Key West month by month
Plan your visit to Key West by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
- January
- High
- 23°C
- Low
- 20°C
- Rain
- 33 mm
January is the driest, most comfortable month in Key West, and the island of roughly 25,000 year-round residents knows it. Daytime highs average 22.5°C (72°F) with lows around…
- February
- High
- 23°C
- Low
- 22°C
- Rain
- 32 mm
February in Key West is dry-season weather at its best, and that is both the draw and the problem. Fewer than 5 rainy days across the whole month, highs near 23°C (74°F), and a…
- March
- High
- 25°C
- Low
- 23°C
- Rain
- 37 mm
March is peak season in Key West, and the island earns it. This is dry-season weather at its most comfortable, with highs near 25°C (76°F) and lows that rarely dip below 23°C…
- April
- High
- 26°C
- Low
- 24°C
- Rain
- 36 mm
April in Key West sits in a favorable gap between the packed winter high season and the humid, storm-prone summer months. You're catching the tail end of dry season, with warm…
- May
- High
- 28°C
- Low
- 26°C
- Rain
- 57 mm
May is the month when Key West becomes a genuinely better deal without giving up the warmth that draws people to the island. The winter snowbirds who fill Old Town from December…
- June
- High
- 29°C
- Low
- 27°C
- Rain
- 181 mm
June in Key West means one thing above all. The wet season arrives in force. Monthly rainfall roughly triples from May's totals, and you can expect heavy afternoon downpours on…
- July
- High
- 30°C
- Low
- 28°C
- Rain
- 119 mm
July in Key West is about the heat. Step off the plane at Key West International Airport and the humidity hits your skin immediately, warm and close. Daytime highs average 29.9°C…
- August
- High
- 30°C
- Low
- 28°C
- Rain
- 149 mm
August in Key West is a direct trade. You get the lowest visitor counts and cheapest accommodation of the year, paired with the height of Atlantic hurricane season. The humidity…
- September
- High
- 30°C
- Low
- 27°C
- Rain
- 189 mm
September in Key West means peak Atlantic hurricane season, and that single fact shapes everything about visiting this month. The island sits at the end of a 113-mile (182 km)…
- October
- High
- 28°C
- Low
- 26°C
- Rain
- 114 mm
Fantasy Fest is the first thing you need to know about October in Key West. The 10-day costume festival takes over Old Town in the final stretch of the month, filling Duval Street…
- November
- High
- 26°C
- Low
- 24°C
- Rain
- 62 mm
November in Key West is when the weather finally turns in the visitor's favor. The Atlantic hurricane season still has 30 days left on the calendar (it runs through November 30),…
- December
- High
- 24°C
- Low
- 22°C
- Rain
- 78 mm
December in Key West delivers the island's most comfortable weather right alongside its highest prices and thickest crowds. Temperatures reach about 24°C (75°F) by day and hold…