Devinuwara weather in June

In June, Devinuwara sees average daytime highs of 29°C and overnight lows near 25°C, with 187 mm of rain across 26.9 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 4% 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 Devinuwara's 11th-clearest and 2nd-windiest month. For the whole year in context, see Devinuwara's year-round climate.

Daytime high
29°
6th warmest
Overnight low
25°
11th coldest
Rainfall
187 mm
26.9 wet days
Daylight
12 h 18 min
5:58 AM – 6:18 PM
Cloud cover
82%
11th clearest
Wind
20 km/h
2nd windiest
Solar energy
5.34 kWh/m²
Travel score
3.2
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical June day in Devinuwara reaches about 29°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 28°C and 30°C. Set against its neighbours, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How June really feels in Devinuwara

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.

Devinuwara weather by month

How June compares with the rest of the year at a glance. June is the 6th-warmest and 6th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71387
81387
91486
101486
111486
121585
131585
141684
151783
161783
171783
181882
191882
201882
211981
221981
231981
241981
251981
261981
271981
281981
291981
301783

Chance of precipitation in June

Any precipitation

Devinuwara gets around 187 mm of rain over 26.9 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 90% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
294
393
493
593
692
792
891
991
1091
1190
1290
1390
1489
1589
1689
1789
1889
1989
2089
2189
2288
2388
2488
2588
2688
2787
2887
2987
3087

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
2991
31090
41189
51189
61288
71288
81387
91387
101387
111486
121486
131486
141585
151585
161585
171684
181684
191684
201783
211783
221882
231981
242080
252179
262278
272377
282476
292575
302674

Wind in June

Winds average 20 km/h in June.

Across June, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze

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 5:56 AM to 6:01 AM, and sunset from 6:15 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:15
212.35:566:15
312.35:566:15
412.35:566:15
512.35:566:16
612.35:566:16
712.35:566:16
812.35:566:16
912.35:566:17
1012.35:576:17
1112.35:576:17
1212.35:576:17
1312.35:576:17
1412.35:576:18
1512.35:576:18
1612.35:586:18
1712.35:586:18
1812.35:586:19
1912.35:586:19
2012.35:586:19
2112.35:596:19
2212.35:596:19
2312.35:596:20
2412.35:596:20
2512.35:596:20
2612.36:006:20
2712.36:006:20
2812.36:006:21
2912.36:006:21
3012.36:016:21

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.34 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 — June's 5.34 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in June

Hazard calendar for Devinuwara

In seasonPeak

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

Devinuwara 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 Devinuwara?

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

3.2
Sightseeing
10th-best month of the year
4.0
Beach & pool
11th-best month of the year

June is a weaker month for outdoor sightseeing in Devinuwara.

What to pack for Devinuwara in June

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

In June, Devinuwara sees daytime highs around 29°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 Devinuwara 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 offshore 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 Devinuwara 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 Devinuwara 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 Devinuwara 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 Devinuwara 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 Devinuwara?

Devinuwara sits at 5.9°N, 80.6°E, 16 m above sea level, in Sri Lanka. The nearest listed city is Matara, 6.0 km away.

UnawatunaGalleAmbalantotaHambantota

Topography around Devinuwara

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

Within 3 km, the terrain around Devinuwara has only modest variations in elevation — a maximum elevation change of 58 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 225 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,507 m.

The land around Devinuwara is covered by water (55%) and trees (36%) within 3 km, water (58%) and trees (35%) within 16 km, and trees (52%) and water (42%) within 80 km.

3 km
58 m
16 km
225 m
80 km
1,507 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Matara 6.0 km · Mirissa 15 km · Weligama 18 km · Beliatta 21 km · Unawatuna 39 km · Galle 44 km · Ambalantota 52 km · Hambantota 62 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 Devinuwara (5.9283°, 80.5888°, elevation 16 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).