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

  1. Jan 26°
  2. Feb 26°
  3. Mar 26°
  4. Apr 26°
  5. May 27°
  6. Jun 27°
  7. Jul 27°
  8. Aug 27°
  9. Sep 27°
  10. Oct 27°
  11. Nov 27°
  12. Dec 26°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

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

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January26.6 °C24.7 °C25.6 °C28.8 °C21.9 °C3100
February26.7 °C24.7 °C25.6 °C29.0 °C22.1 °C2800
March27.1 °C24.9 °C25.9 °C29.6 °C22.8 °C3100
April27.7 °C25.5 °C26.5 °C30.1 °C23.1 °C3000
May28.2 °C26.0 °C27.0 °C30.2 °C24.0 °C3100
June27.9 °C25.8 °C26.8 °C30.3 °C24.1 °C3000
July27.8 °C25.7 °C26.7 °C30.2 °C24.1 °C3100
August28.0 °C25.9 °C27.0 °C30.2 °C24.2 °C3100
September28.5 °C26.3 °C27.4 °C31.1 °C24.5 °C3010
October28.2 °C26.1 °C27.2 °C29.9 °C24.1 °C3100
November27.6 °C25.7 °C26.7 °C29.5 °C23.6 °C3000
December27.1 °C25.3 °C26.2 °C28.9 °C22.8 °C3100

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWindSea temp
January50 mm1211 h/day37 %78 %31 km/h27.0 °C
February26 mm812 h/day37 %76 %31 km/h26.8 °C
March29 mm712 h/day43 %76 %30 km/h26.8 °C
April34 mm812 h/day56 %77 %30 km/h27.2 °C
May58 mm1213 h/day59 %78 %30 km/h27.7 °C
June117 mm1913 h/day64 %81 %31 km/h27.7 °C
July138 mm2213 h/day56 %82 %29 km/h28.0 °C
August150 mm2313 h/day55 %82 %26 km/h28.8 °C
September139 mm2012 h/day61 %81 %25 km/h29.2 °C
October152 mm2212 h/day63 %81 %26 km/h29.1 °C
November160 mm2212 h/day57 %82 %27 km/h28.5 °C
December79 mm1511 h/day45 %79 %29 km/h27.8 °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

RankingPositionValue
The warmest places in North America in December49thof 5027 °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

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.