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
December, marked by an average high-temperature of 58.1°F (14.5°C) and a low-temperature of 40.8°F (4.9°C), is the coldest month.Humidity
The months with the highest humidity in Edison are February and December, with an average relative humidity of 59%.Rainfall
The month with the most rainfall is December, when the rain falls for 6.7 days and typically aggregates up to 1.26" (32mm) of precipitation.Snowfall
In Edison, California, snow does not fall in January, March through December.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:46 am and sunset at 4:43 pm. On the last day of December, in Edison, sunrise is at 7:04 am and sunset at 4:53 pm PST.
Sunshine
January and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Edison. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Edison?
What are the temperatures in Edison in December?
What is the most humid month in Edison?
What is the average humidity in December in Edison?
What is the wettest month in Edison?
How many days does it rain in December in Edison?
When it does not snow in Edison?
What is the month with the shortest days in Edison?
How many hours of daylight does Edison have in December?
What time are sunrise and sunset in December in Edison?
What is the month with the least sunshine in Edison?
How long on average sun shines in December in Edison?
What is the month with the lowest UV index in Edison?
What is the UV index reading in December in Edison?
Average temperature in December
Edison, CA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (96.6°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in December: 40.8°F
The months with the highest average low temperature are July and August (64.9°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in December
Edison, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Edison, CA
- Average wind speed in December: 4mph
The windiest months (with the highest average wind speed) are May, June and July (5mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in December
Edison, CA
- Average humidity in December: 59%
The months with the highest relative humidity are February and December (59%).
The month with the lowest relative humidity is August (29%).
Average rainfall in December
Edison, CA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is December (1.26").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Edison, CA
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is August (0.8 days).
Average snowfall in December
Edison, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Edison, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 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
Edison, CA
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Edison, CA
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (20.2 days).
Average UV index in December
Edison, 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, November and December (UV index 3).
Average cloud cover in December
Edison, CA
- Average cloud cover in December: 24
The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are August and September (Cloud cover 4).
Average visibility in December
Edison, 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).
Edison, California, USA
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