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 snowfall in December
- Average snowfall 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 Palm Grove, the lowest average temperatures are observed in December, with a high of 59°F (15°C) and a low of 42.3°F (5.7°C).Humidity
In Palm Grove, the average relative humidity in December is 53%.Rainfall
In Palm Grove, during December, the rain falls for 6.8 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Palm Grove, there are 64.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
February, March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Palm Grove, there are 1.2 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
December has the shortest days of the year in Palm Grove, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:29 am and sunset at 4:38 pm. On the last day of December, sunrise is at 6:47 am and sunset at 4:49 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.3h of sunshine.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest month in Palm Grove?
What is the average December temperature in Palm Grove?
What is the average humidity in December in Palm Grove?
How much does it rain in Palm Grove in December?
When does it start snowing in Palm Grove?
What is the month with the shortest days in Palm Grove?
What is the average length of the day in December in Palm Grove?
When is the sunrise / sunset in December in Palm Grove?
What is the month with the least sunshine in Palm Grove?
How long on average sun shines in December in Palm Grove?
What are the months with the lowest UV index in Palm Grove?
How high is the UV index in December in Palm Grove?
Average temperature in December
Palm Grove, CA
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).
Average pressure in December
Palm Grove, CA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Palm Grove, CA
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Palm Grove, CA
- Average humidity in December: 53%
The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Palm Grove, CA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Palm Grove, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (7.9 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in December
Palm Grove, CA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Palm Grove, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Palm Grove, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Palm Grove, CA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (19 days).
Average UV index in December
Palm Grove, CA
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Palm Grove, CA
- Average cloud cover in December: 26
The month with the most cloud cover is December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in December
Palm Grove, 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).
Palm Grove, California, USA
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