December weather forecastCourtenay, FL
December
Weather in December
The first month of the winter, December, is also an agreeable month in Courtenay, Florida, with an average temperature fluctuating between 71.6°F (22°C) and 63.7°F (17.6°C).Temperature
Transitioning into December, Courtenay records an average high-temperature of an agreeable 71.6°F (22°C), almost identical to November's 75°F (23.9°C). In Courtenay, the month of December brings a consistent average low-temperature of 63.7°F (17.6°C), slightly cooler than its daytime highs.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 204.7 rainfall days, and 36.57" (929mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:37 pm EST.
Sunshine
The average sunshine in December is 6.2h.UV index
In December, the average daily maximum UV index in Courtenay is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Courtenay, FL
- Average high temperature in December: 71.6°F
The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is January (68.4°F).
- Average low temperature in December: 63.7°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (59.4°F).
Average pressure in December
Courtenay, FL
- 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 September (29.97"Hg).
Average wind speed in December
Courtenay, FL
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is November (11.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Courtenay, FL
- Average humidity in December: 76%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Courtenay, FL
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is March (1.22").
Average rainfall days in December
Courtenay, FL
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is August (25.7 days).
The month with the least rainy days is February (10.3 days).
Average daylight in December /
Average sunshine in December
Courtenay, FL
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Courtenay, FL
- Average sunshine days in December: 13 days
The month with the most sunshine days is March (16.6 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Courtenay, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Courtenay, FL
- Average cloud cover in December: 34
The months with the most cloud cover are January and November (Cloud cover 35).
The months with the least cloud cover are April and May (Cloud cover 26).
Average visibility in December
Courtenay, 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).
