Kegalle weather in December

In December, Kegalle sees average daytime highs of 29°C and overnight lows near 22°C, with 155 mm of rain across 14.4 wet days and about 11.6 hours of daylight. It is the 7th-warmest and 9th-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 18% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 36 min by month's end. Set against the rest of the year, December is Kegalle's 5th-clearest and 7th-windiest month. For the whole year in context, see Kegalle's year-round climate.

Daytime high
29°
7th warmest
Overnight low
22°
3rd coldest
Rainfall
155 mm
14.4 wet days
Daylight
11 h 36 min
6:17 AM – 5:52 PM
Cloud cover
70%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
4.39 kWh/m²
Travel score
4.6
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 December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Kegalle reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
273022
283022
293022
303022
313022

How December really feels in Kegalle

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

Kegalle weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22773
32773
42674
52773
62773
72773
82872
92773
102773
112773
122872
132971
143070
153070
163070
173070
183367
193367
203565
213664
223862
233862
244159
254258
264357
274456
284654
294654
304753
314951

Chance of precipitation in December

Any precipitation

Kegalle gets around 155 mm of rain over 14.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 46% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
257
356
455
554
654
753
853
953
1052
1152
1251
1351
1450
1550
1649
1748
1847
1946
2045
2144
2242
2341
2439
2537
2635
2734
2832
2931
3029
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1113833
2113833
3114823
4115813
5216793
6216793
7217783
8217783
9217783
10217783
11217783
12217783
13218773
14318763
15318772
16319762
17319762
18320752
19421741
20422731
21423721
22525691
23526681
24528661
25629641
26631621
27632611
28733591
29734581
30735571
31736561

Wind in December

Winds average 8 km/h in December.

Across December, 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
16calm
26calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:10 AM to 6:24 AM, and sunset from 5:47 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:105:47
211.66:115:47
311.66:115:47
411.66:125:48
511.66:125:48
611.66:125:48
711.66:135:49
811.66:135:49
911.66:145:49
1011.66:145:50
1111.66:155:50
1211.66:155:51
1311.66:165:51
1411.66:165:51
1511.66:175:52
1611.66:175:52
1711.66:185:53
1811.66:185:53
1911.66:195:54
2011.66:195:54
2111.66:205:54
2211.66:205:55
2311.66:215:55
2411.66:215:56
2511.66:225:56
2611.66:225:57
2711.66:235:57
2811.66:235:58
2911.66:235:58
3011.66:245:59
3111.66:245:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.39 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 — December's 4.39 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Kegalle

In seasonPeak

In December, 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 December a good time to visit Kegalle?

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

4.6
Sightseeing
2nd-best month of the year
6.1
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Kegalle for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kegalle in December

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

In December, Kegalle sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Kegalle in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).