Sigiriya weather in August

In August, Sigiriya sees average daytime highs of 33°C and overnight lows near 25°C, with 27 mm of rain across 5.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 8% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Sigiriya's 9th-clearest and 3rd-windiest month. For the whole year in context, see Sigiriya's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
25°
9th coldest
Rainfall
27 mm
5.1 wet days
Daylight
12 h 18 min
6:03 AM – 6:19 PM
Cloud cover
78%
9th clearest
Wind
20 km/h
3rd windiest
Solar energy
5.73 kWh/m²
Travel score
3.6
out of 10

Sigiriya is ancient rock fortress near Dambulla, 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 33°C through the month.

A typical August day in Sigiriya reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How August really feels in Sigiriya

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.

Sigiriya weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°9814.211.65.0
Feb30° / 22°7110.611.74.8
Mar33° / 23°478.411.93.9
Apr34° / 24°9414.312.22.8
May33° / 25°608.112.43.3
Jun33° / 25°194.612.53.7
Jul33° / 25°214.512.43.7
Aug33° / 25°275.112.33.6
Sep33° / 25°438.5123.4
Oct32° / 24°16617.711.83.2
Nov30° / 23°22222.511.63.4
Dec29° / 22°18620.411.54.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
31981
41981
52080
62080
72080
82080
91981
101981
112080
122080
132080
142080
152080
162080
172080
182080
192179
202179
212278
222377
232377
242377
252575
262575
272575
282575
292575
302575
312575

Chance of precipitation in August

Any precipitation

Sigiriya gets around 27 mm of rain over 5.1 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 17% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
512
612
713
813
914
1015
1116
1217
1318
1418
1519
1620
1720
1820
1920
2020
2120
2220
2320
2420
2519
2619
2719
2819
2919
3019
3120

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1694
2694
3694
4793
5793
6793
7892
8892
9892
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
221090
231090
241090
251189
261189
271288
281387
291387
301486
311585

Wind in August

Winds average 20 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 min at the start of August to 12 h 12 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 6:03 AM to 6:02 AM, and sunset from 6:24 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:036:24
212.36:036:23
312.36:036:23
412.36:036:23
512.36:036:23
612.36:036:22
712.36:036:22
812.36:036:22
912.36:036:21
1012.36:036:21
1112.36:036:21
1212.36:036:20
1312.36:036:20
1412.36:036:20
1512.36:036:19
1612.36:036:19
1712.36:036:19
1812.36:036:18
1912.26:036:18
2012.26:036:17
2112.26:036:17
2212.26:036:16
2312.26:036:16
2412.26:036:15
2512.26:036:15
2612.26:036:14
2712.26:036:14
2812.26:036:13
2912.26:026:13
3012.26:026:12
3112.26:026:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.73 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 6.21 kWh/m² in March across the year — August's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
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 Sigiriya

In seasonPeak

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

Sigiriya's monsoon runs October–December, when most of the year's rain falls.

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

Is August a good time to visit Sigiriya?

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

3.6
Sightseeing
7th-best month of the year
6.5
Beach & pool
5th-best month of the year

August is a weaker month for outdoor sightseeing in Sigiriya. The water and warmth also suit a beach or pool day.

What to pack for Sigiriya in August

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

In August, Sigiriya sees daytime highs around 33°C and nights near 25°C. Pack light clothes. Worth having: sun protection and a windbreaker. About 5 days see rain.

light clothessun protectiona windbreaker

UV index in Sigiriya 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 Sigiriya peaks around April 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 20UV 14Dec 20UV 10
UV index (midday)Level
Jan10Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Sigiriya 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 Sigiriya is worst in May — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1028 µg/m³Jul 2120 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb21Moderate
Mar24Moderate
Apr27Moderate
May28Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep21Moderate
Oct25Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is Sigiriya?

Sigiriya sits at 7.9°N, 80.8°E, 0 m above sea level, in Sri Lanka. The nearest listed city is Dambulla, 15 km away.

PolonnaruwaAnuradhapuraMataleKurunegalaKandyVakaraiTrincomalee

Topography around Sigiriya

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

Within 3 km, the terrain around Sigiriya has only modest variations in elevation — a maximum elevation change of 141 m around an average of 201 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,870 m.

The land around Sigiriya is covered by trees (72%) within 3 km, trees (76%) within 16 km, and trees (70%) within 80 km.

3 km
141 m
16 km
577 m
80 km
1,870 m
treesgrasslandcroplandwater
August weather nearby: Dambulla 15 km · Polonnaruwa 28 km · Anuradhapura 55 km · Matale 55 km · Kurunegala 67 km · Kandy 74 km · Vakarai 78 km · Trincomalee 87 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 Sigiriya (7.9495°, 80.7504°, elevation 0 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. 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).