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North Key Largo

Water Temperature in the Atlantic Ocean in North Key Largo, Florida: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in North Key Largo 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 North Key Largo

28.9°C

TODAY

30.4°C

YESTERDAY

30.2°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Atlantic Ocean in North Key Largo is 28.9°C. 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 Atlantic Ocean in North Key Largo Over the Last 30 Days

The water temperature in North Key Largo today is lower than both a week ago and a month ago. Today's sea temperature is slightly lower than on the same day in previous years.

According to our forecast, the sea temperature in North Key Largo will remain nearly unchanged in the coming days, its value will be 28.8°C.

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 North Key Largo 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

DateCurrentAverageForecast
May 2730.2°C28.3°C
May 2830.0°C28.5°C
May 2930.4°C28.5°C
May 3030.6°C29.3°C
May 3130.2°C29.0°C
Jun 130.3°C28.8°C
Jun 230.4°C29.3°C
Jun 330.5°C28.5°C
Jun 428.5°C28.8°C
Jun 528.5°C28.8°C
Jun 628.5°C28.8°C
Jun 728.8°C28.8°C
Jun 828.5°C28.8°C
Jun 928.8°C28.8°C
Jun 1028.8°C28.8°C
Jun 1129.0°C28.8°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in North Key Largo Throughout the Year

Throughout the year, the sea temperature in North Key Largo is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 352 days, and exceeds 77°F (25°C) for 228 days.

Below is the annual chart of sea temperature changes in the Atlantic Ocean in North Key Largo.

January

MinimumAverageMaximum
20°C23°C26°C

February

MinimumAverageMaximum
18°C22.5°C27°C

March

MinimumAverageMaximum
20°C24°C28°C

April

MinimumAverageMaximum
22°C25.5°C29°C

May

MinimumAverageMaximum
24°C28°C32°C

June

MinimumAverageMaximum
26°C29°C32°C

July

MinimumAverageMaximum
27°C30.5°C34°C

August

MinimumAverageMaximum
28°C31°C34°C

September

MinimumAverageMaximum
27°C30°C33°C

October

MinimumAverageMaximum
24°C27.5°C31°C

November

MinimumAverageMaximum
21°C25°C29°C

December

MinimumAverageMaximum
21°C24.5°C28°C

Monthly Water Temperature Histogram for Atlantic Ocean in North Key Largo

You can explore detailed data on how the water temperature in North Key Largo varies each month:

North Key Largo Weather

JUNE 4

27°C / 30°C
light rain

humidity: 72% | wind: 6 km/h

JUNE 5

27°C / 31°C
overcast clouds: 85-100%

humidity: 70% | wind: 4 km/h

JUNE 6

27°C / 31°C
scattered clouds: 25-50%

humidity: 67% | wind: 4 km/h

JUNE 7

26°C / 31°C
broken clouds: 51-84%

humidity: 72% | wind: 4 km/h

Florida, United StatesFlorida, United StatesFlorida, United States

Sea Temperature in the Atlantic Ocean in North Key Largo: General Trends and Swimming Opportunities

Original name
North Key Largo
The Local Time
01:57
Time Zone
UTC-4
Sunrise
06:30
Sunset
20:09
Length of the day
13 h 39 m

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.

North Key Largo is located in North America in the Northern Hemisphere at a latitude of 25 degrees, along the shores of the Atlantic Ocean. North Key Largo lies within the Florida in United States.

The average annual daytime air temperature in North Key Largo 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, North Key Largo 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 Atlantic Ocean in North Key Largo is 81°F (27°C). In February, the water reaches its lowest point of the year at 64°F (18°C), while in July, it peaks at 93°F (34°C). The months suitable for comfortable beach vacations and swimming in the Atlantic Ocean are April, May, June, July, August, September, October, November, and December. 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 North Key Largo

Frequently Asked Questions About North Key Largo and its Water Temperatures

What is the current sea temperature in North Key Largo?

The water temperature today in the Atlantic Ocean in North Key Largo is 84°F (28.9°C).

In which months is the water temperature in North Key Largo comfortable for swimming?

The water temperature in the Atlantic Ocean in North Key Largo is comfortable for swimming and beach vacations in April, May, June, July, August, September, October, November, and December.

What is the water temperature in North Key Largo during the winter?

The water temperature in the Atlantic Ocean in North Key Largo during the winter ranges from 64°F to 82°F (18°C to 28°C).

What is the water temperature in North Key Largo during the spring?

The water temperature in the Atlantic Ocean in North Key Largo during the spring ranges from 68°F to 90°F (20°C to 32°C).

What is the water temperature in North Key Largo during the summer?

The water temperature in the Atlantic Ocean in North Key Largo during the summer ranges from 79°F to 93°F (26°C to 34°C).

What is the water temperature in North Key Largo during the fall?

The water temperature in the Atlantic Ocean in North Key Largo during the fall ranges from 70°F to 91°F (21°C to 33°C).

Is it possible to swim in the sea in North Key Largo year-round?

No, it is not possible to swim in the Atlantic Ocean in North Key Largo year-round, the months suitable for comfortable swimming are April, May, June, July, August, September, October, November, and December.

What sea temperatures can I expect in North Key Largo in the next month?

In July, the water temperature in the Atlantic Ocean in North Key Largo will range between 81°F (27°C) and 93°F (34°C)