Temperature
Warm by day, warm at night.
80°Ftypical December high
Typical range
December climate
December in St. George's
Grenada · Caribbean
Warm days and some sun. Humid air and wind on open waterfronts and rooftops are the main drawbacks.
Some tradeoffs
Mid to late
Daytime high
80°F
Lows around 78°F
Rain
Frequent rain
Sun
11 h/day
Air feel
Humid
Sea temp
82°F
Great for swimming
Wind
17 mph
Windy
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 17 wet days this month.
55%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.8 hDecember sunshine
Heat & humidity by month
Warm days, with humid periods.
99%December Heat feel
Warm airHumid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 79° and nights feel near 78°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
54%December Clear sky
Clear skyCloud
Wind pattern
Wind can affect exposed beach comfort.
17 mphDecember Windy
Sea temperature
82°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 79°F through the day and night.
Avg temp Typical range
Morning79°F
Rain31%
Cloud44%
Humid airVery high
Sun intensityModerate
Midday79°F
Rain28%
Cloud44%
Humid airVery high
Sun intensityStrong
Late afternoon79°F
Rain25%
Cloud45%
Humid airVery high
Sun intensityModerate
Early evening79°F
Rain26%
Cloud43%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 79 | 77 | 2.0 | 14 | 10.9 | 79 | 81 |
| Feb | 79 | 76 | 1.0 | 8 | 11.0 | 78 | 80 |
| Mar | 79 | 77 | 1.1 | 7 | 11.5 | 78 | 80 |
| Apr | 80 | 78 | 1.3 | 8 | 11.8 | 80 | 81 |
| May | 81 | 79 | 2.3 | 12 | 11.6 | 81 | 82 |
| Jun | 81 | 78 | 4.9 | 19 | 11.2 | 83 | 82 |
| Jul | 81 | 78 | 6.2 | 23 | 11.4 | 83 | 83 |
| Aug | 82 | 79 | 6.3 | 24 | 11.2 | 83 | 84 |
| Sep | 83 | 79 | 5.4 | 20 | 11.1 | 81 | 85 |
| Oct | 82 | 79 | 6.5 | 23 | 10.8 | 82 | 84 |
| Nov | 81 | 78 | 6.4 | 22 | 10.6 | 82 | 83 |
| Dec | 80 | 78 | 3.3 | 17 | 10.8 | 80 | 82 |
Similar climates
Similar
Similar travel styleEnglish HarbourAntigua and BarbudaSimilar travel styleWillemstadCuracaoSimilar travel stylePort LouisMauritiusSimilar travel styleGrand TurkTurks and Caicos Islands
Want a side-by-side climate view? Compare St. George's with English Harbour.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 16, 2026
Data & methodology