Dehiwala-Mount Lavinia weather in November

In November, Dehiwala-Mount Lavinia sees average daytime highs of 29°C and overnight lows near 25°C, with 330 mm of rain across 23.8 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 1st-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 48 min at the start of November to 11 h 36 min by month's end. Set against the rest of the year, November is Dehiwala-Mount Lavinia's 6th-clearest and 9th-windiest month. For the whole year in context, see Dehiwala-Mount Lavinia's year-round climate.

Daytime high
29°
7th warmest
Overnight low
25°
3rd coldest
Rainfall
330 mm
23.8 wet days
Daylight
11 h 42 min
6:05 AM – 5:46 PM
Cloud cover
78%
6th clearest
Wind
11 km/h
9th windiest
Solar energy
4.62 kWh/m²
Travel score
3.7
out of 10

Dehiwala-Mount Lavinia is suburb of Colombo, Western Province, 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 Dehiwala-Mount Lavinia 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°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
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 Dehiwala-Mount Lavinia

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.

Dehiwala-Mount Lavinia weather by month

How November compares with the rest of the year at a glance. November is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°608.811.65.4
Feb30° / 25°578.511.85.2
Mar30° / 26°7514.9124.5
Apr30° / 26°17424.412.13.3
May29° / 27°2932912.33.0
Jun29° / 26°25726.512.43.3
Jul28° / 26°20525.312.43.7
Aug28° / 26°18324.612.23.8
Sep28° / 26°23224.3123.7
Oct28° / 25°3282611.83.6
Nov29° / 25°33023.811.73.7
Dec29° / 25°17516.711.64.6

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 12% of November, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51783
61783
71882
81882
91882
101981
111981
121981
131981
142179
152179
162179
172278
182278
192278
202377
212377
222377
232476
242476
252575
262575
272674
282773
292773
302872

Chance of precipitation in November

Any precipitation

Dehiwala-Mount Lavinia gets around 330 mm of rain over 23.8 wet days in November, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
285
385
485
585
684
784
883
983
1083
1182
1282
1381
1481
1581
1680
1780
1880
1979
2078
2178
2277
2376
2475
2574
2672
2771
2870
2968
3067

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
106139
206238
306337
406436
506436
606535
706634
806733
916732
1016732
1116831
1216930
1317029
1417128
1517227
1617326
1717326
1817425
1917524
2027523
2127622
2227721
2327820
2437819
2537819
2637918
2747818
2847917
2957817
3057817

Wind in November

Winds average 11 km/h in November.

Across November, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2912calm
3012calm

Sunrise & sunset in November

DaylightNight

Daylight runs from about 11 h 48 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 12 minutes over November. Sunrise moves from 6:01 AM to 6:11 AM, and sunset from 5:47 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:015:47
211.76:025:47
311.76:025:46
411.76:025:46
511.76:025:46
611.76:025:46
711.76:035:46
811.76:035:46
911.76:035:46
1011.76:035:46
1111.76:045:46
1211.76:045:46
1311.76:045:46
1411.76:055:46
1511.76:055:46
1611.76:055:46
1711.76:065:46
1811.76:065:46
1911.76:065:47
2011.76:075:47
2111.76:075:47
2211.76:075:47
2311.76:085:47
2411.76:085:47
2511.66:095:48
2611.66:095:48
2711.66:105:48
2811.66:105:48
2911.66:105:49
3011.66:115:49

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 4.62 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.26 kWh/m² in March across the year — November's 4.62 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in November

Hazard calendar for Dehiwala-Mount Lavinia

In seasonPeak

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

Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia?

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

3.7
Sightseeing
6th-best month of the year
4.6
Beach & pool
5th-best month of the year

November is a weaker month for outdoor sightseeing in Dehiwala-Mount Lavinia.

What to pack for Dehiwala-Mount Lavinia in November

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

In November, Dehiwala-Mount Lavinia sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Dehiwala-Mount Lavinia 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 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 Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia peaks around September 10 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 highSep 10UV 13Dec 15UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia is worst in February — around 37 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1437 µg/m³Sep 1118 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb37Poor
Mar36Poor
Apr28Moderate
May24Moderate
Jun19Moderate
Jul18Moderate
Aug18Moderate
Sep18Moderate
Oct20Moderate
Nov30Moderate
Dec34Moderate
Location & terrain

Where is Dehiwala-Mount Lavinia?

Dehiwala-Mount Lavinia sits at 6.8°N, 79.9°E, 16 m above sea level, in Sri Lanka. The nearest listed city is Maharagama, 6.0 km away.

Topography around Dehiwala-Mount Lavinia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dehiwala-Mount Lavinia.

Within 3 km, the terrain around Dehiwala-Mount Lavinia has only modest variations in elevation — a maximum elevation change of 33 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 74 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,145 m.

The land around Dehiwala-Mount Lavinia is covered by artificial surfaces (51%) and water (32%) within 3 km, water (50%), trees (25%) and artificial surfaces (21%) within 16 km, and trees (59%) and water (37%) within 80 km.

3 km
33 m
16 km
74 m
80 km
2,145 m
treesgrasslandcroplandartificial surfacesbare terrainwater
November weather nearby: Maharagama 6.0 km · Sri Jayewardenepura Kotte 6.0 km · Pita Kotte 7.0 km · Moratuwa 8.0 km · Battaramulla South 8.0 km · Kolonnawa 10 km · Kotikawatta 11 km · Colombo 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 Dehiwala-Mount Lavinia (6.8402°, 79.8712°, elevation 16 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).