Weligama weather in August

In August, Weligama sees average daytime highs of 28°C and overnight lows near 25°C, with 159 mm of rain across 27 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 9th-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 4% 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 Weligama's 10th-clearest and 3rd-windiest month. For the whole year in context, see Weligama's year-round climate.

Daytime high
28°
10th warmest
Overnight low
25°
8th coldest
Rainfall
159 mm
27 wet days
Daylight
12 h 12 min
6:06 AM – 6:18 PM
Cloud cover
80%
10th clearest
Wind
19 km/h
3rd windiest
Solar energy
5.62 kWh/m²
Travel score
3.4
out of 10

Weligama is town on south coast of 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 Weligama reaches about 28°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How August really feels in Weligama

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Weligama weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°9714.311.74.7
Feb30° / 24°7812.511.84.5
Mar31° / 25°9918123.9
Apr30° / 25°18225.512.13.1
May29° / 26°22428.212.33.0
Jun29° / 25°18726.912.33.2
Jul28° / 25°15926.812.33.4
Aug28° / 25°1592712.23.4
Sep28° / 25°19626.2123.4
Oct29° / 24°25026.611.93.4
Nov29° / 24°29625.411.73.4
Dec29° / 24°19921.411.74.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51783
61783
71783
81882
91882
101882
111882
121783
131783
141783
151783
161783
171783
181684
191585
201684
211684
221684
231684
241684
251783
261783
271783
281783
291783
301882
311882

Chance of precipitation in August

Any precipitation

Weligama gets around 159 mm of rain over 27 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 87% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
588
688
788
888
988
1088
1188
1288
1388
1487
1587
1687
1787
1887
1987
2086
2186
2286
2386
2486
2586
2686
2786
2886
2986
3086
3186

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14951
24852
34753
44753
54753
64654
74654
84654
94753
104753
114753
124852
134951
145050
155050
165149
175248
185347
195446
205446
215545
225545
235545
245644
255644
265644
275644
285644
295644
305644
315644

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

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 6:06 AM to 6:05 AM, and sunset from 6:22 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:066:22
212.36:066:22
312.36:076:22
412.36:076:22
512.26:076:21
612.26:076:21
712.26:076:21
812.26:076:21
912.26:076:20
1012.26:076:20
1112.26:076:20
1212.26:076:20
1312.26:076:19
1412.26:076:19
1512.26:076:19
1612.26:066:18
1712.26:066:18
1812.26:066:18
1912.26:066:17
2012.26:066:17
2112.26:066:16
2212.26:066:16
2312.26:066:16
2412.26:066:15
2512.26:066:15
2612.16:056:14
2712.16:056:14
2812.16:056:13
2912.16:056:13
3012.16:056:12
3112.16:056:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 6.48 kWh/m² in March across the year — August's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Hazard calendar for Weligama

In seasonPeak

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

Weligama sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is August a good time to visit Weligama?

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

3.4
Sightseeing
5th-best month of the year
4.1
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Weligama.

What to pack for Weligama in August

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

In August, Weligama sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Weligama in August

The nearest coast averages about 28°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in April at about 30°C and coldest in July near 28°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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug28Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Weligama 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 Weligama peaks around April 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 17UV 14Jan 11UV 9
UV index (midday)Level
Jan9Very high
Feb14Extreme
Mar12Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Weligama 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 Weligama is worst in January — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 16 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1834 µg/m³Sep 1316 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb31Moderate
Mar25Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct18Moderate
Nov25Moderate
Dec30Moderate
Location & terrain

Where is Weligama?

Weligama sits at 6.0°N, 80.4°E, 8 m above sea level, in Sri Lanka. The nearest listed city is Mirissa, 4.0 km away.

GalleBeliattaAmbalangodaAmbalantota

Topography around Weligama

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Weligama.

Within 3 km, the terrain around Weligama has only modest variations in elevation — a maximum elevation change of 78 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 291 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,507 m.

The land around Weligama is covered by trees (56%) and water (31%) within 3 km, trees (47%) and water (44%) within 16 km, and trees (52%) and water (44%) within 80 km.

3 km
78 m
16 km
291 m
80 km
1,507 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Mirissa 4.0 km · Matara 12 km · Devinuwara 18 km · Unawatuna 20 km · Galle 26 km · Beliatta 34 km · Ambalangoda 51 km · Ambalantota 67 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 Weligama (5.975°, 80.4297°, elevation 8 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).