Grenada (St George's) weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: December – May
What is the weather like in Grenada (St George's) in January?
In January, Grenada (St George's) is warm: daytime highs average 27 °C, and even at night it stays warm at around 25 °C. The sea averages 27.2 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 13 rainy days and 52 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 32 km/h. All in all, January is an excellent month for a holiday in Grenada (St George's).
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 80 | 86 | 93 |
| Day | 27° | 27° | 27° |
| Night | 26° | 25° | 25° |
| Sea | 28° | 27° | 27° |
| Sun | 8 h | 9 h | 9 h |
| Rain days | 16 | 13 | 9 |
More details for January
- Daylight
- 11 h 29 min06:31 – 18:00
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 32 km/haverage daily peakAll months
- Cloud cover
- 37 %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 %95 %
- Few rainy daysweight 20 %33 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Grenada (St George's) in January: quick answers
Is Grenada (St George's) hot in January?
Warm rather than hot: in January, daytime highs in Grenada (St George's) average 27 °C and nights cool to about 25 °C.
Can you swim in Grenada (St George's) in January?
Yes. In January the sea averages 27.2 °C – lovely and warm for swimming.
Does it rain much in Grenada (St George's) in January?
Rain is frequent, with about 13 rainy days and 52 mm in total.
Grenada (St George's) month by month
The whole year in Grenada (St George's)All destinations: GrenadaCaribbean weather in JanuaryWhere to go in JanuarySea temperature in January
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