Chilaw weather in November

In November, Chilaw sees average daytime highs of 29°C and overnight lows near 25°C, with 261 mm of rain across 22.2 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 2nd-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 10% of the time in November, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of November to 11 h 36 min by month's end. Set against the rest of the year, November is Chilaw's 8th-clearest and 10th-windiest month. For the whole year in context, see Chilaw's year-round climate.

Daytime high
29°
7th warmest
Overnight low
25°
4th coldest
Rainfall
261 mm
22.2 wet days
Daylight
11 h 36 min
6:07 AM – 5:46 PM
Cloud cover
77%
8th clearest
Wind
12 km/h
10th windiest
Solar energy
4.7 kWh/m²
Travel score
3.8
out of 10

Chilaw is large town in Puttalam district, Sri Lanka.

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

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

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

A typical November day in Chilaw 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 27°C and 30°C. Set against its neighbours, November runs on par with October and on par with December.

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 November really feels in Chilaw

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

Chilaw weather by month

How November compares with the rest of the year at a glance. November is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°376.111.65.7
Feb31° / 25°33611.85.2
Mar31° / 26°6913.711.94.4
Apr30° / 26°15224.912.23.2
May30° / 27°22128.112.33.0
Jun29° / 27°18525.812.43.4
Jul28° / 26°13322.112.44.0
Aug28° / 26°12921.912.24.1
Sep28° / 26°18024.4123.7
Oct29° / 26°29826.111.83.5
Nov29° / 25°26122.211.73.8
Dec29° / 25°13113.511.65.0

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 14% of November, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
32080
42179
52179
62179
72179
82278
92278
102377
112377
122377
132476
142476
152476
162476
172476
182476
192476
202476
212476
222476
232575
242575
252575
262674
272674
282773
292773
302872

Chance of precipitation in November

Any precipitation

Chilaw gets around 261 mm of rain over 22.2 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
184
284
384
483
582
682
781
880
979
1078
1177
1276
1376
1475
1574
1674
1773
1872
1972
2071
2170
2269
2368
2468
2567
2665
2764
2862
2961
3059

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
105050
205149
305248
405347
505446
605545
705644
815742
915841
1015940
1116039
1216138
1316336
1416435
1516534
1616732
1716831
1816930
1927028
2027127
2127325
2237324
2337423
2437522
2547521
2647620
2757619
2857718
2967717
3067816

Wind in November

Winds average 12 km/h in November.

Across November, daily wind ranges from about 11 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612light breeze
1712light breeze
1812light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3015light breeze

Sunrise & sunset in November

DaylightNight

Daylight runs from about 11 h 42 min at the start of November to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over November. Sunrise moves from 6:03 AM to 6:12 AM, and sunset from 5:46 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:035:46
211.76:035:46
311.76:035:46
411.76:035:46
511.76:035:46
611.76:045:46
711.76:045:46
811.76:045:45
911.76:045:45
1011.76:055:45
1111.76:055:45
1211.76:055:45
1311.76:065:45
1411.76:065:45
1511.76:065:45
1611.66:075:46
1711.66:075:46
1811.66:075:46
1911.66:085:46
2011.66:085:46
2111.66:095:46
2211.66:095:46
2311.66:095:46
2411.66:105:47
2511.66:105:47
2611.66:115:47
2711.66:115:47
2811.66:115:47
2911.66:125:48
3011.66:125:48

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 4.7 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.51 kWh/m² in March across the year — November's 4.7 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in November

Hazard calendar for Chilaw

In seasonPeak

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

Chilaw 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 November a good time to visit Chilaw?

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

3.8
Sightseeing
7th-best month of the year
4.8
Beach & pool
5th-best month of the year

November is a weaker month for outdoor sightseeing in Chilaw.

What to pack for Chilaw in November

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

In November, Chilaw sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Chilaw in November

The nearest coast averages about 29°C in November — 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 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
Feb28Warm
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Chilaw in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chilaw peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 18UV 13Dec 19UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Chilaw in November

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chilaw is worst in March — around 30 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (August, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2030 µg/m³Aug 2417 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar30Moderate
Apr28Moderate
May24Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct19Moderate
Nov24Moderate
Dec23Moderate
Location & terrain

Where is Chilaw?

Chilaw sits at 7.6°N, 79.8°E, 8 m above sea level, in Sri Lanka. The nearest listed city is Negombo, 41 km away.

NegomboKatunayakaPuttalamJa ElaKandanaWelisaraKurunegalaHendala

Topography around Chilaw

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

Within 3 km, the terrain around Chilaw has only modest variations in elevation — a maximum elevation change of 15 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, large variations in elevation — a maximum elevation change of 977 m.

The land around Chilaw is covered by water (38%) and trees (33%) within 3 km, water (52%) and trees (39%) within 16 km, and trees (53%) and water (37%) within 80 km.

3 km
15 m
16 km
67 m
80 km
977 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
November weather nearby: Negombo 41 km · Katunayaka 46 km · Puttalam 51 km · Ja Ela 57 km · Kandana 60 km · Welisara 62 km · Kurunegala 64 km · Hendala 66 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 Chilaw (7.5758°, 79.7953°, elevation 8 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).