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The best time to visit Key Largo
January, February, March, April, May and December — daytime highs around 25°C. Every number on this page is measured, not guessed.
Key Largo month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 23°C | 20°C | 7 | Best |
| February | 24°C | 22°C | 6 | Best |
| March | 24°C | 22°C | 5 | Best |
| April | 26°C | 24°C | 8 | Best |
| May | 27°C | 25°C | 13 | Best |
| June | 29°C | 26°C | 18 | Shoulder |
| July | 30°C | 27°C | 18 | |
| August | 30°C | 28°C | 19 | |
| September | 29°C | 27°C | 19 | |
| October | 28°C | 26°C | 17 | |
| November | 26°C | 24°C | 9 | Shoulder |
| December | 24°C | 22°C | 8 | Best |
The short version
Warmest: July, around 30°C by day. Coolest: January, around 23°C by day and 20°C at night. Wettest: August with about 19 wet days. Driest: March with about 5.
If you want fewer people: June, November sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Key Largo?
The best months are January, February, March, April, May and December, when daytime highs sit around 25°C.
What is the hottest month in Key Largo?
July, with daytime highs around 30°C.
What is the wettest month in Key Largo?
August, with about 19 wet days. The driest is March with about 5.
When is the cheapest time to visit Key Largo?
Prices follow the weather. The months either side of the best ones — June, November — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Key Largo, Florida. Source: Open-Meteo.