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
With the advent of December, Jupiter Island experiences an average high-temperature of a still warm 74.7°F (23.7°C), mirroring a close resemblance to the previous month. Jupiter Island experiences a steady nighttime temperature of 66.7°F (19.3°C) throughout the month of December.Humidity
In Jupiter Island, Florida, the average relative humidity in December is 76%.Rainfall
In Jupiter Island, in December, it is raining for 15.5 days, with typically 2.2" (56mm) of accumulated precipitation. In Jupiter Island, during the entire year, the rain falls for 227.4 days and collects up to 44.72" (1136mm) of precipitation.Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year in Jupiter Island.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, in Jupiter Island, Florida, sunrise is at 7:09 am and sunset at 5:37 pm EST.
Sunshine
The average sunshine in December in Jupiter Island is 6h.UV index
In Jupiter Island, Florida, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during December leads to these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Jupiter Island?
What is the average humidity in December in Jupiter Island?
How many days does it rain in December in Jupiter Island?
What is the month with the shortest days in Jupiter Island?
What is the average length of the day in December in Jupiter Island?
What time are sunrise and sunset in December in Jupiter Island?
How long on average sun shines in December in Jupiter Island?
What is the UV index reading in December in Jupiter Island?
Average temperature in December
Jupiter Island, FL
- Average high temperature in December: 74.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (71.2°F).
- Average low temperature in December: 66.7°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in December
Jupiter Island, 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
Jupiter Island, FL
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Jupiter Island, FL
- Average humidity in December: 76%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Jupiter Island, FL
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (7.64").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Jupiter Island, FL
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is January (13 days).
Average daylight in December /
Average sunshine in December
Jupiter Island, FL
- Average daylight in December: 10h and 3min
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 months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Jupiter Island, FL
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is August (2.4 days).
Average UV index in December
Jupiter Island, 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
Jupiter Island, FL
- Average cloud cover in December: 37
The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Jupiter 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).
Jupiter Island, Florida, USA
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