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Saint Barthélemy, Saint Barthélemy · Tropical

Saint Barthélemy: best months to visit

May (8.8/10) · November (5.6/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 17.90°N · 62.83°W
⚡ Quick answer
May
Depends on your goals
8.8/10
☀️ May
Top score (8.8/10)
🌤️ Mar
Alt. (8.6/10)
Nov
Plus rude (5.6/10)
🌴 Tropical☀️ High UV☀️ Dry all year
Photo par Loris Boulinguez via Unsplash
Decide

When to visit Saint Barthélemy?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Saint Barthélemy, May and March clearly stand out. November concentrates the least favorable conditions.
Top & avoid
🏆 May · 8.8 March · 8.6 April · 8.6 January · 8.4 ⚠️ November · 5.6
8.4
Jan
8.4
Feb
8.6
Mar
8.6
Apr
8.8
May
6.0
Jun
5.8
Jul
5.9
Aug
5.7
Sep
5.6
Oct
5.6
Nov
8.4
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Saint Barthélemy offers 6 comfortable months, without any month really to avoid. The gap stays moderate: 8.8 in May vs 5.6 in November.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 6 comfortable months (Jan · Feb · Mar · Apr · May · Dec)
MonthT° minT° maxRain %mm/daySunScoreVerdict
☀️ January →75°F79°F18%1.1mm6.9h8.4/10Best period
☀️ February →75°F77°F17%1.5mm7.2h8.4/10Best period
☀️ March →75°F77°F11%0.7mm7.9h8.6/10Best period
☀️ April →75°F79°F18%1.6mm7.8h8.6/10Best period
☀️ May →77°F81°F17%1.7mm8.0h8.8/10Best period
⛅ June →79°F81°F16%1.4mm8.1h6.0/10Decent period
🌥️ July →79°F82°F24%2.2mm7.5h5.8/10Decent period
🌥️ August →79°F82°F24%2.7mm7.4h5.9/10Decent period
🌥️ September →79°F82°F32%4.4mm6.9h5.7/10Decent period
🌥️ October →79°F82°F30%3.8mm6.7h5.6/10Decent period
🌥️ November →79°F81°F28%3.7mm6.4h5.6/10Decent period
☀️ December →77°F79°F19%1.4mm6.7h8.4/10Best period
📊 Quick read
Optimal window
Jan → May
Good transition
Jun · Nov
Tough period
none
🌡️ Detailed conditions (May)
🌡️ Feel
Warm
☀️ UV
9.0 · Very strong
💧 Humidity feel
71°F · Humid
☔ Rain
17% · 1.7 mm/day
🌅 Sunshine
8.0h/day
10-year trend

Annual temperatures — Saint Barthélemy

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min75°79°82°201620172018201920202021202220232024202582°F — decade peak (2024)+1.77°F / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🌞 Dry season🏖️ Beaches🌊 Surf
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Saint Barthélemy

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Saint Barthélemy

🗣️LanguageFrench
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘ+1.77°F/decade
🔥Hottest monthJuly · 82°F
❄️Coolest monthFebruary · 77°F
🌧️Rainiest month ⓘSeptember · 32%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
🛂VisaSchengen · 90 days
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is Saint Barthélemy ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Tropical climate with a 8.8 → 5.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
17.90°N · 62.83°W
Questions

Frequently asked questions

What is the best time to visit Saint Barthélemy?
May is the best month with 81°F highs, 77°F lows, 8.0h of sunshine and 17.0% rainy days. The months of May & March offer comparable conditions.
How many hours of sunshine does Saint Barthélemy get in May?
Saint Barthélemy averages 8.0 sunshine hours per day in May. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Saint Barthélemy?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Saint Barthélemy in May?
In May, overnight lows reach 77°F, while afternoon highs average 81°F.
Is Saint Barthélemy good in winter?
In winter (December-February), Saint Barthélemy scores 7.9/10 on average — Acceptable conditions for cultural visits.. The best month overall remains May with a score of 8.3/10.
When should you avoid Saint Barthélemy?
September is the most difficult month to visit Saint Barthélemy, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.