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Key West in April: weather, sea & travel advice
This month's data profile
Sea conditions lead
Key West in April is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 25 °C, and the sea is about 25 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
89/100 · #2
Warmth
#8
Dryness
#5
Sun
#2
Sea warmth
#8
Published best categories: Overall, Beach, Family
Key West · AprilPhoto: Ebyabe · CC BY-SA 3.0Climate facts
- Average high
- 25 °C
- Average low
- 24 °C
- Sea
- 25 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 77 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| March | 24 | 23 | 6 | 36 | 7.3 | 77 | 5.1 | 24 | 91 |
| April (selected) | 25 | 24 | 8 | 59 | 8.2 | 77 | 5.0 | 25 | 89 |
| May | 27 | 26 | 14 | 100 | 8.5 | 76 | 4.4 | 27 | 74 |
How do the previous and next months compare?
Baseline: April (89/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| March | +2 | -1.4 °C | -1.7 °C | -2.2 | -22.9 mm | -0.9 h | +0.5 % | +0.1 m/s | -1.5 °C |
| May | -15 | +1.7 °C | +1.9 °C | +6.2 | +41.5 mm | +0.3 h | -0.2 % | -0.6 m/s | +1.8 °C |
All twelve months in context
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Frequently asked questions
How warm is Key West in April?
The average daily high is around 25 °C, with an average daily low of about 24 °C.
Can you swim in Key West in April?
The sea is about 25 °C (warm).
Does it rain a lot in Key West in April?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 59 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Key West?
By the climate score, February, March, April and December are the strongest months for Key West. For a beach trip: February, March, April and November. April is one of them.