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 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
December, noted for its average high-temperature of 57.7°F (14.3°C) and an average low-temperature of 41.5°F (5.3°C), is considered the coldest month.Humidity
The average relative humidity in December in Arrowhead Springs is 51%.Rainfall
December is the month with the most rainfall. Rain falls for 6.8 days and accumulates 1.42" (36mm) of precipitation.Snowfall
January, March through December are months without snowfall in Arrowhead Springs, California.Daylight
December has the shortest days of the year in Arrowhead Springs, with an average of 9h and 54min of daylight.On the first day of December in Arrowhead Springs, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:50 pm PST.
Sunshine
With an average of 6.9h of sunshine, December has the least sunshine of the year.UV index
November and December, with an average maximum UV index of 3, are months with the lowest UV index in Arrowhead Springs. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What time of the year is the coldest in Arrowhead Springs?
What are the temperatures in Arrowhead Springs in December?
What is the average humidity in December in Arrowhead Springs?
What is the wettest month in Arrowhead Springs?
How many days does it rain in December in Arrowhead Springs?
When it does not snow in Arrowhead Springs?
What is the month with the shortest days in Arrowhead Springs?
What is the average length of the day in December in Arrowhead Springs?
What time are sunrise and sunset in December in Arrowhead Springs?
What is the month with the least sunshine in Arrowhead Springs?
How many hours of sunshine does Arrowhead Springs have in December?
What are the months with the lowest UV index in Arrowhead Springs?
What is the UV index reading in December in Arrowhead Springs?
Average temperature in December
Arrowhead Springs, CA
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure in December
Arrowhead Springs, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Arrowhead Springs, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in December
Arrowhead Springs, CA
- Average humidity in December: 51%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall in December
Arrowhead Springs, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Arrowhead Springs, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in December
Arrowhead Springs, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Arrowhead Springs, CA
- Average daylight in December: 9h and 5min
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 5min
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 54min).
Average sunshine days in December
Arrowhead Springs, CA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in December
Arrowhead Springs, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Arrowhead Springs, CA
- Average cloud cover in December: 21
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Arrowhead Springs, 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).
Arrowhead Springs, California, USA
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