Ambalantota in Summer
In summer (June, July and August), Ambalantota sees average daytime highs around 28°C and overnight lows near 26°C, with 158 mm of rain over about 41 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 9% of the time across summer, and the air most often feels oppressive.
Summer is Ambalantota's 2nd-best season to visit on our travel score. Ambalantota 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 Ambalantota's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 158 mm
- 41 wet days
- Avg wind
- 28 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Ambalantota in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Ambalantota reaches about 28°C and drops to 26°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Ambalantota
Once humidity and wind are folded in, summer brings about 35 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.
Ambalantota 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 | 28° / 25° | 56 | 8.6 | 11.7 | 6.6 |
| Feb | 28° / 25° | 42 | 7.9 | 11.8 | 6.5 |
| Mar | 28° / 26° | 58 | 11.3 | 12 | 5.8 |
| Apr | 29° / 27° | 110 | 18.8 | 12.1 | 4.5 |
| May | 29° / 26° | 101 | 18.6 | 12.3 | 4.5 |
| Jun | 28° / 26° | 60 | 14.7 | 12.3 | 5.0 |
| Jul | 28° / 26° | 45 | 13.1 | 12.3 | 5.6 |
| Aug | 28° / 26° | 52 | 13 | 12.2 | 5.7 |
| Sep | 28° / 26° | 87 | 16.8 | 12 | 5.2 |
| Oct | 28° / 26° | 141 | 20.2 | 11.9 | 4.8 |
| Nov | 28° / 25° | 231 | 23.2 | 11.7 | 4.3 |
| Dec | 27° / 25° | 153 | 16.9 | 11.7 | 5.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 9% of the time across summer.
Chance of precipitation in Summer
Ambalantota gets around 158 mm of rain over 41 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 28 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early June to 12 h 06 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 5.6 kWh/m².
Hazard calendar for Ambalantota
In summer, Ambalantota overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Ambalantota sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Ambalantota's rainy season runs October–December, when most of the year's rain falls.
Is summer a good time to visit Ambalantota?
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 Ambalantota for sightseeing.
What to pack for Ambalantota in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ambalantota sees daytime highs around 28°C and nights near 26°C. Pack light clothes, rain gear and a windbreaker. Worth having: sun protection. About 41 days see rain.
Sea temperature near Ambalantota 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 April at about 29°C and coldest in August 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 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Warm |
| Jul | 28 | Warm |
| Aug | 27 | Warm |
| Sep | 28 | Warm |
| Oct | 28 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Ambalantota in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ambalantota peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 10 (extreme).
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) | 11 | 13 | 13 | 14 | 13 | 11 | 11 | 13 | 13 | 13 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Ambalantota 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 Ambalantota is worst in November — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 21 | 19 | 20 | 20 | 20 | 17 | 17 | 17 | 16 | 18 | 21 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 19 | Moderate |
| Mar | 20 | Moderate |
| Apr | 20 | Moderate |
| May | 20 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 18 | Moderate |
| Nov | 21 | Moderate |
| Dec | 20 | Moderate |
Where is Ambalantota?
Ambalantota sits at 6.1°N, 81.0°E, 7 m above sea level, in Sri Lanka. The nearest listed city is Hambantota, 11 km away.
Topography around Ambalantota
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ambalantota.
Within 3 km, the terrain around Ambalantota has only modest variations in elevation — a maximum elevation change of 23 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,322 m.
The land around Ambalantota is covered by cropland (38%), trees (35%) and water (21%) within 3 km, water (43%) and trees (32%) within 16 km, and trees (57%) and water (33%) within 80 km.
Sri Lanka travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 27% of US
- price level, 2025
- GDP per capita
- $5,002
- 2025
- Happiness
- 4.0 / 10
- World Happiness, 2025
- Safe drinking water
- 47%
- of population, 2024
- Homicide rate
- 3.3
- per 100k, 2019
- Road deaths
- 19.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 486
- 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 Ambalantota (6.1196°, 81.0214°, elevation 7 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.