Calliaqua in Summer
In summer (June, July and August), Calliaqua sees average daytime highs around 27°C and overnight lows near 26°C, with 354 mm of rain over about 58 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 41% of the time across summer, and the air most often feels oppressive.
Summer is Calliaqua's 3rd-best season to visit on our travel score. Calliaqua 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 Calliaqua's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 354 mm
- 58 wet days
- Avg wind
- 27 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Calliaqua in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Calliaqua reaches about 27°C and drops to 26°C overnight. The warmest of the three months is August, the coolest July.
How summer really feels in Calliaqua
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Calliaqua 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° | 36 | 10.9 | 11.3 | 7.0 |
| Feb | 26° / 25° | 21 | 7.6 | 11.6 | 7.5 |
| Mar | 26° / 25° | 23 | 7 | 11.9 | 7.6 |
| Apr | 27° / 25° | 33 | 7.7 | 12.3 | 7.1 |
| May | 27° / 26° | 49 | 10.1 | 12.6 | 6.5 |
| Jun | 27° / 26° | 93 | 15.9 | 12.8 | 5.5 |
| Jul | 27° / 26° | 120 | 20.4 | 12.7 | 5.1 |
| Aug | 28° / 26° | 141 | 21.8 | 12.4 | 4.9 |
| Sep | 28° / 26° | 142 | 19.2 | 12.1 | 4.8 |
| Oct | 28° / 26° | 153 | 21.9 | 11.7 | 4.7 |
| Nov | 27° / 26° | 138 | 19.8 | 11.4 | 5.1 |
| Dec | 27° / 26° | 54 | 12.9 | 11.2 | 6.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 41% of the time across summer.
Chance of precipitation in Summer
Calliaqua gets around 354 mm of rain over 58 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 27 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early June to 12 h 18 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 6.1 kWh/m².
Hazard calendar for Calliaqua
In summer, Calliaqua overlaps its atlantic hurricane, rainy season and dust season. The full year is below, with each hazard's peak months called out.
Calliaqua sits in the Atlantic hurricane belt; the season peaks August–October.
Calliaqua's rainy season runs June–November, when most of the year's rain falls.
Calliaqua sees seasonal dust haze (June–July), heaviest in June.
Is summer a good time to visit Calliaqua?
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 Calliaqua for sightseeing.
What to pack for Calliaqua in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Calliaqua sees daytime highs around 27°C and nights near 26°C. Pack light clothes, rain gear, sun protection and a windbreaker. About 58 days see rain.
Sea temperature near Calliaqua 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 offshore 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 Calliaqua 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 Calliaqua peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (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 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Calliaqua 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 Calliaqua is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 11 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) | 11 | 15 | 13 | 17 | 21 | 31 | 26 | 21 | 15 | 18 | 13 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 15 | Moderate |
| Mar | 13 | Moderate |
| Apr | 17 | Moderate |
| May | 21 | Moderate |
| Jun | 31 | Moderate |
| Jul | 26 | Moderate |
| Aug | 21 | Moderate |
| Sep | 15 | Moderate |
| Oct | 18 | Moderate |
| Nov | 13 | Moderate |
| Dec | 11 | Good |
Where is Calliaqua?
Calliaqua sits at 13.1°N, 61.2°W, 18 m above sea level, in Saint Vincent and the Grenadines. The nearest listed city is Kingstown, 5.0 km away.
Topography around Calliaqua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Calliaqua.
Within 3 km, the terrain around Calliaqua has only modest variations in elevation — a maximum elevation change of 216 m around an average of 33 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 995 m; within 80 km, large variations in elevation — a maximum elevation change of 1,195 m.
The land around Calliaqua is covered by water (55%) and trees (29%) within 3 km, water (73%) and trees (24%) within 16 km, and water (95%) within 80 km.
Saint Vincent and the Grenadines travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / G
- 230 V · 50 Hz
- Prices
- ≈ 55% of US
- price level, 2025
- GDP per capita
- $12,562
- 2025
- Homicide rate
- 51.3
- per 100k, 2023
- Road deaths
- 7.4
- 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 Calliaqua (13.1287°, -61.1918°, elevation 18 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.