United States
Best Time to Visit
Key West
Visit in March — score 80/100 · avg high 79°F · 7 rainy days
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Monthly Travel Scores
How we scoreScores reflect weather comfort (35%), dry days (35%), daylight hours (15%), crowd levels (10%), and cost (5%) — weighted for typical travelers preferring warm, dry conditions. Customize weights in the interactive tool.January
#3February
#2March
#1April
May
June
July
August
September
October
November
December
Monthly Weather Data
| Month | Score | Avg °F | High °F | Low °F | Rain Days | Precip (mm) | Daylight | Crowds | Cost |
|---|---|---|---|---|---|---|---|---|---|
| January | 72 | 72° | 77° | 60° | 10 | 38 | 10.6h | High | Average |
| February | 74 | 73° | 77° | 63° | 10 | 38 | 11.2h | High | Average |
| March | 80 | 74° | 79° | 66° | 7 | 28 | 11.8h | High | Above avg |
| April | 68 | 77° | 81° | 71° | 15 | 58 | 12.6h | High | Average |
| May | 51 | 80° | 84° | 76° | 24 | 97 | 13.2h | Moderate | Below avg |
| June | 51 | 83° | 86° | 80° | 30 | 199 | 13.5h | Moderate | Below avg |
| July | 46 | 85° | 87° | 82° | 31 | 148 | 13.4h | Moderate | Below avg |
| August | 44 | 85° | 88° | 82° | 31 | 202 | 12.9h | Moderate | Below avg |
| September | 45 | 85° | 87° | 81° | 30 | 206 | 12.1h | Moderate | Below avg |
| October | 44 | 82° | 85° | 75° | 31 | 130 | 11.4h | Moderate | Average |
| November | 60 | 77° | 82° | 69° | 17 | 66 | 10.8h | Moderate | Average |
| December | 59 | 75° | 79° | 65° | 14 | 57 | 10.5h | High | Above avg |
Seasonal Breakdown
Spring
- Score
- 66/100
- High
- 81°F
- Low
- 71°F
- Rain days
- 15/mo
- Crowds
- high
Spring in Key West (March, April, May) brings average highs of 81°F and lows of 71°F, with about 15 rainy days per month. Expect high tourist crowds and average accommodation rates. The overall travel score averages 66/100, with March being the strongest month of the season at 80/100.
Summer
- Score
- 47/100
- High
- 87°F
- Low
- 81°F
- Rain days
- 31/mo
- Crowds
- moderate
Summer in Key West (June, July, August) brings average highs of 87°F and lows of 81°F, with about 31 rainy days per month. Expect moderate tourist crowds and budget-friendly accommodation rates. The overall travel score averages 47/100, with June being the strongest month of the season at 51/100.
Fall
- Score
- 50/100
- High
- 85°F
- Low
- 75°F
- Rain days
- 26/mo
- Crowds
- moderate
Fall in Key West (September, October, November) brings average highs of 85°F and lows of 75°F, with about 26 rainy days per month. Expect moderate tourist crowds and average accommodation rates. The overall travel score averages 50/100, with November being the strongest month of the season at 60/100.
Winter
- Score
- 68/100
- High
- 78°F
- Low
- 63°F
- Rain days
- 11/mo
- Crowds
- high
Winter in Key West (December, January, February) brings average highs of 78°F and lows of 63°F, with about 11 rainy days per month. Expect high tourist crowds and above average accommodation rates. The overall travel score averages 68/100, with February being the strongest month of the season at 74/100.
Crowd and cost data estimated from regional travel patterns for this destination.
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