Grenada (St George's) weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: December – May
What is the weather like in Grenada (St George's) in December?
In December, Grenada (St George's) is hot: daytime highs average 27 °C, and even at night it stays warm at around 26 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 83 mm. The air is often humid and muggy. It is often windy, with gusts of around 31 km/h. All in all, December is an excellent month for a holiday in Grenada (St George's).
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 74 | 80 | 86 |
| Day | 28° | 27° | 27° |
| Night | 26° | 26° | 25° |
| Sea | 29° | 28° | 27° |
| Sun | 7 h | 8 h | 9 h |
| Rain days | 22 | 16 | 13 |
More details for December
- Daylight
- 11 h 25 min06:19 – 17:45
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 31 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−4America/Grenada
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %85 %
- Few rainy daysweight 20 %13 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Grenada (St George's) in December: quick answers
Is Grenada (St George's) hot in December?
Yes. In December, Grenada (St George's) is hot: daytime highs average 27 °C and nights stay around 26 °C.
Can you swim in Grenada (St George's) in December?
Yes. In December the sea averages 27.9 °C – lovely and warm for swimming.
Does it rain much in Grenada (St George's) in December?
It rains often – on about 16 days, adding up to 83 mm.
Grenada (St George's) month by month
The whole year in Grenada (St George's)All destinations: GrenadaCaribbean weather in DecemberWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences