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Grenadines, Saint Vincent and the Grenadines · Tropical

Grenadines in May: go or not?

Mixed period. Grenadines in May: 5.9/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 13.01°N · 61.23°W
⚡ This month's verdict
Why not
Grenadines · May
5.9
26–27°
Temperature
26%
Rain
8h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Hugh Whyte via Unsplash
The month in detail

What to expect in May

Spring marks the start of the good season in Grenadines. Temperatures rise (27.0°F) and tourists have not yet arrived en masse. Expect rain on 26.0% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. April (8.7/10) is significantly better if possible.

May ranks 6 out of 12 months in Grenadines. Compared to April: +2°F daytime, 8 pts more rainy days.

This month's conditions

What it's like in May

UV index
9 · very high
protection essential
Feels like
very humid
22°
Sea
29°C
warm, ideal
Daylight
12.6h of daylight
Air quality
fair
AQI 40
Compare

Is May the right month?

The best month in Grenadines is April (8.7/10), 2.8 pts higher than May.

See April →See all 12 months →
Context

Our verdict

Grenadines (Saint Vincent and the Grenadines), Caribbean micro-state in the south of the Lesser Antilles : 110,000 inhabitants on 32 islands of which 9 inhabited. The country is made up of the main island Saint Vincent + 32 small Grenadines islets (Bequia, Mustique, Canouan, Mayreau, Union Island, Tobago Cays, Palm Island, Petit Saint Vincent).

Read Gilles' full review →

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 · Grenadines

GetYourGuide selection · free cancellation

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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 Vincent and the Grenadines

🗣️LanguageEnglish
💶CurrencyEast Caribbean Dollar ($)
🚗DrivingLeft-hand
🛡️Safety Very safe · 1/5
💰Cost of living Moderate · 3/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend +1.66°F/decade
🔥Hottest monthAugust · 82°F
❄️Coolest monthJanuary · 79°F
🌧️Rainiest month October · 59%

🏝️ Tropical stay

🌞Dry season May → Sep
🌧️Wet season Dec → Mar
🌀Cyclones Season Nov-Apr
Location

Where is Grenadines ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Saint Vincent and the Grenadines
Tropical climate with a 8.7 → 5.1 gap between best and worst month. 10 years of ERA5 data to choose by project.
13.01°N · 61.23°W
Questions

Frequently asked questions

What is the best time to visit Grenadines?
April is the best month with 79°F highs, 77°F lows, 8.7h of sunshine and 18.0% rainy days. The months of April & March offer comparable conditions.
How many hours of sunshine does Grenadines get in April?
Grenadines averages 8.7 sunshine hours per day in April. It is the sunniest month with a climate score of 8.2/10.
What is the rainiest month in Grenadines?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Grenadines in April?
In April, overnight lows reach 77°F, while afternoon highs average 79°F.
Is Grenadines good in winter?
In winter (December-February), Grenadines scores 7.7/10 on average — Acceptable conditions for cultural visits.. The best month overall remains April with a score of 8.2/10.
When should you avoid Grenadines?
July is the most difficult month to visit Grenadines, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Grenadines in May?
In May, the sea averages 84°F in Grenadines: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Grenadines in May?
The average UV index reaches 9 in May in Grenadines (very high), with about 12.6h of daylight. Protection essential.