December weather forecastLa Palma, CA
December
Weather in December
December, the first month of the winter in La Palma, is still a comfortable month, with an average temperature ranging between min 51.4°F (10.8°C) and max 64°F (17.8°C).Temperature
La Palma experiences its lowest average temperatures in December, reaching a peak of 64°F (17.8°C) and a minimum of 51.4°F (10.8°C).Humidity
The average relative humidity in December in La Palma is 56%.Rainfall
The month with the most rainfall is December, when the rain falls for 4.9 days and typically aggregates up to 0.55" (14mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:54 pm PST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Palma, CA
- Average high temperature in December: 64°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in December: 51.4°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.3°F).
Average pressure in December
La Palma, 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 (29.89"Hg).
Average wind speed in December
La Palma, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).
Average humidity in December
La Palma, CA
- Average humidity in December: 56%
The month with the highest relative humidity is June (67%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
La Palma, CA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
La Palma, CA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is March (5.6 days).
The month with the least rainy days is June (0.6 days).
Average daylight in December /
Average sunshine in December
La Palma, CA
- Average daylight in December: 9h and 54min
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 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
La Palma, CA
- Average sunshine days in December: 24.6 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in December
La Palma, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in December
La Palma, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
La Palma, 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).





