Saint Lucia
St. Lucia in June: weather, sea & travel advice
This month's data profile
Rain shapes the decision
St. Lucia in June is climatically well suited to beach holidays. The average daily high is around 29 °C, and the sea is about 28 °C. With about 18 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
63/100 · #7
Warmth
#5
Dryness
#7
Sun
#7
Sea warmth
#6
Published best categories: none
St. Lucia · JunePhoto: DavidMPyle · CC BY 4.0Climate facts
- Average high
- 29 °C
- Average low
- 27 °C
- Sea
- 28 °C
- Rainy days (est.)
- 18 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 |
|---|---|---|---|---|---|---|---|---|---|
| May | 28 | 27 | 15 | 104 | 7.8 | 77 | 6.1 | 28 | 69 |
| June (selected) | 29 | 27 | 18 | 135 | 7.3 | 79 | 6.7 | 28 | 63 |
| July | 29 | 27 | 21 | 147 | 7.6 | 79 | 6.4 | 28 | 61 |
How do the previous and next months compare?
Baseline: June (63/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| May | +6 | -0.1 °C | -0.3 °C | -3.8 | -31.2 mm | +0.5 h | -1.4 % | -0.5 m/s | -0.1 °C |
| July | -2 | +0.1 °C | +0.1 °C | +2.6 | +11.8 mm | +0.3 h | +0.3 % | -0.2 m/s | +0.2 °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 June?
The average daily high is around 29 °C, with an average daily low of about 27 °C.
Can you swim in St. Lucia in June?
The sea is about 28 °C (very warm).
Does it rain a lot in St. Lucia in June?
The curated estimate is about 18 rainy days per month, not a directly measured long-term average. Total precipitation averages around 135 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. June is not among them.