Valvedditturai weather in August

In August, Valvedditturai sees average daytime highs of 31°C and overnight lows near 27°C, with 32 mm of rain across 6.8 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 11% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Valvedditturai's 10th-clearest and 4th-windiest month. For the whole year in context, see Valvedditturai's year-round climate.

Daytime high
31°
5th warmest
Overnight low
27°
8th coldest
Rainfall
32 mm
6.8 wet days
Daylight
12 h 18 min
6:04 AM – 6:23 PM
Cloud cover
77%
10th clearest
Wind
23 km/h
4th windiest
Solar energy
5.89 kWh/m²
Travel score
4.6
out of 10

Valvedditturai is town in Sri Lanka.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Valvedditturai reaches about 31°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, August runs on par with July and on par with September.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13127
23127
33127
43127
53127
63127
73127
83127
93127
103127
113127
123127
133127
143127
153127
163127
173127
183127
193127
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How August really feels in Valvedditturai

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Valvedditturai weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°667.511.56.8
Feb28° / 25°274.711.77.0
Mar30° / 26°213.111.96.2
Apr31° / 27°346.312.24.8
May32° / 28°40512.44.5
Jun31° / 28°173.112.64.7
Jul31° / 28°215.412.54.5
Aug31° / 27°326.812.34.6
Sep31° / 27°428.512.14.6
Oct29° / 26°17218.711.84.1
Nov28° / 26°28122.211.64.2
Dec27° / 25°1911711.45.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21882
31882
41981
51981
61981
72179
82080
92080
102080
112080
122080
132080
142179
152179
162179
172179
182278
192278
202377
212377
222674
232674
242773
252872
262971
272971
282971
292971
303070
313169

Chance of precipitation in August

Any precipitation

Valvedditturai gets around 32 mm of rain over 6.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
318
418
518
619
720
820
921
1022
1122
1223
1323
1424
1524
1624
1724
1824
1924
2024
2124
2223
2323
2423
2522
2622
2721
2821
2921
3021
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12377
22377
32476
42476
52476
62476
72476
82476
92476
102377
112377
122377
132377
142377
152377
162377
172476
182476
192476
202575
212575
222674
232674
242773
252773
262872
272872
282971
292971
302971
313070

Wind in August

Winds average 23 km/h in August.

Across August, daily wind ranges from about 22 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3123breezy

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 12 minutes over August. Sunrise moves from 6:02 AM to 6:03 AM, and sunset from 6:28 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:026:28
212.46:026:28
312.46:036:28
412.46:036:28
512.46:036:27
612.46:036:27
712.46:036:27
812.46:036:26
912.46:036:26
1012.46:036:26
1112.46:036:25
1212.46:036:25
1312.36:046:24
1412.36:046:24
1512.36:046:24
1612.36:046:23
1712.36:046:23
1812.36:046:22
1912.36:046:22
2012.36:046:21
2112.36:046:21
2212.36:046:20
2312.36:046:20
2412.36:046:19
2512.36:046:19
2612.26:046:18
2712.26:046:18
2812.26:046:17
2912.26:046:17
3012.26:036:16
3112.26:036:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.89 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.56 kWh/m² in March across the year — August's 5.89 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Valvedditturai

In seasonPeak

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

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

Valvedditturai's monsoon runs October–December, when most of the year's rain falls.

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

Is August a good time to visit Valvedditturai?

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

4.6
Sightseeing
7th-best month of the year
6.8
Beach & pool
8th-best month of the year

August is a reasonable time to visit Valvedditturai for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Valvedditturai in August

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

In August, Valvedditturai sees daytime highs around 31°C and nights near 27°C. Pack light clothes. Worth having: sun protection and a windbreaker. About 7 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Valvedditturai in August

The nearest coast averages about 29°C in August — 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 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
Feb27Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Valvedditturai in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valvedditturai peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Jan 11UV 8
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar12Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec8Very high

Air quality in Valvedditturai in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Valvedditturai is worst in May — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1623 µg/m³Sep 1817 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar20Moderate
Apr20Moderate
May24Moderate
Jun19Moderate
Jul18Moderate
Aug19Moderate
Sep17Moderate
Oct18Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Valvedditturai?

Valvedditturai sits at 9.8°N, 80.2°E, 10 m above sea level, in Sri Lanka. The nearest listed city is Point Pedro, 7.0 km away.

JaffnaMullaittivuMannarVavuniyaAnuradhapuraTrincomaleePuttalam

Topography around Valvedditturai

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

Within 3 km, the terrain around Valvedditturai has only modest variations in elevation — a maximum elevation change of 22 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, only modest variations in elevation — a maximum elevation change of 99 m.

The land around Valvedditturai is covered by trees (40%) and water (30%) within 3 km, water (56%) within 16 km, and water (76%) within 80 km.

3 km
22 m
16 km
25 m
80 km
99 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Point Pedro 7.0 km · Jaffna 24 km · Mullaittivu 94 km · Mannar 97 km · Vavuniya 124 km · Anuradhapura 169 km · Trincomalee 180 km · Puttalam 201 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 Valvedditturai (9.8167°, 80.1667°, elevation 10 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).