Saint George's climate
Saint George's is warmest in September, with average highs of 28 °C, and coldest in February, when nights average 25 °C. November is the wettest month (160 mm) and February the driest (26 mm). Figures are 1991–2020 climate normals.
Across a full year Saint George's averages 1,133 mm of rain and 365 days above 25 °C.
Grenada · 6 m elevation · population 7,500 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month September 28 °C
- Coldest month February 25 °C
- Driest month February 26 mm
- Wettest month November 160 mm
- Least cloud January 37 % cloud
- Hottest on record September 31 °C
- Coldest on record January 22 °C
- Warmest sea September 29 °C
What to expectSaint George's through the year
Saint George's changes little through the year. Average daily highs stay between 27 and 28 °C, so no month stands out as a season in the way it would further from the equator.
Counted across a normal year, 365 days a year reach 25 °C, 2 of them reach 30 °C. The warmest reading in the 1991–2020 record is 31 °C, in September.
Rain is strongly seasonal. November averages 160 mm against 26 mm in February — 6.1 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Saint George's is warmest in September at 29 °C and coldest in February at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 26.6 °C | 50 mm | 37 % |
| February | 26.7 °C | 26 mm | 37 % |
| March | 27.1 °C | 29 mm | 43 % |
| April | 27.7 °C | 34 mm | 56 % |
| May | 28.2 °C | 58 mm | 59 % |
| June | 27.9 °C | 117 mm | 64 % |
| July | 27.8 °C | 138 mm | 56 % |
| August | 28.0 °C | 150 mm | 55 % |
| September | 28.5 °C | 139 mm | 61 % |
| October | 28.2 °C | 152 mm | 63 % |
| November | 27.6 °C | 160 mm | 57 % |
| December | 27.1 °C | 79 mm | 45 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 26.6 °C | 24.7 °C | 25.6 °C | 28.8 °C | 21.9 °C | 31 | 0 | 0 |
| February | 26.7 °C | 24.7 °C | 25.6 °C | 29.0 °C | 22.1 °C | 28 | 0 | 0 |
| March | 27.1 °C | 24.9 °C | 25.9 °C | 29.6 °C | 22.8 °C | 31 | 0 | 0 |
| April | 27.7 °C | 25.5 °C | 26.5 °C | 30.1 °C | 23.1 °C | 30 | 0 | 0 |
| May | 28.2 °C | 26.0 °C | 27.0 °C | 30.2 °C | 24.0 °C | 31 | 0 | 0 |
| June | 27.9 °C | 25.8 °C | 26.8 °C | 30.3 °C | 24.1 °C | 30 | 0 | 0 |
| July | 27.8 °C | 25.7 °C | 26.7 °C | 30.2 °C | 24.1 °C | 31 | 0 | 0 |
| August | 28.0 °C | 25.9 °C | 27.0 °C | 30.2 °C | 24.2 °C | 31 | 0 | 0 |
| September | 28.5 °C | 26.3 °C | 27.4 °C | 31.1 °C | 24.5 °C | 30 | 1 | 0 |
| October | 28.2 °C | 26.1 °C | 27.2 °C | 29.9 °C | 24.1 °C | 31 | 0 | 0 |
| November | 27.6 °C | 25.7 °C | 26.7 °C | 29.5 °C | 23.6 °C | 30 | 0 | 0 |
| December | 27.1 °C | 25.3 °C | 26.2 °C | 28.9 °C | 22.8 °C | 31 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 50 mm | 12 | 11 h/day | 37 % | 78 % | 31 km/h | 27.0 °C |
| February | 26 mm | 8 | 12 h/day | 37 % | 76 % | 31 km/h | 26.8 °C |
| March | 29 mm | 7 | 12 h/day | 43 % | 76 % | 30 km/h | 26.8 °C |
| April | 34 mm | 8 | 12 h/day | 56 % | 77 % | 30 km/h | 27.2 °C |
| May | 58 mm | 12 | 13 h/day | 59 % | 78 % | 30 km/h | 27.7 °C |
| June | 117 mm | 19 | 13 h/day | 64 % | 81 % | 31 km/h | 27.7 °C |
| July | 138 mm | 22 | 13 h/day | 56 % | 82 % | 29 km/h | 28.0 °C |
| August | 150 mm | 23 | 13 h/day | 55 % | 82 % | 26 km/h | 28.8 °C |
| September | 139 mm | 20 | 12 h/day | 61 % | 81 % | 25 km/h | 29.2 °C |
| October | 152 mm | 22 | 12 h/day | 63 % | 81 % | 26 km/h | 29.1 °C |
| November | 160 mm | 22 | 12 h/day | 57 % | 82 % | 27 km/h | 28.5 °C |
| December | 79 mm | 15 | 11 h/day | 45 % | 79 % | 29 km/h | 27.8 °C |
How Saint George's compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Saint George's | 28 °C | 25 °C | 1,133 mm | 365 |
| Kingstown · Saint Vincent and the Grenadines | 29 °C | 25 °C | 1,022 mm | 365 |
| Port of Spain · Trinidad and Tobago | 30 °C | 24 °C | 940 mm | 365 |
| Carúpano · Venezuela | 31 °C | 23 °C | 1,011 mm | 365 |
| Castries · Saint Lucia | 29 °C | 23 °C | 813 mm | 365 |
| Bridgetown · Barbados | 29 °C | 24 °C | 929 mm | 365 |
| Porlamar · Venezuela | 29 °C | 24 °C | 465 mm | 364 |
Where Saint George's ranks
| Ranking | Position | Value |
|---|---|---|
| The warmest places in North America in December | 49thof 50 | 27 °C |
Planning a trip? See the best time to visit Saint George's.
QuestionsCommon questions about Saint George's’s climate
When is the best time to visit Saint George's?
That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March sit closest to 20 °C on average, September is the warmest month and February the driest. The month-by-month table above has the full picture.
How hot does Saint George's get?
In September, the warmest month, daily highs average 28 °C. About 2 days a year pass 30 °C. The highest value in the 1991–2020 record is 31 °C.
How cold does it get in winter?
Nights average 25 °C in February, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Saint George's?
November, averaging 160 mm over 22 days with rain. The driest month is February with 26 mm. The year as a whole averages 1,133 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Saint George's rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.