Welisara weather in October

In October, Welisara sees average daytime highs of 30°C and overnight lows near 24°C, with 359 mm of rain across 28.2 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in October, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Welisara's 9th-clearest and 8th-windiest month. For the whole year in context, see Welisara's year-round climate.

Daytime high
30°
8th warmest
Overnight low
24°
5th coldest
Rainfall
359 mm
28.2 wet days
Daylight
11 h 48 min
6:00 AM – 5:51 PM
Cloud cover
83%
9th clearest
Wind
8 km/h
8th windiest
Solar energy
4.56 kWh/m²
Travel score
2.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Welisara reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How October really feels in Welisara

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.

Welisara weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°668.411.64.4
Feb33° / 24°658.611.83.8
Mar33° / 25°9414.8123.1
Apr32° / 25°19225.412.22.5
May31° / 26°26429.412.32.5
Jun30° / 25°27928.712.42.7
Jul29° / 25°24529.212.42.9
Aug29° / 25°21929.112.22.9
Sep29° / 25°24727.8122.9
Oct30° / 24°35928.211.82.9
Nov30° / 24°33723.911.73.2
Dec30° / 23°17816.111.64.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71288
81288
91288
101288
111288
121288
131288
141288
151288
161288
171288
181288
191288
201288
211288
221288
231288
241288
251387
261387
271387
281387
291387
301387
311486

Chance of precipitation in October

Any precipitation

Welisara gets around 359 mm of rain over 28.2 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
491
591
691
792
892
992
1092
1192
1292
1393
1493
1593
1693
1792
1892
1992
2092
2191
2291
2391
2490
2590
2690
2789
2889
2989
3089
3189

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13961
23961
33862
43862
53862
63862
73862
83862
93862
103862
113961
123961
134060
144159
154258
164357
174456
184555
194555
204654
214753
224753
234852
244951
254951
264951
275050
285050
295149
305149
315248

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 6:01 AM to 6:01 AM, and sunset from 5:58 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:015:58
211.96:015:57
311.96:015:57
411.96:015:56
511.96:015:56
611.96:015:55
711.96:015:55
811.96:005:54
911.96:005:54
1011.96:005:53
1111.96:005:53
1211.96:005:52
1311.96:005:52
1411.96:005:51
1511.86:005:51
1611.86:005:51
1711.86:005:50
1811.86:005:50
1911.86:005:50
2011.86:005:49
2111.86:005:49
2211.86:005:49
2311.86:005:48
2411.86:005:48
2511.86:015:48
2611.86:015:48
2711.86:015:47
2811.86:015:47
2911.86:015:47
3011.86:015:47
3111.86:015:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.15 kWh/m² in March across the year — October's 4.56 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in October

Hazard calendar for Welisara

In seasonPeak

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

Welisara 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 October a good time to visit Welisara?

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

2.9
Sightseeing
6th-best month of the year
3.9
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Welisara.

What to pack for Welisara in October

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

In October, Welisara sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Welisara in October

The nearest coast averages about 28°C in October — 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 August 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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Welisara 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 Welisara peaks around February 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 17UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Welisara 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 Welisara is worst in January — around 84 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 29 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1483 µg/m³Jul 2129 µg/m³
PM2.5 (µg/m³)Level
Jan84Unhealthy
Feb78Unhealthy
Mar73Unhealthy
Apr62Unhealthy
May44Poor
Jun31Moderate
Jul29Moderate
Aug30Moderate
Sep35Poor
Oct52Poor
Nov74Unhealthy
Dec81Unhealthy
Location & terrain

Where is Welisara?

Welisara sits at 7.0°N, 79.9°E, 11 m above sea level, in Sri Lanka. The nearest listed city is Kandana, 2.0 km away.

Topography around Welisara

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

Within 3 km, the terrain around Welisara has only modest variations in elevation — a maximum elevation change of 45 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,145 m.

The land around Welisara is covered by trees (45%) and artificial surfaces (37%) within 3 km, trees (44%) and water (31%) within 16 km, and trees (61%) and water (34%) within 80 km.

3 km
45 m
16 km
124 m
80 km
2,145 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Kandana 2.0 km · Wattala 4.0 km · Hendala 5.0 km · Ja Ela 5.0 km · Peliyagoda 7.0 km · Kelaniya 8.0 km · Kolonnawa 11 km · Mulleriyawa 11 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 Welisara (7.0281°, 79.9014°, elevation 11 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).