Unawatuna weather in June

In June, Unawatuna sees average daytime highs of 28°C and overnight lows near 26°C, with 244 mm of rain across 27.4 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 5th-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 7% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of June to 12 h 18 min by month's end. Set against the rest of the year, June is Unawatuna's 12th-clearest and 2nd-windiest month. For the whole year in context, see Unawatuna's year-round climate.

Daytime high
28°
5th warmest
Overnight low
26°
10th coldest
Rainfall
244 mm
27.4 wet days
Daylight
12 h 18 min
5:59 AM – 6:20 PM
Cloud cover
79%
12th clearest
Wind
22 km/h
2nd windiest
Solar energy
5.27 kWh/m²
Travel score
3.5
out of 10

Unawatuna is human settlement.

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 28°C through the month.

A typical June day in Unawatuna 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 29°C. Set against its neighbours, June runs on par with May and on par with July.

24°26°28°30°32°151015202530
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

How June really feels in Unawatuna

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
heat index over the day's high
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.

Unawatuna weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°6312.111.76.0
Feb28° / 25°5410.711.85.6
Mar29° / 26°6714.2125.1
Apr29° / 26°15323.112.13.8
May29° / 26°27528.312.33.3
Jun28° / 26°24427.412.33.5
Jul28° / 26°20627.312.33.8
Aug27° / 26°20527.312.23.8
Sep28° / 26°24626.5123.8
Oct28° / 26°26126.411.93.9
Nov28° / 25°25323.111.74.2
Dec28° / 25°14718.611.75.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of June, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51783
61684
71684
81684
91684
101684
111882
121882
131882
141981
152080
162179
172278
182278
192278
202278
212377
222377
232377
242377
252377
262377
272377
282377
292278
302278

Chance of precipitation in June

Any precipitation

Unawatuna gets around 244 mm of rain over 27.4 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
294
394
494
594
693
793
893
993
1092
1192
1292
1391
1491
1591
1691
1791
1891
1991
2091
2190
2290
2390
2490
2590
2690
2790
2890
2990
3090

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the miserable band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1595
2694
3694
4793
5892
6892
7991
8991
91090
101090
111090
121189
131189
141189
151189
161189
171189
181189
191288
201288
211387
221387
231486
241585
251684
261783
271981
282080
292179
302377

Wind in June

Winds average 22 km/h in June.

Across June, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy

Sunrise & sunset in June

DaylightNight

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

Days grow by about 0 minutes over June. Sunrise moves from 5:57 AM to 6:02 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)
112.35:576:16
212.35:576:16
312.35:576:17
412.35:576:17
512.35:576:17
612.35:576:17
712.35:576:18
812.35:586:18
912.35:586:18
1012.35:586:18
1112.35:586:18
1212.35:586:19
1312.35:586:19
1412.35:586:19
1512.35:596:19
1612.35:596:20
1712.35:596:20
1812.35:596:20
1912.35:596:20
2012.36:006:21
2112.36:006:21
2212.36:006:21
2312.36:006:21
2412.36:006:21
2512.36:016:22
2612.36:016:22
2712.36:016:22
2812.36:016:22
2912.36:026:22
3012.36:026:23

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.43 kWh/m² in March across the year — June's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in June

Hazard calendar for Unawatuna

In seasonPeak

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

Unawatuna 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 June a good time to visit Unawatuna?

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

3.5
Sightseeing
11th-best month of the year
3.9
Beach & pool
12th-best month of the year

June is a weaker month for outdoor sightseeing in Unawatuna.

What to pack for Unawatuna in June

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

In June, Unawatuna sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 27 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Unawatuna in June

The nearest coast averages about 28°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 18 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 Unawatuna 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 Unawatuna 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 Unawatuna 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 Unawatuna 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 Unawatuna?

Unawatuna sits at 6.0°N, 80.3°E, 0 m above sea level, in Sri Lanka. The nearest listed city is Galle, 5.0 km away.

MirissaAmbalangodaMataraDevinuwaraBentotaBeliatta

Topography around Unawatuna

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

Within 3 km, the terrain around Unawatuna has only modest variations in elevation — a maximum elevation change of 75 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,357 m.

The land around Unawatuna is covered by trees (53%) and water (34%) within 3 km, water (51%) and trees (45%) within 16 km, and trees (51%) and water (46%) within 80 km.

3 km
75 m
16 km
226 m
80 km
1,357 m
treesgrasslandcroplandartificial surfaceswatermangroves
June weather nearby: Galle 5.0 km · Weligama 20 km · Mirissa 24 km · Ambalangoda 32 km · Matara 33 km · Devinuwara 39 km · Bentota 53 km · Beliatta 53 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 Unawatuna (6.0212°, 80.2503°, 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).