Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Waterford, the month of December is known for its lowest average temperatures, reaching a high of 55.6°F (13.1°C) and a low of 40.6°F (4.8°C).Humidity
The average relative humidity in December is 69%.Rainfall
The wettest months in Waterford, California, are March and December, with an average 0.98" (25mm) of rainfall.Daylight
December has the shortest days of the year in Waterford, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:54 pm PST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the coldest month in Waterford?
What is the usual temperature for Waterford in December?
What is the average humidity in December in Waterford?
What is the rainiest month in Waterford?
How much does it rain in Waterford in December?
What is the month with the shortest days in Waterford?
What is the average length of the day in December in Waterford?
When are sunrise and sunset in December in Waterford?
What is the month with the least sunshine in Waterford?
How long on average sun shines in December in Waterford?
What are the months with the lowest UV index in Waterford?
How high is the UV index in December in Waterford?
Average temperature in December
Waterford, CA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 40.6°F
The months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
Waterford, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Waterford, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Waterford, CA
- Average humidity in December: 69%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).
Average rainfall in December
Waterford, CA
- Average rainfall in December: 0.98"
The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Waterford, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).
Average daylight in December /
Average sunshine in December
Waterford, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Waterford, CA
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Waterford, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Waterford, CA
- Average cloud cover in December: 32
The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Waterford, 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).
Waterford, California, USA
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