Unawatuna weather in July

In July, Unawatuna sees average daytime highs of 28°C and overnight lows near 26°C, with 206 mm of rain across 27.3 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 6th-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 July, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of July to 12 h 18 min by month's end. Set against the rest of the year, July is Unawatuna's 11th-clearest and 1st-windiest month. For the whole year in context, see Unawatuna's year-round climate.

Daytime high
28°
9th warmest
Overnight low
26°
8th coldest
Rainfall
206 mm
27.3 wet days
Daylight
12 h 18 min
6:05 AM – 6:24 PM
Cloud cover
79%
11th clearest
Wind
23 km/h
1st windiest
Solar energy
5.38 kWh/m²
Travel score
3.8
out of 10

Unawatuna is human settlement.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical July 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 28°C. Set against its neighbours, July runs on par with June and on par with August.

20°23°25°28°30°151015202531
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
242726
252726
262726
272726
282726
292726
302726
312726

How July really feels in Unawatuna

Once humidity and wind are folded in, July averages 8 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
8
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Unawatuna weather by month

How July compares with the rest of the year at a glance. July is the 9th-warmest and 6th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32179
42179
52179
62080
71981
81981
91882
101882
111783
121783
131783
141684
151684
161684
171783
181783
191783
201882
211882
221981
232080
242179
252179
262278
272278
282278
292278
302278
312278

Chance of precipitation in July

Any precipitation

Unawatuna gets around 206 mm of rain over 27.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
488
588
688
788
887
987
1087
1187
1287
1387
1487
1588
1688
1788
1888
1989
2089
2189
2289
2389
2489
2589
2689
2789
2888
2988
3088
3188

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12476
22674
32773
42872
53070
63169
73169
83268
93367
103466
113565
123565
133664
143763
153862
163961
174060
184060
194159
204258
214357
224456
234456
244555
254555
264654
274654
284654
294654
304654
314555

Wind in July

Winds average 23 km/h in July, the windiest month of the year.

Across July, 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.

0510152025151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3122breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 18 min at the start of July 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 July. Sunrise moves from 6:02 AM to 6:07 AM, and sunset from 6:23 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:23
212.36:026:23
312.36:026:23
412.36:036:23
512.36:036:23
612.36:036:23
712.36:036:24
812.36:036:24
912.36:046:24
1012.36:046:24
1112.36:046:24
1212.36:046:24
1312.36:056:24
1412.36:056:24
1512.36:056:24
1612.36:056:24
1712.36:056:24
1812.36:056:24
1912.36:066:24
2012.36:066:24
2112.36:066:24
2212.36:066:24
2312.36:066:24
2412.36:066:24
2512.36:066:24
2612.36:076:24
2712.36:076:24
2812.36:076:24
2912.36:076:23
3012.36:076:23
3112.36:076:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.38 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 — July's 5.38 kWh/m² falls in the middle.

0246151015202531
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
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Unawatuna

In seasonPeak

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

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 July a good time to visit Unawatuna?

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

3.8
Sightseeing
7th-best month of the year
4.0
Beach & pool
11th-best month of the year

July is a weaker month for outdoor sightseeing in Unawatuna.

What to pack for Unawatuna in July

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

In July, 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 July

The nearest coast averages about 28°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 July

GoodModeratePoorUnhealthyVery unhealthy

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