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
The coldest month is December, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 43.5°F (6.4°C).Humidity
The average relative humidity in December in Radec is 58%.Rainfall
December is the month with the most rainfall. Rain falls for 6.5 days and accumulates 1.81" (46mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December in Radec, sunrise is at 6:34 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:50 pm PST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year in Radec.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the coldest months in Radec?
What are the temperatures in Radec in December?
What is the average humidity in December in Radec?
What is the rainiest month in Radec?
How much does it rain in Radec in December?
What is the month with the shortest days in Radec?
What is the average length of the day in December in Radec?
What time are sunrise and sunset in December in Radec?
What is the month with the least sunshine in Radec?
How long on average sun shines in December in Radec?
What is the month with the lowest UV index in Radec?
How high is the UV index in December in Radec?
Average temperature in December
Radec, CA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in December
Radec, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Radec, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
Radec, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
Radec, CA
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Radec, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in December /
Average sunshine in December
Radec, 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 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Radec, CA
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in December
Radec, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Radec, CA
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Radec, 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).
Radec, California, USA
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