Best Time to Visit Key Largo
Best time to visit Key Largo: January, February, April, May and November. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Key Largo
Go in January, February, April, May and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, September and October - expect the least comfortable mix of heat, cold or rain.
Climate in Key Largo month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 72° | 66° | 1,6 in | ★★★★☆ |
| February | 72° | 67° | 1,6 in | ★★★★☆ |
| March | 76° | 72° | 3,3 in | ★★★★☆ |
| April | 78° | 74° | 1,3 in | ★★★★★ |
| May | 83° | 79° | 2,7 in | ★★★★☆ |
| June | 85° | 81° | 6,5 in | ★★★☆☆ |
| July | 86° | 82° | 3,5 in | ★★★★☆ |
| August | 87° | 82° | 4,2 in | ★★★★☆ |
| September | 85° | 81° | 5,9 in | ★★★☆☆ |
| October | 82° | 78° | 5,5 in | ★★★☆☆ |
| November | 79° | 74° | 1,9 in | ★★★★☆ |
| December | 75° | 70° | 3,7 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
How Key Largo compares with nearby places
Annual averages, and the difference against Key Largo.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Biscayne National Park | 31 mi | 77°F | 33°F cooler | 55 in |
| Everglades (UNESCO World Heritage Site) | 31 mi | 76°F | 34°F cooler | 52 in |
| Everglades National Park | 31 mi | 76°F | 34°F cooler | 52 in |
| Miami | 49 mi | 77°F | 33°F cooler | 58 in |
| Miami-Dade County | 49 mi | 77°F | 33°F cooler | 58 in |
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, September and October - historically the least comfortable months here.
Summary
Key Largo is an island in Florida. Key Largo is an island known for diving on the Florida Reef.
Right now it is 77°F (25°C) in Key Largo with overcast. It feels like 81°F. Today runs from 75°F to 82°F. Chance of precipitation is 45%. Sightseeing conditions score 8.3/10 - good conditions.
The best time to visit Key Largo is January, February, April, May and November. The climate is temperate. June, September and October tend to be the least comfortable months. August is the warmest month with average highs near 87°F, while January is the coldest with lows near 66°F.
The closest major airport is Miami International Airport (MIA), about 50 mi away. Nearby highlights include Biscayne National Park, Everglades (UNESCO World Heritage Site), Everglades National Park and South Beach.
In plain terms. Today is slightly cooler than average for September. The forecast high of 82°F is 4°F below the 85°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Key Largo today at 9.1/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Key Largo right now
Source: Open-Meteo. Updated 5:51 AM, Sep 21 local time.
Weekend outlook
🌦️ 84° / 78°
Light showers · 65% rain · wind 9 mph
🌦️ 84° / 78°
Light drizzle · 54% rain · wind 11 mph
Things to do in Key Largo
Attractions, parks and landmarks in and around Key Largo.
Quick facts about Key Largo
| Type | Island |
|---|---|
| State | Florida |
| Country | United States |
| Continent | North America |
| Coordinates | 25°5′11.4″N 80°26′50.3″W (25.0865, -80.4473) |
| Known for | diving on the Florida Reef |
| Local time | 5:51 AM (UTC-04:00) |
| Best months | January, February, April, May and November |
| Climate | Temperate |
Explore Key Largo
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is Key Largo?
Key Largo is an island in Florida. Its coordinates are 25.0865, -80.4473. It lies in North America.
What is the weather like in Key Largo right now?
It is currently 77°F (25°C) with overcast. Humidity is 84% and wind is 9 mph.
When is the best time to visit Key Largo?
January, February, April, May and November offer the most comfortable conditions in Key Largo, which has a temperate climate. June, September and October are usually the hardest months for outdoor plans.
What time zone is Key Largo in?
Key Largo observes America/New_York (UTC-04:00). The local time is 5:51 AM.
What is the nearest airport to Key Largo?
The closest airports are Miami International Airport (MIA), 50 mi away and Orlando International Airport (MCO), 237 mi away.
What are the top things to do in Key Largo?
Popular options include Biscayne National Park, Everglades (UNESCO World Heritage Site), Everglades National Park, South Beach, Dry Tortugas National Park and Myakka River State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 21, 2026 at 5:51 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
