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
December's advent notes a subtle adjustment in average high-temperature to an agreeable 69.1°F (20.6°C) from November. Nightly temperatures drop to an average low of 52°F (11.1°C) in December.Humidity
In Irvine, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. In Irvine, during the entire year, the rain falls for 162.6 days and collects up to 24.09" (612mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
In Irvine, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during December morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in Irvine in December?
What is the month with the shortest days?
How many hours of daylight does Irvine have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Irvine?
How high is the UV index in December?
Average temperature in December
Irvine, FL
- Average high temperature in December: 69.1°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (65.3°F).
- Average low temperature in December: 52°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in December
Irvine, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Irvine, FL
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Irvine, FL
- Average humidity in December: 77%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Irvine, FL
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in December
Irvine, FL
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.8 days).
Average daylight in December /
Average sunshine in December
Irvine, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Irvine, FL
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in December
Irvine, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Irvine, FL
- Average cloud cover in December: 38
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in December
Irvine, FL
- 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).
Irvine, Florida, USA
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