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
Fisher Island marks the start of December with an average high-temperature of a still warm 75.7°F (24.3°C), hinting at a slight fluctuation from November's 77.9°F (25.5°C). The temperature in Fisher Island during December sees a subtle transition from day to night, averaging a low of 69.4°F (20.8°C).Humidity
December is the most humid month, with an average relative humidity of 75%.Rainfall
In Fisher Island, during December, the rain falls for 11.7 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Fisher Island, Florida, there are 182.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Fisher Island, with an average of 10h and 36min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 5:29 pm. On the last day of December, in Fisher Island, sunrise is at 7:06 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine in Fisher Island is December, with an average of 6.4h of sunshine.UV index
January and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Fisher Island?
What is the most humid month in Fisher Island?
What is the average humidity in December in Fisher Island?
How much does it rain in Fisher Island in December?
What is the month with the shortest days in Fisher Island?
What is the average length of the day in December in Fisher Island?
When are sunrise and sunset in December in Fisher Island?
What is the month with the least sunshine in Fisher Island?
How long on average sun shines in December in Fisher Island?
When is the lowest UV index in Fisher Island?
How high is the UV index in December in Fisher Island?
Average temperature in December
Fisher Island, FL
- Average high temperature in December: 75.7°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (73°F).
- Average low temperature in December: 69.4°F
The month with the highest average low temperature is August (82.6°F).
The coldest month (with the lowest average low temperature) is January (65.1°F).
Average pressure in December
Fisher Island, FL
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).
Average wind speed in December
Fisher Island, FL
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is March (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Fisher Island, FL
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Fisher Island, FL
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Fisher Island, FL
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is September (24.5 days).
The month with the least rainy days is February (8.7 days).
Average daylight in December /
Average sunshine in December
Fisher Island, FL
- Average daylight in December: 10h and 4min
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 36min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Fisher Island, FL
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is March (17 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in December
Fisher Island, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Fisher Island, FL
- Average cloud cover in December: 32
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in December
Fisher Island, 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).
Fisher Island, Florida, USA
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