Saint Thomas in May: weather, rain (33%) and should you go? [2026]

Month summary

Saint Thomas weather in May

✅ Good

🌡️ Temperature min / max

79°F – 81°F

🌧 Rainy days

33% of days

☀️ Sunshine

11.4h per day on average

🌊 🌊 Season

Spring

⭐ ⭐ Weather score

8.7/10

📅 📅 Best month

March (8.8/10)

Quick decision

Should you visit Saint Thomas in May?

✅ Good

✅ Yes if: you want good weather with lower prices than peak season.

❌ No if: you need guaranteed perfect weather — some mixed days are possible.

🌧 Rain : ███░░░░░░░ 33%

🌡 Temperature : ███████░░░ 81°F

☀️ Sunshine : ████████░░ 11.4h/d

Our take: May in Saint Thomas is absolutely gorgeous—warm tropical days hovering around 26–27°C with plenty of sunshine, though afternoon showers are fairly common. Perfect for beach lovers who don't mind occasional rain and want to avoid peak season crowds and prices. You'll get that ideal balance of warm weather and refreshing tropical downpours that keep the island lush and green.

By trip type

Saint Thomas in May by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ✅ Good
🏖️ Beach / swimming : ✅ Good
💰 💰 Budget : 💸 Peak season

Local context

What to expect in May

Spring marks the start of the good season in Saint Thomas. Temperatures rise (27°F) and tourists have not yet arrived en masse. Expect rain on 33% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if March (8.8/10) remains theoretically better.

Browse by month

All months for Saint Thomas

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °F	Max °F	Rain %	Precip in	Sun h/d	Score
🌤️ January	77°F	79°F	31%	1.2in	10.6h	8.6/10
🌤️ February	75°F	79°F	37%	1.4in	11.7h	8.4/10
🌤️ March	75°F	79°F	25%	1.0in	10.8h	8.8/10
🌤️ April	77°F	79°F	29%	1.6in	11.8h	8.7/10
🌤️ May	79°F	81°F	33%	2.3in	11.4h	8.7/10
🌤️ June	79°F	82°F	35%	1.7in	12.3h	8.7/10
🌤️ July	81°F	82°F	43%	3.0in	11.6h	8.4/10
🌤️ August	81°F	82°F	52%	3.9in	11.1h	8.2/10
🌤️ September	81°F	84°F	55%	5.3in	10.9h	7.9/10
🌤️ October	81°F	82°F	56%	4.9in	10.2h	8.0/10
🌤️ November	79°F	82°F	54%	5.1in	9.9h	8.1/10
🌤️ December	79°F	81°F	37%	1.5in	10.3h	8.5/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Saint Thomas averages 81°F, 33% rainy days and 11.4h of sunshine per day. Overall weather score: 8.7/10. See methodology →

Comparison