Batticaloa weather in October

In October, Batticaloa sees average daytime highs of 29°C and overnight lows near 26°C, with 152 mm of rain across 18.8 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 4th-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 17% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 42 min by month's end. Set against the rest of the year, October is Batticaloa's 6th-clearest and 11th-windiest month. For the whole year in context, see Batticaloa's year-round climate.

Daytime high
29°
7th warmest
Overnight low
26°
6th coldest
Rainfall
152 mm
18.8 wet days
Daylight
11 h 48 min
5:53 AM – 5:43 PM
Cloud cover
70%
6th clearest
Wind
9 km/h
11th windiest
Solar energy
5.52 kWh/m²
Travel score
4.2
out of 10

Batticaloa is city in Eastern Province, Sri Lanka.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Batticaloa reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, October runs about 1°C cooler than September and about 1°C warmer than November.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83026
93026
103026
113026
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302826
312826

How October really feels in Batticaloa

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Batticaloa weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°17115.511.65.6
Feb27° / 25°8811.211.76.2
Mar29° / 26°528.311.96.1
Apr30° / 27°5910.512.25.0
May31° / 28°519.412.34.4
Jun32° / 28°255.412.44.2
Jul32° / 28°245.812.44.3
Aug31° / 27°317.512.34.5
Sep30° / 27°4811.1124.5
Oct29° / 26°15218.811.84.2
Nov28° / 25°28323.511.64.1
Dec27° / 25°30221.611.64.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33664
43763
53763
63763
73862
83862
93763
103763
113862
123763
133763
143664
153664
163664
173565
183565
193565
203466
213466
223367
233367
243268
253268
263268
273268
283268
293169
303169
313070

Chance of precipitation in October

Any precipitation

Batticaloa gets around 152 mm of rain over 18.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
146
246
346
446
547
648
748
849
951
1052
1154
1256
1358
1460
1562
1663
1765
1866
1968
2069
2170
2270
2371
2472
2572
2673
2773
2874
2974
3075
3175

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106931
206931
306931
406931
507030
607030
707030
807030
907030
1007030
1106931
1206931
1306931
1406931
1506931
1606931
1706931
1807030
1907030
2007030
2107129
2207129
2307129
2407129
2517128
2617128
2717227
2817227
2917326
3017326
3117425

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 5:54 AM to 5:55 AM, and sunset from 5:50 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:545:50
211.95:545:50
311.95:545:49
411.95:545:49
511.95:545:48
611.95:545:48
711.95:545:47
811.95:545:47
911.95:545:46
1011.95:545:46
1111.95:545:45
1211.95:535:45
1311.85:535:44
1411.85:535:44
1511.85:535:43
1611.85:535:43
1711.85:535:43
1811.85:545:42
1911.85:545:42
2011.85:545:42
2111.85:545:41
2211.85:545:41
2311.85:545:41
2411.85:545:40
2511.85:545:40
2611.85:545:40
2711.85:545:40
2811.75:545:39
2911.75:555:39
3011.75:555:39
3111.75:555:39

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.43 kWh/m² in March across the year — October's 5.52 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in October

Hazard calendar for Batticaloa

In seasonPeak

In October, Batticaloa sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

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

Batticaloa'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 October a good time to visit Batticaloa?

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

4.2
Sightseeing
10th-best month of the year
5.4
Beach & pool
10th-best month of the year

October is a reasonable time to visit Batticaloa for sightseeing.

What to pack for Batticaloa in October

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

In October, Batticaloa sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Batticaloa in October

The nearest coast averages about 29°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 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 Batticaloa in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Batticaloa peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 20UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Batticaloa in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Batticaloa is worst in May — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2125 µg/m³Dec 2118 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar20Moderate
Apr19Moderate
May25Moderate
Jun23Moderate
Jul23Moderate
Aug23Moderate
Sep22Moderate
Oct22Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Batticaloa?

Batticaloa sits at 7.7°N, 81.7°E, 17 m above sea level, in Sri Lanka. The nearest listed city is Eravur Town, 12 km away.

KalmunaiAmparaVakaraiPolonnaruwaPottuvilSigiriyaBadulla

Topography around Batticaloa

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

Within 3 km, the terrain around Batticaloa has only modest variations in elevation — a maximum elevation change of 19 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, large variations in elevation — a maximum elevation change of 844 m.

The land around Batticaloa is covered by water (33%) and grassland (21%) within 3 km, water (53%) and cropland (22%) within 16 km, and water (40%) and trees (35%) within 80 km.

3 km
19 m
16 km
44 m
80 km
844 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
October weather nearby: Eravur Town 12 km · Kalmunai 37 km · Ampara 46 km · Vakarai 55 km · Polonnaruwa 80 km · Pottuvil 94 km · Sigiriya 107 km · Badulla 107 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 Batticaloa (7.7102°, 81.6924°, elevation 17 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).