Monthly climate averages for Grenada, United States. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewGrenada, United States in May has warm conditions, with highs averaging 27.2°C (81°F). Rain falls on about 12 days this month.
This month falls at the end of Spring.
Daily highs in May gradually rise from around 25°C (77°F) at the start to 29°C (84°F) by month's end.
May sees fairly even rainfall, totalling about 102 mm across the month.
Expect around 9.4h of sunshine at the start of May, increasing to 11.4h by the end.
The warmest days tend to fall around the 31th, averaging 29°C (84°F).
Compared to April, this month is about 4°C warmer with 1 more rainy days. Temperatures will rise further into June.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 27°C (81°F) are ideal for full-day outdoor exploration. 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.
| 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 |
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.
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