United StatesAverage weather for Key Largo in December
It's warm in December in Key Largo with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 28°C. At night, you can expect temperatures between 17°C and 21°C.
Start of December
The month of December starts in Key Largo with hot temps, averaging around 27°C during the day and nights around 20°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid December
By mid-December, daytime temps stay steady at around 27°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers.
End of December
By the end of December, the average daytime temperature in Key Largo is around 26°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
Water temperature
The water temperature at Key Largo is 26°C this month. Lovely temperature for a swim.
In December, there is an average of 86 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Key Largo in December |
New York | ||
|---|---|---|---|
 Average temperature |
26°C | 9°C | |
 Max. temperature |
28°C | 12°C | |
| Min. temperature |
25°C | -5°C | |
 Total precipitation |
86 mm | 133 mm | |
| Rainy days |
8 days | 17 days | |
November
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Key Largo?
Looking for great weather? December is a good time to be in Key Largo. The temperatures are nice, and there’s not too much rain.
The hurricane season in Key Largo runs from June to November.
Temperature records
With 31°C in 2018, Key Largo reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 10°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 26°C.
Check out the climate of Key Largo for all months and discover the best travel time
Daily Temperature in December in Key Largo
This chart shows the average daily high and low temperatures in December for Key Largo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Key Largo
The chart below shows the average daily precipitation in December for Key Largo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 8 days of precipitation in Key Largo.
Daily UV index in December in Key Largo
This chart shows the average daily UV index in December in Key Largo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Key Largo over the years
This chart shows the average temperature in December in Key Largo, measured in degrees Celsius, over the past few years.
Total precipitation in December in Key Largo over the years
This chart shows the average precipitation in December in Key Largo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Key Largo
Click on any day in December to get detailed info about the usual weather on that day in Key Largo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Key Largo
Have you been to Key Largo in December?
Share your weather experience in December in Key Largo.
Average weather in Key Largo by month
Click on a month below to see detailed weather info for Key Largo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Key Largo for all months at once
