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
The transition from November to December brings an average high-temperature of a pleasant 72°F (22.2°C), barely different from November's 76.5°F (24.7°C). Throughout December, a steady low-temperature average of 58.1°F (14.5°C) is noted.Humidity
December is the most humid month, with an average relative humidity of 75%.Rainfall
In Rattlesnake, Florida, during December, the rain falls for 8.9 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 165.7 rainfall days, and 27.56" (700mm) of precipitation is accumulated.Daylight
The month with the shortest days in Rattlesnake is December, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:45 pm EST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
In Rattlesnake, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during December translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours 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
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Rattlesnake?
What is the UV index intensity in December in Rattlesnake?
Average temperature in December
Rattlesnake, FL
- Average high temperature in December: 72°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in December: 58.1°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (53.4°F).
Average pressure in December
Rattlesnake, 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 (29.96"Hg).
Average wind speed in December
Rattlesnake, FL
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Rattlesnake, FL
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are March, April and May (70%).
Average rainfall in December
Rattlesnake, FL
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (5.43").
The driest months (with the least rainfall) are February and November (0.87").
Average rainfall days in December
Rattlesnake, FL
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is January (7.2 days).
Average daylight in December /
Average sunshine in December
Rattlesnake, FL
- Average daylight in December: 10h and 2min
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 2min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Rattlesnake, FL
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in December
Rattlesnake, 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
Rattlesnake, FL
- Average cloud cover in December: 32
The month with the most cloud cover is December (Cloud cover 32).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in December
Rattlesnake, 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).
Rattlesnake, Florida, USA
Weather forecast for your location
2. Allow the app to use your location