December weather forecastLely, FL
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Lely, Florida, with an average temperature varying between 64.4°F (18°C) and 74.8°F (23.8°C).Temperature
Lely's average high-temperature in December is a still moderately hot 74.8°F (23.8°C), marking an insignificant difference from the 78.4°F (25.8°C) of November. December brings with it a nighttime average temperature of 64.4°F (18°C).Humidity
The most humid month is December, with an average relative humidity of 76%.Rainfall
In Lely, in December, it is raining for 7.9 days, with typically 0.87" (22mm) of accumulated precipitation. In Lely, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:14 am and sunset at 5:46 pm EST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
In Lely, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lely, FL
- Average high temperature in December: 74.8°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in December: 64.4°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in December
Lely, FL
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).
Average wind speed in December
Lely, FL
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Lely, FL
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Lely, FL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in December
Lely, FL
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).
Average daylight in December /
Average sunshine in December
Lely, FL
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Lely, FL
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in December
Lely, FL
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in December
Lely, FL
- Average cloud cover in December: 27
The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).
Average visibility in December
Lely, 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).
