Kegalle weather in May

In May, Kegalle sees average daytime highs of 30°C and overnight lows near 25°C, with 195 mm of rain across 27.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-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 2% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Kegalle's 7th-clearest and 5th-windiest month. For the whole year in context, see Kegalle's year-round climate.

Daytime high
30°
4th warmest
Overnight low
25°
12th coldest
Rainfall
195 mm
27.9 wet days
Daylight
12 h 18 min
5:55 AM – 6:15 PM
Cloud cover
81%
7th clearest
Wind
10 km/h
5th windiest
Solar energy
4.81 kWh/m²
Travel score
2.7
out of 10

Kegalle is town in Sabaragamuwa Province, Sri Lanka.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Kegalle reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103125
113125
123125
133125
143125
153125
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303024
313024

How May really feels in Kegalle

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

Kegalle weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°556.311.65.1
Feb32° / 22°51611.84.2
Mar34° / 23°8310.5123.2
Apr32° / 24°18822.112.22.7
May30° / 25°19527.912.32.7
Jun29° / 24°21928.212.42.9
Jul29° / 24°20728.312.43.1
Aug29° / 24°18628.512.23.1
Sep29° / 24°19626.2123.2
Oct29° / 23°34827.911.83.0
Nov30° / 23°31522.111.73.5
Dec29° / 22°15514.411.64.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32377
42278
52278
62179
72179
82179
92080
102080
111981
121981
131981
141882
151882
161783
171783
181783
191684
201684
211585
221486
231387
241387
251288
261288
271189
281189
291090
301090
311090

Chance of precipitation in May

Any precipitation

Kegalle gets around 195 mm of rain over 27.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
386
486
586
687
787
888
988
1089
1189
1289
1390
1490
1590
1691
1791
1891
1991
2092
2192
2292
2392
2492
2592
2693
2793
2893
2993
3093
3194

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14258
24159
33961
43862
53763
63565
73565
83466
93367
103367
113268
123268
133169
143169
153169
163169
173169
183169
193169
203268
213268
223367
233466
243565
253565
263664
273763
283862
293961
304060
314159

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
79calm
89calm
99calm
109calm
119calm
1210calm
1310calm
1410calm
1510calm
1610calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 5:58 AM to 5:54 AM, and sunset from 6:13 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:586:13
212.35:586:13
312.35:586:13
412.35:576:14
512.35:576:14
612.35:576:14
712.35:576:14
812.35:566:14
912.35:566:14
1012.35:566:14
1112.35:566:14
1212.35:566:14
1312.35:556:14
1412.35:556:14
1512.35:556:15
1612.35:556:15
1712.35:556:15
1812.35:556:15
1912.35:556:15
2012.35:556:15
2112.45:546:16
2212.45:546:16
2312.45:546:16
2412.45:546:16
2512.45:546:16
2612.45:546:17
2712.45:546:17
2812.45:546:17
2912.45:546:17
3012.45:546:17
3112.45:546:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.19 kWh/m² in March across the year — May's 4.81 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Kegalle

In seasonPeak

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

Kegalle 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 May a good time to visit Kegalle?

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

2.7
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Kegalle.

What to pack for Kegalle in May

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

In May, Kegalle sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Kegalle in May

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

The sea at the nearest coast (about 53 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
Feb28Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Kegalle in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kegalle peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 18UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Kegalle in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kegalle is worst in November — around 60 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (July, 25 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorUnhealthyPoorNov 1759 µg/m³Jul 2025 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb41Poor
Mar57Unhealthy
Apr59Unhealthy
May42Poor
Jun27Moderate
Jul25Moderate
Aug26Moderate
Sep30Moderate
Oct49Poor
Nov60Unhealthy
Dec52Poor
Location & terrain

Where is Kegalle?

Kegalle sits at 7.3°N, 80.3°E, 176 m above sea level, in Sri Lanka. The nearest listed city is Kurunegala, 26 km away.

KurunegalaGampolaKandyMataleHanwella IhalaHattonKatunayakaJa Ela

Topography around Kegalle

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

Within 3 km, the terrain around Kegalle has significant variations in elevation — a maximum elevation change of 307 m around an average of 223 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,506 m.

The land around Kegalle is covered by trees (96%) within 3 km, trees (95%) within 16 km, and trees (81%) within 80 km.

3 km
307 m
16 km
1,079 m
80 km
2,506 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kurunegala 26 km · Gampola 27 km · Kandy 32 km · Matale 39 km · Hanwella Ihala 48 km · Hatton 49 km · Katunayaka 51 km · Ja Ela 54 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 Kegalle (7.2523°, 80.3436°, elevation 176 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).