December weather forecastJuno Isles, FL
December
Weather in December
December, the first month of the winter in Juno Isles, is still a warm month, with an average temperature fluctuating between 74.7°F (23.7°C) and 67.6°F (19.8°C).Temperature
On the advent of December, Juno Isles's average high-temperature exhibits a minor adjustment to a still warm 74.7°F (23.7°C) from November's 77.2°F (25.1°C). Juno Isles's nighttime average temperature in December subtly descends to a comfortable 67.6°F (19.8°C) from the daily highs.Humidity
In Juno Isles, the average relative humidity in December is 76%.Rainfall
In Juno Isles, in December, during 16.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Juno Isles, during the entire year, the rain falls for 230.9 days and collects up to 46.73" (1187mm) of precipitation.Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:52 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:38 pm EST.
Sunshine
In December, the average sunshine is 6h.UV index
In Juno Isles, Florida, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during December leads to these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Juno Isles, FL
- Average high temperature in December: 74.7°F
The warmest months (with the highest average high temperature) are July and August (86.4°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in December: 67.6°F
The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in December
Juno Isles, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in December
Juno Isles, FL
- Average wind speed in December: 10.9mph
The windiest months (with the highest average wind speed) are January, March and November (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Juno Isles, FL
- Average humidity in December: 76%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Juno Isles, FL
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (8.11").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Juno Isles, FL
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is August (26.4 days).
The months with the least rainy days are January and February (13.3 days).
Average daylight in December /
Average sunshine in December
Juno Isles, FL
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Juno Isles, FL
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is January (13.7 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in December
Juno Isles, 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
Juno Isles, FL
- Average cloud cover in December: 36
The month with the most cloud cover is November (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Juno Isles, 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).





