Ambalantota weather in August

In August, Ambalantota sees average daytime highs of 28°C and overnight lows near 26°C, with 52 mm of rain across 13 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Ambalantota's 10th-clearest and 3rd-windiest month. For the whole year in context, see Ambalantota's year-round climate.

Daytime high
28°
7th warmest
Overnight low
26°
7th coldest
Rainfall
52 mm
13 wet days
Daylight
12 h 12 min
6:04 AM – 6:16 PM
Cloud cover
76%
10th clearest
Wind
28 km/h
3rd windiest
Solar energy
5.71 kWh/m²
Travel score
5.7
out of 10

Ambalantota is town in Southern Province, Sri Lanka.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Ambalantota reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How August really feels in Ambalantota

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ambalantota weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°568.611.76.6
Feb28° / 25°427.911.86.5
Mar28° / 26°5811.3125.8
Apr29° / 27°11018.812.14.5
May29° / 26°10118.612.34.5
Jun28° / 26°6014.712.35.0
Jul28° / 26°4513.112.35.6
Aug28° / 26°521312.25.7
Sep28° / 26°8716.8125.2
Oct28° / 26°14120.211.94.8
Nov28° / 25°23123.211.74.3
Dec27° / 25°15316.911.75.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22476
32476
42476
52476
62476
72476
82575
92575
102476
112476
122575
132575
142377
152377
162476
172476
182476
192575
202575
212575
222575
232575
242674
252674
262575
272674
282674
292674
302674
312674

Chance of precipitation in August

Any precipitation

Ambalantota gets around 52 mm of rain over 13 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1139
1239
1340
1440
1541
1642
1743
1843
1944
2045
2145
2246
2346
2447
2547
2647
2748
2848
2948
3048
3148

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16931
26832
36832
46832
56733
66733
76733
86733
96832
106832
116931
127030
137129
147228
157327
167426
177525
187624
197723
207723
217822
227822
237822
247921
257822
267822
277822
287822
297723
307723
317723

Wind in August

Winds average 28 km/h in August.

Across August, daily wind ranges from about 27 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
129breezy
229breezy
329breezy
428breezy
528breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy
3127breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 18 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 6:04 AM to 6:02 AM, and sunset from 6:20 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:046:20
212.36:046:20
312.36:046:20
412.36:046:19
512.36:046:19
612.26:046:19
712.26:046:19
812.26:046:19
912.26:046:18
1012.26:046:18
1112.26:046:18
1212.26:046:17
1312.26:046:17
1412.26:046:17
1512.26:046:16
1612.26:046:16
1712.26:046:16
1812.26:046:15
1912.26:046:15
2012.26:046:15
2112.26:046:14
2212.26:036:14
2312.26:036:13
2412.26:036:13
2512.26:036:12
2612.26:036:12
2712.16:036:12
2812.16:036:11
2912.16:036:11
3012.16:026:10
3112.16:026:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.71 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.46 kWh/m² in March across the year — August's 5.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Ambalantota

In seasonPeak

None of Ambalantota's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Ambalantota?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.7
Sightseeing
4th-best month of the year
6.0
Beach & pool
5th-best month of the year

August is a reasonable time to visit Ambalantota for sightseeing.

What to pack for Ambalantota in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Ambalantota sees daytime highs around 28°C and nights near 26°C. Pack light clothes and a windbreaker. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesa windbreakerrain gearsun protection

Sea temperature near Ambalantota in August

The nearest coast averages about 27°C in August — 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.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Warm

UV index in Ambalantota in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 19UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Ambalantota in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2121 µg/m³Sep 1416 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb19Moderate
Mar20Moderate
Apr20Moderate
May20Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct18Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

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.

BeliattaKataragamaDevinuwaraMataraMirissaWeligamaElla

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.

3 km
23 m
16 km
108 m
80 km
2,322 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Hambantota 11 km · Beliatta 33 km · Kataragama 48 km · Devinuwara 52 km · Matara 57 km · Mirissa 65 km · Weligama 67 km · Ella 84 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
Buddhist 70%Hindu 13%Muslim 10%Roman Catholic 6%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).