Temperature
Warm by day, warm at night.
82°Ftypical October high
Typical range
October climate
October in St. Barts
Saint Barthelemy · Caribbean
Warm days and some sun. Humid air is the main drawback.
Some tradeoffs
Daytime high
82°F
Lows around 79°F
Rain
Frequent rain
Sun
10.5 h/day
Air feel
Very humid
Sea temp
84°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent, with a mix of brief and longer spells. About 17 wet days, the highest monthly average.
55%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.7 hOctober sunshine
Heat & humidity by month
Very humid air is a major factor this month.
69%October Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In October, afternoons feel about 84° and nights feel near 83°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
44%October Clear sky
Clear skyCloud
Wind pattern
October's typical breeze keeps the air from feeling as stagnant.
13 mphOctober Breezy
Sea temperature
84°FOctober sea temp
More detailIncludes daypart comfort
Typical October day
October stays around 81°F through the day and night.
Avg temp Typical range
Morning81°F
Feels 83°F
Rain27%
Cloud53%
Humid airVery high
Sun intensityModerate
Midday81°F
Feels 84°F
Rain26%
Cloud54%
Humid airVery high
Sun intensityStrong
Late afternoon81°F
Feels 84°F
Rain29%
Cloud56%
Humid airVery high
Sun intensityModerate
Early evening81°F
Feels 84°F
Rain31%
Cloud57%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 78 | 76 | 1.1 | 10 | 10.8 | 77 | 80 |
| Feb | 78 | 75 | 1.0 | 7 | 11.0 | 76 | 79 |
| Mar | 78 | 76 | 0.8 | 7 | 11.4 | 76 | 79 |
| Apr | 79 | 76 | 1.4 | 8 | 11.8 | 78 | 80 |
| May | 80 | 78 | 2.2 | 12 | 11.5 | 80 | 81 |
| Jun | 82 | 79 | 1.9 | 11 | 12.1 | 80 | 83 |
| Jul | 82 | 79 | 2.9 | 15 | 12.1 | 81 | 83 |
| Aug | 83 | 80 | 3.5 | 16 | 11.7 | 81 | 84 |
| Sep | 83 | 80 | 4.4 | 17 | 11.1 | 81 | 85 |
| Oct | 82 | 79 | 5.7 | 17 | 10.7 | 81 | 84 |
| Nov | 81 | 78 | 4.2 | 15 | 10.3 | 80 | 83 |
| Dec | 79 | 77 | 1.8 | 12 | 10.3 | 77 | 82 |
Similar climates
Similar
Similar travel styleFort-de-FranceMartiniqueSimilar travel styleGrenadaGrenadaSimilar travel stylePointe-à-PitreGuadeloupeSimilar travel styleKey WestUnited States
Want a side-by-side climate view? Compare St. Barts with Fort-de-France.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology