Grenada, United States — Weather in August 2026

Climate Overview

Grenada, United States in August has hot conditions, with highs reaching 32.6°C (91°F) and afternoons the warmest part of the day. Rain falls on about 12 days this month.

This month falls at the end of Summer. Temperatures are at their seasonal peak.

Temperatures remain fairly steady throughout August, with daily highs around 32°C (90°F).

August sees fairly even rainfall, totalling about 89 mm across the month.

Expect around 12.0h of sunshine at the start of August, decreasing to 10.0h by the end.

The warmest days tend to fall around the 13th, averaging 33.3°C (92°F).

Monthly August Averages

Temperature

33°C / 24°C

Feels Like

37°C / 27°C

Rain

12 days · 90 mm

Sunshine

10.9h / day

Humidity

72% — Muggy

Wind

11 km/h

Wind Direction

ESE (117°)

Gusts

28 km/h

Daylight

13.4 h

Cloud Cover

51%

Clear Sky Days

4.2

UV Index

7.6 — Very High

Dew Point

23°C — Muggy

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:22

Daylight 13.4h

Sunset 19:48

What to Expect

With midday temperatures reaching 33°C (91°F), schedule outdoor activities for early morning or late afternoon. Evenings remain warm enough for comfortable outdoor dining and night markets. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

2 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	12°C / 4°C	10°C / 0°C	10days (134 mm) Wet	6.4h Fair	72% Muggy	3.2 Moderate	Poor	View Details
February	16°C / 6°C	15°C / 3°C	12days (155 mm) Wet	6.3h Fair	74% Muggy	4.2 Moderate	Fair	View Details
March	20°C / 10°C	19°C / 8°C	13days (166 mm) Wet	8h Good	70% Muggy	5.6 High	Good	View Details
April	23°C / 13°C	23°C / 12°C	11days (143 mm) Wet	9.3h Good	71% Muggy	6.7 High	Good	View Details
May best	27°C / 18°C	30°C / 19°C	12days (102 mm) Wet	10.6h Excellent	74% Muggy	7.4 Very High	Excellent	View Details
June	31°C / 22°C	36°C / 25°C	11days (102 mm) Wet	11.7h Excellent	72% Muggy	8 Very High	Fair	View Details
July	33°C / 24°C	38°C / 28°C	13days (95 mm) Wet	11.9h Excellent	74% Muggy	8 Very High	Poor	View Details
August	33°C / 24°C	37°C / 27°C	12days (90 mm) Wet	10.9h Excellent	72% Muggy	7.6 Very High	Poor	View Details
September	31°C / 21°C	33°C / 23°C	7days (68 mm) Good	10.3h Excellent	67% Muggy	6.3 High	Good	View Details
October best	25°C / 16°C	26°C / 15°C	6days (79 mm) Good	8.9h Good	65% Muggy	5.3 High	Excellent	View Details
November	18°C / 9°C	17°C / 7°C	8days (84 mm) Wet	7.6h Good	70% Muggy	4 Moderate	Good	View Details
December	14°C / 6°C	13°C / 3°C	11days (122 mm) Wet	5.9h Fair	75% Muggy	3.1 Moderate	Fair	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

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

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

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Is August a good time to visit Grenada?

August is typically poor for visiting Grenada, with average highs of 33°C (91°F) and around 12 rainy days. Grenada, United States in August has hot conditions, with highs reaching 32.6°C (91°F) and afternoons the warmest part o

Does it rain a lot in Grenada in August?

Grenada typically sees around 12 rainy days in August with 90 mm (3.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Grenada in August?

Nights stay pleasantly warm in Grenada during August, around 24°C (74°F). Light evening wear is sufficient.

What should I pack for Grenada in August?

With highs of 33°C (91°F) and lows of 24°C (74°F) in August, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Grenada?

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

What is the UV index in Grenada in August?

The average UV index in Grenada during August is 8 (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 Grenada in August?

Grenada gets approximately 13 hours of daylight per day in August, with around 11 hours of sunshine.

Does it snow in Grenada in August?

Snow is uncommon in Grenada during August based on 10-year climate averages.

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