December weather forecastBromela, CA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Bromela, California, with an average temperature fluctuating between 61.5°F (16.4°C) and 48.4°F (9.1°C).Temperature
December is Bromela's coldest month, registering average high temperatures of 61.5°F (16.4°C) and lows of 48.4°F (9.1°C).Humidity
In Bromela, the average relative humidity in December is 63%.Rainfall
In Bromela, during December, the rain falls for 5.7 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 43.4 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:01 pm PST.
Sunshine
In Bromela, California, the average sunshine in December is 6.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in December translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. To guard against the harmful effects of the Sun, minimize exposure during midday. 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
Average temperature in December
Bromela, CA
- Average high temperature in December: 61.5°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (61.5°F).
- Average low temperature in December: 48.4°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in December
Bromela, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
Bromela, CA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest months (with the lowest average wind speed) are July and November (6.8mph).
Average humidity in December
Bromela, CA
- Average humidity in December: 63%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are October and November (61%).
Average rainfall in December
Bromela, CA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is March (1.34").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Bromela, CA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (0.8 days).
Average daylight in December /
Average sunshine in December
Bromela, CA
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Bromela, CA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in December
Bromela, 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
Bromela, CA
- Average cloud cover in December: 25
The months with the most cloud cover are February and March (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 8).
Average visibility in December
Bromela, 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).
