Diamond, Saint Vincent and the Grenadines — Weather in May 2027

Climate Overview

Diamond, Saint Vincent and the Grenadines in May has hot conditions, with highs reaching 28.6°C (83°F) and afternoons the warmest part of the day. Winds are noticeable. Sea temperature reaches 28.3°C (83°F).

This month falls at the end of Spring.

Temperatures remain fairly steady throughout May, with daily highs around 29°C (84°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

The warmest days tend to fall around the 23th, averaging 28.8°C (84°F).

Monthly May Averages

Temperature

29°C / 26°C

Feels Like

32°C / 28°C

Rain

9 days · 39 mm

Sunshine

11.6h / day

Humidity

77% — Muggy

Wind

32 km/h

Wind Direction

E (86°)

Gusts

42 km/h

Daylight

12.7 h

Cloud Cover

60%

Clear Sky Days

2.2

UV Index

8.8 — Very High

Sea Temperature

28°C

Dew Point

23°C — Muggy

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:39

Daylight 12.7h

Sunset 18:23

What to Expect

Daytime temperatures around 29°C (83°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	27°C / 25°C	28°C / 25°C	15days (42 mm) Wet	10.5h Excellent	76% Humid	7.2 Very High	Excellent	View Details
February best	27°C / 25°C	28°C / 25°C	9days (26 mm) Wet	10.8h Excellent	74% Muggy	8.1 Very High	Excellent	View Details
March best	27°C / 25°C	30°C / 25°C	9days (24 mm) Wet	11.2h Excellent	75% Muggy	8.9 Very High	Excellent	View Details
April best	28°C / 26°C	31°C / 27°C	8days (26 mm) Wet	11.5h Excellent	75% Muggy	9 Very High	Good	View Details
May	29°C / 26°C	32°C / 28°C	9days (39 mm) Wet	11.6h Excellent	77% Humid	8.8 Very High	Fair	View Details
June	29°C / 27°C	31°C / 28°C	15days (101 mm) Wet	11.2h Excellent	79% Humid	8.5 Very High	Fair	View Details
July	29°C / 26°C	32°C / 28°C	21days (125 mm) Wet	11.3h Excellent	80% Humid	8.5 Very High	Wet	View Details
August	29°C / 27°C	33°C / 29°C	21days (139 mm) Wet	11.1h Excellent	81% Humid	8.7 Very High	Wet	View Details
September	29°C / 27°C	34°C / 30°C	17days (144 mm) Wet	10.7h Excellent	79% Humid	8.7 Very High	Poor	View Details
October	29°C / 27°C	33°C / 29°C	19days (161 mm) Wet	10.3h Excellent	80% Humid	8 Very High	Wet	View Details
November	28°C / 26°C	31°C / 28°C	20days (139 mm) Wet	10.1h Excellent	80% Humid	7 High	Wet	View Details
December best	28°C / 26°C	30°C / 27°C	14days (58 mm) Wet	10.1h Excellent	77% Humid	6.7 High	Excellent	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Diamond?

May is typically fair for visiting Diamond, with average highs of 29°C (83°F) and around 9 rainy days. Diamond, Saint Vincent and the Grenadines in May has hot conditions, with highs reaching 28.6°C (83°F) and afternoons th

Does it rain a lot in Diamond in May?

Diamond typically sees around 9 rainy days in May with 39 mm (1.5 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Diamond in May?

Nights stay pleasantly warm in Diamond during May, around 26°C (80°F). Light evening wear is sufficient.

What should I pack for Diamond in May?

With highs of 29°C (83°F) and lows of 26°C (80°F) in May, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Diamond?

May is not the most favourable month weather-wise in Diamond. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Diamond in May?

The average UV index in Diamond during May is 9 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Diamond in May?

Diamond gets approximately 13 hours of daylight per day in May, with around 12 hours of sunshine.

Does it snow in Diamond in May?

Snow is uncommon in Diamond during May based on 10-year climate averages.

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