St. George's, Grenada Weather
St. George's hourly forecast: next 24 hours
Today's high of 84°F (29°C) is right in line with the typical September high of 85°F (30°C).
Current conditions in detail
St. George's weather tomorrow (Friday, September 18)
Tomorrow in St. George's looks patchy rain nearby, with a high of 85° and an overnight low of 81°. Precipitation chance is modest at 29%. Winds top out near 15 mph, and the UV index reaches 12 (extreme).
St. George's 14-day forecast
About the weather in St. George's
Temperature barely moves in St. George's - 2°C between the average September and the average January. Rainfall does the work instead: 5.4 inches (137 mm) in November against 1.5 inches (38 mm) in April.
St. George's weather: quick facts
- Hottest month: September - highs near 85°F (30°C)
- Coldest month: January - highs near 81°F (27°C)
- Decade extremes (2015-2024): 90°F (32°C) high · 71°F (22°C) low
- Wettest month: November (23 rainy days) · Sunniest: April (11.7 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 2°C between the average warmest and coolest month · day to night: 3°C
- Average humidity: 78%
Temperatures through the year
Warmth peaks in September: highs of 85°F (30°C), lows of 79°F (26°C). January is the coolest month, with highs of 81°F (27°C) and lows near 76°F (24°C). The gridded 2015-2024 daily record for this location tops out at 90°F (32°C) and bottoms at 71°F (22°C) - decade extremes, not all-time station records. Between the average September and the average January lie 2°C, a narrower spread than all but 5% of the 3496 cities in our dataset.
Rain, sun and snow
Days and nights are about 3°C apart on average - narrower than almost anywhere else we cover. The wettest month is November (5.4 inches (137 mm) across 23 days) and the driest April.
Season by season
March through May
March through May in St. George's sits firmly in the heat, with daytime highs averaging 83°F (28°C) and nights around 77°F (25°C); rain falls on around 42 of the 90 days. Daylight is generous - around 11.6 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
Through June through August, St. George's brings hot afternoons: 84°F (29°C) by day, 78°F (26°C) after dark, and rain falls on around 68 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
September through November
September through November in St. George's brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 79°F (26°C); rain falls on around 64 of the 90 days. Daylight is generous - around 10.9 hours of sun a day.
December through February
December through February runs hot here - highs near 81°F (27°C), nights near 76°F (24°C), and rain falls on around 47 of the 90 days. Daylight is generous - around 10.9 hours of sun a day.
Average temperatures in St. George's by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 81° | 76° | 15 | 2.1 in | 10.9 h/day | 77% |
| February | 81° | 76° | 12 | 1.7 in | 11.0 h/day | 75% |
| March | 82° | 76° | 14 | 1.7 in | 11.5 h/day | 75% |
| April | 83° | 77° | 12 | 1.5 in | 11.7 h/day | 75% |
| May | 84° | 78° | 15 | 2.1 in | 11.6 h/day | 77% |
| June | 84° | 78° | 21 | 4.1 in | 11.2 h/day | 80% |
| July | 83° | 78° | 24 | 5.2 in | 11.2 h/day | 81% |
| August | 84° | 78° | 23 | 4.6 in | 11.3 h/day | 82% |
| September | 85° | 79° | 20 | 3.7 in | 11.3 h/day | 80% |
| October | 84° | 79° | 22 | 4.7 in | 10.9 h/day | 81% |
| November | 83° | 78° | 23 | 5.4 in | 10.5 h/day | 81% |
| December | 82° | 77° | 19 | 3.2 in | 10.8 h/day | 78% |