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Florida Keys
Water Temperature in the Gulf of Mexico in Florida Keys, Florida: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Florida Keys in Florida, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Florida Keys
87°F
TODAY
86°F
YESTERDAY
85°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Gulf of Mexico (Gulf of America) in Florida Keys is 30.1°F. This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Gulf of Mexico (Gulf of America) in Florida Keys Over the Last 30 Days
The water temperature in Florida Keys today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Florida Keys will remain nearly unchanged in the coming days, its value will be 87°F.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across United States to enhance accuracy.
Water temperature data for Florida Keys and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Sep 6 | 85°F | 87°F | |
| Sep 7 | 85°F | 86°F | |
| Sep 8 | 84°F | 87°F | |
| Sep 9 | 84°F | 86°F | |
| Sep 10 | 83°F | 87°F | |
| Sep 11 | 84°F | 87°F | |
| Sep 12 | 86°F | 86°F | |
| Sep 13 | 87°F | 87°F | |
| Sep 14 | 87°F | 87°F | |
| Sep 15 | 86°F | 87°F | |
| Sep 16 | 86°F | 86°F | |
| Sep 17 | 87°F | 86°F | |
| Sep 18 | 87°F | 86°F | |
| Sep 19 | 87°F | 86°F | |
| Sep 20 | 88°F | 87°F | |
| Sep 21 | 87°F | 87°F |
Sea Temperature in Florida Keys Throughout the Year
Throughout the year, the sea temperature in Florida Keys is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 335 days, and exceeds 77°F (25°C) for 227 days.
Below is the annual chart of sea temperature changes in the Gulf of Mexico (Gulf of America) in Florida Keys.
January
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 73°F | 79°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 73°F | 81°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 76°F | 84°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 73°F | 79°F | 84°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 82°F | 90°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 87°F | 93°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 82°F | 88°F | 93°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 86°F | 91°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 82°F | 88°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 76°F | 82°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 74°F | 81°F |
Monthly Water Temperature Histogram for Gulf of Mexico (Gulf of America) in Florida Keys
You can explore detailed data on how the water temperature in Florida Keys varies each month:
Florida Keys Weather
SEPTEMBER 14
82°F / 84°F
scattered clouds: 25-50%humidity: 68% | wind: 2 mph
SEPTEMBER 15
84°F / 86°F
few clouds: 11-25%humidity: 71% | wind: 4 mph
SEPTEMBER 16
84°F / 86°F
clear skyhumidity: 74% | wind: 4 mph
SEPTEMBER 17
81°F / 84°F
light rainhumidity: 73% | wind: 5 mph
Sea Temperature in the Gulf of Mexico (Gulf of America) in Florida Keys: General Trends and Swimming Opportunities
The coastal region of Florida, United States, features a tropical climate with hot, humid summers and mild, drier winters. Rainfall is significant in the summer, with occasional hurricanes, while the winter months are drier and sunnier.
Florida Keys is located in North America in the Northern Hemisphere at a latitude of 25 degrees, along the shores of the Gulf of Mexico. Florida Keys lies within the Florida in United States.
The average annual daytime air temperature in Florida Keys is 82°F (28°C), with the average nighttime temperature being 70°F (21°C). The highest average daily temperature occurs in August, reaching 90°F (32°C), while the lowest is in January at 74°F (23°C). As for nighttime temperatures, the minimum average temperature of 61°F (16°C) is recorded in January, and the maximum is in July, reaching 77°F (25°C).
According to historical data, Florida Keys experiences 122 rainy days per year, which accounts for 33 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is August, with 16 rainy days and 6.4 inches (163 mm) of precipitation, while the driest month is April, which typically has 6 rainy days and only 2.4 inches (62 mm) of precipitation.
The average annual water temperature in Gulf of Mexico in Florida Keys is 81°F (27°C). In January, the water reaches its lowest point of the year at 66°F (19°C), while in July, it peaks at 93°F (34°C). The months suitable for comfortable beach vacations and swimming in the Gulf of Mexico are April, May, June, July, August, September, October, and November. During this period, the water temperature stays above 68°F (20°C) and can reach up to 93°F (34°C) on some days.
Geographical Location of Florida Keys
Nearby Cities
Frequently Asked Questions About Florida Keys and its Water Temperatures
What is the current sea temperature in Florida Keys?
The water temperature today in the Gulf of Mexico (Gulf of America) in Florida Keys is 87°F (30.3°C).
In which months is the water temperature in Florida Keys comfortable for swimming?
The water temperature in the Gulf of Mexico in Florida Keys is comfortable for swimming and beach vacations in April, May, June, July, August, September, October, and November.
What is the water temperature in Florida Keys during the winter?
The water temperature in the Gulf of Mexico in Florida Keys during the winter ranges from 66°F to 81°F (19°C to 27°C).
What is the water temperature in Florida Keys during the spring?
The water temperature in the Gulf of Mexico in Florida Keys during the spring ranges from 68°F to 90°F (20°C to 32°C).
What is the water temperature in Florida Keys during the summer?
The water temperature in the Gulf of Mexico in Florida Keys during the summer ranges from 81°F to 93°F (27°C to 34°C).
What is the water temperature in Florida Keys during the fall?
The water temperature in the Gulf of Mexico in Florida Keys during the fall ranges from 70°F to 91°F (21°C to 33°C).
Is it possible to swim in the sea in Florida Keys year-round?
No, it is not possible to swim in the Gulf of Mexico in Florida Keys year-round, the months suitable for comfortable swimming are April, May, June, July, August, September, October, and November.
Is Florida Keys a popular tourist destination for beach vacations?
Florida Keys a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Florida Keys in the next month?
In October, the water temperature in the Gulf of Mexico (Gulf of America) in Florida Keys will range between 75°F (24°C) and 88°F (31°C)