St Lucia
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St Lucia

April beach and weather guide

Based on 5 years of historical ERA5 climate data

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April beach conditions — historical average

Excellent
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28.7°C Temp
27.9°C Sea temp
5.8 Rain days
11.7h Sunshine hrs
72.5% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid April

2025 Excellent 28.5°C · 10 rainy days · 11.7h sun
2024 Excellent 29.9°C · 6 rainy days · 12.0h sun
2023 Excellent 28.5°C · 2 rainy days · 11.9h sun
2022 Excellent 28.0°C · 5 rainy days · 11.5h sun
2021 Excellent 28.6°C · 6 rainy days · 11.6h sun

Other months in St Lucia

November December January February March April

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About St Lucia in April

Based on 5 years of ERA5 historical climate data, April in St Lucia has historically been excellent for a beach holiday. Average temperatures of 28.7°C with sea temperatures around 27.9°C and 5.8 rainy days on average.

5 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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