Islamorada (FL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Islamorada.
Climate overview of Islamorada
Islamorada, Florida, United States of America, has a moderate seasonal temperature range, with August reaching 32°C (90°F) and January cooling to 24°C (75°F).
The city receives considerable rainfall, with around 1046 mm (41 in) annually. September is the wettest month. The sunniest month is May, with 11.4 hours of sunshine per day on average.
Islamorada Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Islamorada - and find the best time to visit.
Monthly Temperature in Islamorada
The climate in Islamorada experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in August to a comfortable 24°C (75°F) in the coolest month, January.
Nights vary from 27°C (81°F) in August to around 18°C (64°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Islamorada
Islamorada is known for its substantial rainfall, with annual precipitation reaching 1046 mm (41 in). The climate in Islamorada shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 194 mm (7.6 in) of precipitation over 20 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 30 mm (1.2 in) of rainfall over 6 rainy days. For more details, please visit our Islamorada Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Islamorada
Islamorada offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (11.4 hours daily) and November (7.7 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Islamorada by Month
The relative humidity is high throughout the year in Islamorada.
The city experiences its highest humidity in January, reaching 77%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Islamorada
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May, November and December
- Warmest weather: June, July, August and September
- Most sunshine: April, May and July
- Fewest rainy days: January, February, March and April
- Wettest months: May, June, July, August, September and October, when rainfall is highest.
Frequently asked questions about the climate in Islamorada
What is the best time to visit Islamorada?
January, February, March, April, May, November and December typically offer the most optimal weather in Islamorada. In contrast, September tends to have less optimal conditions.
What temperatures can I expect in Islamorada?
Daytime highs range from 24°C (75°F) in January to 32°C (90°F) in August. Nighttime lows range from 18°C (64°F) to 27°C (81°F).
How much rain does Islamorada get?
Annual rainfall is around 1046 mm (41 in). September is the wettest month with 194 mm (7.6 in), while March is the driest with 30 mm (1.2 in).
How sunny is Islamorada?
Islamorada receives around 3,412 hours of sunshine per year. May is the sunniest month with 341 hours, while November is the cloudiest with just 231 hours. Overall, Islamorada enjoys abundant sunshine.
Islamorada 3-Day Forecast
Islamorada on the map
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