CA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in December
North Highlands, 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
North Highlands, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
North Highlands, CA
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is August (30 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in December
North Highlands, 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
North Highlands, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
North Highlands, 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).
