Key West in July
In July, Key West averages 30°C (85°F) during the day and 28°C (82°F) at night, with frequent rain — about 23 days of the month see precipitation (91 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
July offers comfortable temperatures in Key West, with some rain to plan around.
How July compares to the rest of the year in Key West
July is one of the warmest months in Key West (2nd of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 3°C above the annual average (26°C). July runs 1°C warmer than June (29°C) and stays flat into August.
July sunrise & sunset in Key West
Times shown for Key West local time (America/New_York), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Key West — July
Golden-hour and blue-hour windows for the 15th of July, in Key West's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Key West in July
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Key West's popularity.
Crowds & pricing — July in Key West
This is a busy month in Key West — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July in Key West
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Key West — July
Across the year Key West's sea swings from 24.2°C (January) to 31.4°C (August) — July sits at 31.2°C.
Key West in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 23°C / 73°F | 20°C / 69°F | 52 mm | 16 | — |
| February | 24°C / 74°F | 22°C / 71°F | 30 mm | 13 | — |
| March | 24°C / 76°F | 23°C / 73°F | 34 mm | 14 | — |
| April | 26°C / 78°F | 24°C / 76°F | 40 mm | 15 | — |
| May | 27°C / 81°F | 25°C / 78°F | 93 mm | 18 | — |
| June | 29°C / 83°F | 27°C / 80°F | 116 mm | 24 | — |
| July | 30°C / 85°F | 28°C / 82°F | 91 mm | 23 | — |
| August | 30°C / 85°F | 28°C / 82°F | 109 mm | 25 | — |
| September | 29°C / 84°F | 27°C / 81°F | 159 mm | 26 | — |
| October | 28°C / 82°F | 26°C / 79°F | 132 mm | 25 | — |
| November | 26°C / 78°F | 24°C / 75°F | 76 mm | 19 | — |
| December | 24°C / 76°F | 22°C / 72°F | 56 mm | 14 | — |
Other cities with similar July weather
🌍 See the full ranked list of climate twins for Key West in July →
Frequently asked questions
How hot is Key West in July?
In July, Key West averages a high of 30°C (85°F) and a low of 28°C (82°F) — generally hot.
Does it rain a lot in Key West in July?
July is quite rainy in Key West, with about 23 rainy days on average.
Is July a good time to visit Key West?
July is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Key West in July?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Key West for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.