December weather forecastLompoc, CA
December
Weather in December
December, the first month of the winter in Lompoc, is also an enjoyable month, with an average temperature varying between 50°F (10°C) and 61.3°F (16.3°C).Temperature
December, on average, is the coldest month, registering a high temperature of 61.3°F (16.3°C) and a low of 50°F (10°C).Humidity
In Lompoc, the average relative humidity in December is 65%.Rainfall
In Lompoc, California, during December, the rain falls for 5.6 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Lompoc, during the entire year, the rain falls for 43.4 days and collects up to 7.09" (180mm) of precipitation.Daylight
The month with the shortest days in Lompoc is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:01 pm PST.
Sunshine
In Lompoc, the average sunshine in December is 6.5h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Lompoc. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lompoc, CA
- Average high temperature in December: 61.3°F
The warmest month (with the highest average high temperature) is September (74.7°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in December: 50°F
The month with the highest average low temperature is September (60.1°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).
Average pressure in December
Lompoc, 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 and September (29.91"Hg).
Average wind speed in December
Lompoc, CA
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is May (10.6mph).
The calmest month (with the lowest average wind speed) is January (7.9mph).
Average humidity in December
Lompoc, CA
- Average humidity in December: 65%
The months with the highest relative humidity are June, July and August (71%).
The month with the lowest relative humidity is November (63%).
Average rainfall in December
Lompoc, CA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Lompoc, CA
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in December /
Average sunshine in December
Lompoc, 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 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
Lompoc, CA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in December
Lompoc, 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, April, November and December (UV index 4).
Average cloud cover in December
Lompoc, CA
- Average cloud cover in December: 25
The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 9).
Average visibility in December
Lompoc, 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).
