Polonnaruwa weather in June

In June, Polonnaruwa sees average daytime highs of 35°C and overnight lows near 27°C, with 18 mm of rain across 4.1 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 10% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of June to 12 h 30 min by month's end. Set against the rest of the year, June is Polonnaruwa's 10th-clearest and 1st-windiest month. For the whole year in context, see Polonnaruwa's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
18 mm
4.1 wet days
Daylight
12 h 30 min
5:52 AM – 6:20 PM
Cloud cover
79%
10th clearest
Wind
21 km/h
1st windiest
Solar energy
5.72 kWh/m²
Travel score
2.8
out of 10

Polonnaruwa is town in North Central Province, Sri Lanka.

Founded
1070

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical June day in Polonnaruwa reaches about 35°C in the afternoon and slips back to 27°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, June runs on par with May and on par with July.

25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13527
23527
33527
43527
53527
63527
73527
83527
93527
103527
113527
123527
133527
143527
153527
163527
173527
183527
193527
203527
213527
223527
233527
243526
253526
263526
273526
283526
293526
303526

How June really feels in Polonnaruwa

Once humidity and wind are folded in, June averages 30 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
30
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Polonnaruwa weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°11014.311.64.8
Feb30° / 22°7310.711.74.7
Mar33° / 23°509.111.93.8
Apr34° / 25°9214.212.22.5
May35° / 26°679.312.42.5
Jun35° / 27°184.112.52.8
Jul35° / 26°265.412.42.8
Aug35° / 26°325.612.32.7
Sep35° / 26°538.2122.6
Oct33° / 25°18117.311.82.7
Nov30° / 23°23322.611.63.2
Dec29° / 23°20719.711.54.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32872
42674
52674
62476
72377
82278
92179
102080
112080
121981
131981
141981
151981
161981
171981
181981
192080
202179
212179
222377
232377
242377
252278
262377
272377
282377
292476
302377

Chance of precipitation in June

Any precipitation

Polonnaruwa gets around 18 mm of rain over 4.1 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
119
219
319
418
518
618
717
816
916
1015
1114
1214
1313
1412
1512
1611
1711
1810
1910
2010
2110
2210
2310
2411
2511
2611
2712
2812
2912
3013

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
13934
23934
33943
43952
53952
64951
74951
84951
94951
105950
115950
125950
135950
146940
156940
166940
177930
187930
197930
207930
218920
228920
238920
248920
258920
268920
278920
288920
298920
309910

Wind in June

Winds average 21 km/h in June, the windiest month of the year.

Across June, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720breezy
820breezy
920breezy
1020breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 24 min at the start of June to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:51 AM to 5:55 AM, and sunset from 6:16 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:16
212.45:516:17
312.45:516:17
412.45:516:17
512.45:516:17
612.45:516:18
712.45:516:18
812.45:516:18
912.45:516:18
1012.55:526:19
1112.55:526:19
1212.55:526:19
1312.55:526:19
1412.55:526:20
1512.55:526:20
1612.55:526:20
1712.55:536:20
1812.55:536:20
1912.55:536:21
2012.55:536:21
2112.55:536:21
2212.55:546:21
2312.55:546:22
2412.55:546:22
2512.55:546:22
2612.55:546:22
2712.55:556:22
2812.55:556:23
2912.55:556:23
3012.55:556:23

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.72 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 6.3 kWh/m² in March across the year — June's 5.72 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
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
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in June

Hazard calendar for Polonnaruwa

In seasonPeak

In June, Polonnaruwa sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

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

Polonnaruwa's monsoon runs October–January, when most of the year's rain falls.

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

Is June a good time to visit Polonnaruwa?

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

2.8
Sightseeing
6th-best month of the year
5.9
Beach & pool
4th-best month of the year

June is a weaker month for outdoor sightseeing in Polonnaruwa.

What to pack for Polonnaruwa in June

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

In June, Polonnaruwa sees daytime highs around 35°C and nights near 27°C. Pack light clothes. Worth having: sun protection and a windbreaker. About 4 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Polonnaruwa in June

The nearest coast averages about 30°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 63 km away) is warmest in May at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Polonnaruwa in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Polonnaruwa peaks around April 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Polonnaruwa in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Polonnaruwa 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 Polonnaruwa?

Polonnaruwa sits at 7.9°N, 81.0°E, 0 m above sea level, in Sri Lanka. The nearest listed city is Sigiriya, 28 km away.

SigiriyaDambullaVakaraiMataleEravur TownTrincomaleeAnuradhapuraBatticaloa

Topography around Polonnaruwa

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

Within 3 km, the terrain around Polonnaruwa has only modest variations in elevation — a maximum elevation change of 38 m around an average of 57 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,871 m.

The land around Polonnaruwa is covered by trees (48%) and cropland (20%) within 3 km, trees (58%) and cropland (29%) within 16 km, and trees (60%) within 80 km.

3 km
38 m
16 km
297 m
80 km
1,871 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Sigiriya 28 km · Dambulla 40 km · Vakarai 52 km · Matale 67 km · Eravur Town 69 km · Trincomalee 75 km · Anuradhapura 77 km · Batticaloa 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
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 Polonnaruwa (7.9397°, 81.0027°, 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. 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).