Sigiriya in Summer

In summer (June, July and August), Sigiriya sees average daytime highs around 33°C and overnight lows near 25°C, with 66 mm of rain over about 14 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 33°C. The sky is clear or mostly clear about 8% of the time across summer, and the air most often feels oppressive.

Summer is Sigiriya's 2nd-best season to visit on our travel score. For the whole year in context, see Sigiriya's year-round climate.

Avg daytime high
33°C
2nd-warmest season
Avg overnight low
25°C
Rainfall
66 mm
14 wet days
Avg wind
21 km/h
Travel score
3.7
2nd-best season
Months
Jun · Jul · Aug

Temperature in Sigiriya in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 33°C.

A typical summer day in Sigiriya reaches about 33°C and drops to 25°C overnight. The warmest of the three months is August, the coolest August.

20°25°30°35°JunJulAug

How summer really feels in Sigiriya

Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
92
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Sigiriya 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.

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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Sigiriya gets around 66 mm of rain over 14 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 21 km/h across summer.

0510152025JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 24 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Sigiriya

In seasonPeak

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

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 summer a good time to visit Sigiriya?

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.

3.7
Sightseeing
2nd-best month of the year
6.5
Beach & pool
1st-best month of the year

summer 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 Summer

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

In summer, Sigiriya sees daytime highs around 33°C and nights near 25°C. Pack light clothes. Worth having: sun protection and a windbreaker. About 14 days see rain.

light clothessun protectiona windbreaker

UV index in Sigiriya in Summer

LowModerateHighVery highExtreme

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 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 Summer

GoodModeratePoorUnhealthyVery unhealthy

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