Saint George's in Summer
In summer (June, July and August), Saint George's sees average daytime highs around 28°C and overnight lows near 26°C, with 415 mm of rain over about 66 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 38% of the time across summer, and the air most often feels oppressive.
Summer is Saint George's's 3rd-best season to visit on our travel score. Saint George's has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Saint George's's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 415 mm
- 66 wet days
- Avg wind
- 25 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Saint George's in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Saint George's reaches about 28°C and drops to 26°C overnight. The warmest of the three months is August, the coolest July.
How summer really feels in Saint George's
Once humidity and wind are folded in, summer brings about 7 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Saint George's weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 25° | 48 | 12.1 | 11.4 | 6.8 |
| Feb | 26° / 25° | 22 | 7.6 | 11.6 | 7.3 |
| Mar | 26° / 25° | 26 | 6.3 | 11.9 | 7.5 |
| Apr | 27° / 26° | 31 | 7.4 | 12.3 | 7.0 |
| May | 27° / 26° | 55 | 11.9 | 12.5 | 6.2 |
| Jun | 27° / 26° | 117 | 19.3 | 12.7 | 5.0 |
| Jul | 27° / 26° | 142 | 23.2 | 12.6 | 4.7 |
| Aug | 28° / 26° | 156 | 23.8 | 12.4 | 4.5 |
| Sep | 28° / 26° | 143 | 20.2 | 12.1 | 4.4 |
| Oct | 28° / 26° | 160 | 23 | 11.7 | 4.4 |
| Nov | 28° / 26° | 161 | 22 | 11.4 | 4.7 |
| Dec | 27° / 26° | 76 | 15.2 | 11.3 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 38% of the time across summer.
Chance of precipitation in Summer
Saint George's gets around 415 mm of rain over 66 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 25 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².
Hazard calendar for Saint George's
In summer, Saint George's overlaps its atlantic hurricane, rainy season and dust season. The full year is below, with each hazard's peak months called out.
Saint George's sits in the Atlantic hurricane belt; the season peaks August–October.
Saint George's's rainy season runs June–December, when most of the year's rain falls.
Saint George's sees seasonal dust haze (June), heaviest in June.
Is summer a good time to visit Saint George's?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Saint George's for sightseeing.
What to pack for Saint George's in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Saint George's sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 66 days see rain.
Sea temperature near Saint George's in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in September at about 29°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Saint George's in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint George's peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 12 | 14 | 14 | 12 | 11 | 11 | 11 | 12 | 11 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Saint George's in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Saint George's is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 16 | 16 | 19 | 23 | 32 | 26 | 19 | 14 | 17 | 13 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 16 | Moderate |
| Mar | 16 | Moderate |
| Apr | 19 | Moderate |
| May | 23 | Moderate |
| Jun | 32 | Moderate |
| Jul | 26 | Moderate |
| Aug | 19 | Moderate |
| Sep | 14 | Moderate |
| Oct | 17 | Moderate |
| Nov | 13 | Moderate |
| Dec | 13 | Moderate |
Where is Saint George's?
Saint George's sits at 12.1°N, 61.8°W, 6 m above sea level, in Grenada. The nearest listed city is Calliaqua, 134 km away.
Topography around Saint George's
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint George's.
Within 3 km, the terrain around Saint George's has significant variations in elevation — a maximum elevation change of 327 m around an average of 55 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 827 m; within 80 km, large variations in elevation — a maximum elevation change of 799 m.
The land around Saint George's is covered by water (46%) and trees (43%) within 3 km, water (71%) and trees (27%) within 16 km, and water (96%) within 80 km.
Grenada travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type G
- 230 V · 50 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $12,107
- 2025
- Safe drinking water
- 90%
- of population, 2017
- Homicide rate
- 13.7
- per 100k, 2023
- Road deaths
- 8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint George's (12.0529°, -61.7523°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.