Monroe County Weather Forecast
Monroe County weather: 82°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Climate in Monroe County 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° | 67° | 1,3 in | ★★★★☆ |
| February | 72° | 68° | 1,2 in | ★★★★☆ |
| March | 76° | 72° | 2,4 in | ★★★★☆ |
| April | 78° | 74° | 0,9 in | ★★★★★ |
| May | 83° | 80° | 2,3 in | ★★★★☆ |
| June | 85° | 81° | 6,9 in | ★★★☆☆ |
| July | 86° | 82° | 3,0 in | ★★★★☆ |
| August | 87° | 82° | 5,3 in | ★★★☆☆ |
| September | 85° | 81° | 6,7 in | ★★★☆☆ |
| October | 82° | 78° | 5,5 in | ★★★☆☆ |
| November | 78° | 75° | 2,1 in | ★★★★☆ |
| December | 74° | 71° | 3,8 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Best time to visit Monroe County
Go in January, February, April and May. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, August and September - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Monroe County
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Monroe County compares with nearby places
Annual averages, and the difference against Monroe County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Key West | 0 mi | 78°F | about the same | 41 in |
| Dry Tortugas National Park | 69 mi | 78°F | about the same | 38 in |
| Everglades (UNESCO World Heritage Site) | 75 mi | 76°F | 34°F cooler | 52 in |
| Everglades National Park | 75 mi | 76°F | 34°F cooler | 52 in |
| Key Largo | 91 mi | 78°F | about the same | 42 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 - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, August and September - historically the least comfortable months here.
See the Monroe County forecast by time range
Monroe County weather - more answers
Explore Monroe County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Monroe County?
Monroe County is a county in Florida. Its coordinates are 24.5551, -81.78. It lies in North America.
What is the weather like in Monroe County right now?
It is currently 82°F (28°C) with overcast. Humidity is 65% and wind is 4 mph.
When is the best time to visit Monroe County?
January, February, April and May offer the most comfortable conditions in Monroe County, which has a temperate climate. June, August and September are usually the hardest months for outdoor plans.
What time zone is Monroe County in?
Monroe County observes America/New_York (UTC-04:00). The local time is 1:25 AM.
How many people live in Monroe County?
Monroe County has a population of approximately 82.000.
What is the nearest airport to Monroe County?
The closest airports are Miami International Airport (MIA), 127 mi away and Orlando International Airport (MCO), 269 mi away.
What are the top things to do in Monroe County?
Popular options include Dry Tortugas National Park, Everglades (UNESCO World Heritage Site), Everglades National Park, Key Largo, Biscayne National Park and South Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - 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 August 24, 2026 at 1:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
