When to Visit St. George's

January brings the heart of the dry season to St. George's, with highs around 28°C (82°F) and lows near 24°C (76°F). Rainfall averages about 58 mm for the month, usually arriving as quick afternoon showers that clear within the hour. Humidity sits at 75 percent. The trade winds are reliable. UV peaks at 10 on clear days. This is high season. Expect the beaches and harbor area to be noticeably busier.

February is arguably the most comfortable month of the year. Temperatures hold steady at highs of 28°C (82°F) and lows of 24°C (76°F). Rainfall drops to around 48 mm, the lowest of any month. Humidity dips to 73 percent. The air has a crispness to it, at least by Caribbean standards. UV climbs to 12, so the sun already has real bite.

March starts the shift toward warmer days, with highs reaching 28°C (83°F) and lows at 25°C (76°F). Rainfall stays modest at around 51 mm. Humidity holds at 74 percent. The real story is the UV index hitting 13, which is extreme by any measure. Midday shade or serious sun protection is worth taking seriously. The island is still firmly in peak season.

April matches March for sun intensity with UV at 13. Temperatures nudge up to highs of 29°C (84°F) and lows of 25°C (77°F). At 46 mm, this is technically the driest month of the year. Humidity stays at 73 percent. The trade winds are still present but beginning to soften. You can feel the wet season approaching. It hasn't arrived yet.

May is the transitional month. Highs reach 29°C (85°F) with lows of 26°C (78°F). Rainfall ticks back up to 58 mm as the first real wet-season showers start appearing. Humidity rises to 75 percent. The tourist crowds thin out noticeably. There is a distinct feeling of the island shifting gears. UV sits at 12.

June marks the wet season's arrival with conviction. Rainfall roughly doubles to 114 mm. Humidity jumps to 79 percent. The trade winds lose some of their steadiness. Highs stay at 29°C (84°F) with lows of 26°C (78°F), so temperature-wise not much has changed. The moisture in the air makes it feel considerably warmer. Expect afternoon and evening downpours that are heavy but usually short-lived. UV holds at 12.

July is typically the wettest month at 135 mm of rain. At 80 percent humidity it is also the most moisture-laden. Highs of 29°C (84°F) and lows of 25°C (78°F) don't look dramatically different on paper. The combination of moisture and reduced wind makes July feel heavier than the numbers suggest. The hills above St. George's are spectacularly green, though. The waterfalls in the interior are running at full power. UV is 11.

Carnival falls in August, so despite being deep in the wet season, the island is alive with activity. Highs edge up to 29°C (85°F) with lows of 26°C (79°F), and rainfall eases slightly to 107 mm. Humidity stays at 79 percent. The Carnival period itself brings a burst of visitors and energy. But outside those weeks, St. George's is quiet. UV sits at 12.

This is the warmest month on paper, with highs reaching 30°C (86°F) and lows of 26°C (80°F). Rainfall pulls back to 86 mm, which feels like a relative reprieve, and humidity drops to 76 percent. The peak of hurricane season falls here, so while Grenada's southern position offers some protection, this is the month to keep an eye on weather forecasts. UV is 12.

Rainfall climbs again to 119 mm, with highs of 29°C (85°F) and lows of 26°C (79°F). Humidity holds at 76 percent and the hurricane threat, while diminishing, hasn't fully passed. The rain tends to arrive in concentrated late-afternoon bursts, and the vegetation is as lush as it gets. UV drops to 11. St. George's feels unhurried, almost sleepy.

This month rivals July for rainfall at 132 mm, with highs of 29°C (84°F) and lows of 26°C (78°F). Humidity sits at 77 percent. The wet season is still firmly in place, though by the end of the month you can start to sense the approaching dry season in the occasional string of clear days. UV drops to 10.

This month marks the transition back to dry. Rainfall drops to 81 mm, noticeably less than the preceding months, and highs settle to 28°C (82°F) with lows of 25°C (77°F). Humidity is 76 percent. The trade winds start reasserting themselves and evenings along the Carenage take on that pleasant dry-season character. UV is at its annual low of 9, which is still strong enough to burn unprotected skin within about twenty minutes. The holiday period brings the tourist season back to life.