Pottuvil weather in December

In December, Pottuvil sees average daytime highs of 28°C and overnight lows near 24°C, with 259 mm of rain across 21.6 wet days and about 11.6 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 13% 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 Pottuvil's 8th-clearest and 7th-windiest month. For the whole year in context, see Pottuvil's year-round climate.

Daytime high
28°
11th warmest
Overnight low
24°
3rd coldest
Rainfall
259 mm
21.6 wet days
Daylight
11 h 36 min
6:11 AM – 5:47 PM
Cloud cover
75%
8th clearest
Wind
12 km/h
7th windiest
Solar energy
4.06 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Pottuvil reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How December really feels in Pottuvil

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Pottuvil weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°14416.111.65.1
Feb29° / 24°8012.511.85.0
Mar31° / 24°6011.1124.6
Apr32° / 25°8816.512.13.5
May33° / 26°6211.712.33.1
Jun34° / 27°368.912.42.9
Jul34° / 26°389.712.43.0
Aug33° / 26°4111.612.23.0
Sep33° / 26°5512.5123.1
Oct31° / 25°17621.311.83.2
Nov29° / 24°25824.611.73.5
Dec28° / 24°25921.611.64.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22674
32773
42773
52773
62674
72674
82773
92773
102773
112773
122773
132773
142773
152773
162773
172773
182872
192872
202872
213070
223169
233169
243169
253367
263367
273367
283367
293565
303565
313565

Chance of precipitation in December

Any precipitation

Pottuvil gets around 259 mm of rain over 21.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 70% and peaks near 75% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
274
373
472
572
672
771
871
972
1072
1172
1272
1372
1472
1572
1672
1772
1872
1971
2071
2170
2270
2369
2468
2567
2665
2764
2863
2963
3062
3162

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
106877
206877
307867
407867
508857
608857
708857
808857
909847
1009847
1109856
1209856
1309856
14010846
15010855
16011845
17011845
18011854
19012844
20013834
21013834
22114814
23115804
24115813
25116803
26117793
27118783
28118783
29119773
30119773
31119773

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1112calm
1212calm
1312calm
1412calm
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 6:04 AM to 6:18 AM, and sunset from 5:41 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:045:41
211.66:045:42
311.66:045:42
411.66:055:42
511.66:055:43
611.66:065:43
711.66:065:43
811.66:075:44
911.66:075:44
1011.66:085:44
1111.66:085:45
1211.66:095:45
1311.66:095:46
1411.66:105:46
1511.66:105:47
1611.66:115:47
1711.66:115:47
1811.66:125:48
1911.66:125:48
2011.66:135:49
2111.66:135:49
2211.66:145:50
2311.66:145:50
2411.66:155:51
2511.66:155:51
2611.66:155:52
2711.66:165:52
2811.66:165:53
2911.66:175:53
3011.66:175:54
3111.66:185:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.06 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.15 kWh/m² in March across the year — December's 4.06 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Bright
234.0Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Pottuvil

In seasonPeak

In December, Pottuvil sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Pottuvil sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Pottuvil's monsoon runs October–January, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Pottuvil?

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

4.4
Sightseeing
4th-best month of the year
4.9
Beach & pool
10th-best month of the year

December is a reasonable time to visit Pottuvil for sightseeing.

What to pack for Pottuvil in December

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

In December, Pottuvil sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

Sea temperature near Pottuvil 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 offshore is warmest in April at about 30°C and coldest in January 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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Pottuvil 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 Pottuvil peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 21UV 10
UV index (midday)Level
Jan10Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Pottuvil 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 Pottuvil is worst in May — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1921 µg/m³Dec 2216 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar17Moderate
Apr18Moderate
May22Moderate
Jun20Moderate
Jul20Moderate
Aug20Moderate
Sep18Moderate
Oct21Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Pottuvil?

Pottuvil sits at 6.9°N, 81.8°E, 7 m above sea level, in Sri Lanka. The nearest listed city is Ampara, 49 km away.

AmparaKalmunaiKataragamaBadullaEllaBatticaloaEravur TownHambantota

Topography around Pottuvil

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

Within 3 km, the terrain around Pottuvil has only modest variations in elevation — a maximum elevation change of 22 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,024 m.

The land around Pottuvil is covered by cropland (30%) and water (29%) within 3 km, water (45%) and trees (35%) within 16 km, and trees (46%) and water (41%) within 80 km.

3 km
22 m
16 km
177 m
80 km
2,024 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Ampara 49 km · Kalmunai 59 km · Kataragama 75 km · Badulla 86 km · Ella 86 km · Batticaloa 94 km · Eravur Town 103 km · Hambantota 115 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 Pottuvil (6.8762°, 81.8267°, elevation 7 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).