Saint Lucia
St. Lucia in October: weather, sea & travel advice
This month's data profile
Rain shapes the decision
St. Lucia in October is climatically well suited to beach holidays. The average daily high is around 29 °C, and the sea is about 29 °C. With about 21 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
58/100 · #10
Warmth
#3
Dryness
#9
Sun
#9
Sea warmth
#2
Published best categories: none
St. Lucia · OctoberPhoto: DavidMPyle · CC BY 4.0Climate facts
- Average high
- 29 °C
- Average low
- 28 °C
- Sea
- 29 °C
- Rainy days (est.)
- 21 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 79 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| September | 29 | 28 | 19 | 185 | 7.4 | 78 | 4.9 | 29 | 58 |
| October (selected) | 29 | 28 | 21 | 192 | 6.8 | 79 | 5.1 | 29 | 58 |
| November | 28 | 27 | 21 | 183 | 6.2 | 79 | 5.7 | 29 | 60 |
How do the previous and next months compare?
Baseline: October (58/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| September | ±0 | +0.3 °C | +0.2 °C | -1.3 | -6.8 mm | +0.6 h | -0.6 % | -0.2 m/s | +0.1 °C |
| November | +2 | -0.5 °C | -0.5 °C | +0.1 | -8.6 mm | -0.6 h | ±0 % | +0.6 m/s | -0.5 °C |
All twelve months in context
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Where to stay in St. Lucia
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Useful next decisions
Frequently asked questions
How warm is St. Lucia in October?
The average daily high is around 29 °C, with an average daily low of about 28 °C.
Can you swim in St. Lucia in October?
The sea is about 29 °C (very warm).
Does it rain a lot in St. Lucia in October?
The curated estimate is about 21 rainy days per month, not a directly measured long-term average. Total precipitation averages around 192 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit St. Lucia?
By the climate score, January, February, March and April are the strongest months for St. Lucia. For a beach trip: January, February, March and April. October is not among them.