December weather forecastGuadalupe, CA
December
Weather in December
December, the first month of the winter in Guadalupe, is also an enjoyable month, with an average temperature ranging between min 48.4°F (9.1°C) and max 61.5°F (16.4°C).Temperature
The lowest temperatures are recorded in December, with averages reaching a high of 61.5°F (16.4°C) and a low of 48.4°F (9.1°C).Humidity
The average relative humidity in December is 63%.Rainfall
In Guadalupe, in December, during 5.7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Guadalupe, California, there are 43.4 rainfall days, and 6.02" (153mm) of precipitation is accumulated.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 6:52 am and sunset at 4:50 pm. On the last day of December, in Guadalupe, sunrise is at 7:10 am and sunset at 5:01 pm PST.
Sunshine
The average sunshine in December in Guadalupe is 6.5h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Guadalupe. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, CA
- Average daylight in December: 9h and 54min
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 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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
Guadalupe, 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).
