Eravur Town weather in December

In December, Eravur Town sees average daytime highs of 28°C and overnight lows near 23°C, with 288 mm of rain across 22.3 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 12% 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 Eravur Town's 8th-clearest and 5th-windiest month. For the whole year in context, see Eravur Town's year-round climate.

Daytime high
28°
11th warmest
Overnight low
23°
3rd coldest
Rainfall
288 mm
22.3 wet days
Daylight
11 h 36 min
6:13 AM – 5:46 PM
Cloud cover
75%
8th clearest
Wind
10 km/h
5th windiest
Solar energy
4.05 kWh/m²
Travel score
4.3
out of 10

Eravur Town is town in 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 28°C through the month.

A typical December day in Eravur Town reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°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)
12924
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How December really feels in Eravur Town

Once humidity and wind are folded in, December averages 3 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
3
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.

Eravur Town 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°16717.411.65.1
Feb29° / 23°9312.711.75.0
Mar31° / 23°549.811.94.7
Apr33° / 25°7313.512.23.3
May34° / 26°8212.712.32.6
Jun35° / 27°387.212.42.4
Jul35° / 26°40712.42.4
Aug35° / 26°6010.212.32.3
Sep34° / 26°10314.7122.5
Oct32° / 25°20620.611.82.9
Nov29° / 24°28624.911.63.4
Dec28° / 23°28822.311.64.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72575
82575
92575
102575
112575
122575
132674
142674
152575
162575
172575
182674
192674
202773
212773
222872
232971
242971
253070
263169
273169
283169
293367
303367
313367

Chance of precipitation in December

Any precipitation

Eravur Town gets around 288 mm of rain over 22.3 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 72% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
277
376
476
575
674
774
874
974
1074
1174
1274
1374
1474
1575
1675
1775
1874
1974
2074
2173
2272
2371
2470
2569
2668
2767
2866
2965
3065
3164

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
156926
266925
366925
476924
577023
677023
787022
887121
987121
1087220
1187319
1287319
1387418
1487517
1597516
1697516
1797615
18107614
19107713
20117712
21117712
22127711
23137710
24147610
2515769
2615769
2716768
2817758
2917758
3018748
3118748

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:06 AM to 6:20 AM, and sunset from 5:41 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:065:41
211.66:065:41
311.66:075:41
411.66:075:42
511.66:085:42
611.66:085:42
711.66:095:43
811.66:095:43
911.66:105:43
1011.66:105:44
1111.66:115:44
1211.66:115:45
1311.66:125:45
1411.66:125:45
1511.66:135:46
1611.66:135:46
1711.56:145:47
1811.56:145:47
1911.56:155:48
2011.56:155:48
2111.56:165:49
2211.56:165:49
2311.56:175:49
2411.56:175:50
2511.56:185:50
2611.56:185:51
2711.56:185:51
2811.66:195:52
2911.66:195:52
3011.66:205:53
3111.66:205:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.05 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.4 kWh/m² in March across the year — December's 4.05 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Eravur Town

In seasonPeak

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

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

Eravur Town'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 Eravur Town?

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

4.3
Sightseeing
4th-best month of the year
4.8
Beach & pool
10th-best month of the year

December is a reasonable time to visit Eravur Town for sightseeing.

What to pack for Eravur Town in December

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

In December, Eravur Town sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

Sea temperature near Eravur Town 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 May 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
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Eravur Town 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 Eravur Town peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 20UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Eravur Town 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 Eravur Town is worst in May — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2125 µg/m³Dec 2118 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar20Moderate
Apr19Moderate
May25Moderate
Jun23Moderate
Jul23Moderate
Aug23Moderate
Sep22Moderate
Oct22Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Eravur Town?

Eravur Town sits at 7.8°N, 81.6°E, 10 m above sea level, in Sri Lanka. The nearest listed city is Batticaloa, 12 km away.

VakaraiKalmunaiAmparaPolonnaruwaSigiriyaTrincomaleePottuvil

Topography around Eravur Town

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

Within 3 km, the terrain around Eravur Town has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, large variations in elevation — a maximum elevation change of 844 m.

The land around Eravur Town is covered by grassland (32%) and trees (20%) within 3 km, water (40%), grassland (24%) and cropland (22%) within 16 km, and trees (37%) and water (37%) within 80 km.

3 km
12 m
16 km
75 m
80 km
844 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Batticaloa 12 km · Vakarai 44 km · Kalmunai 48 km · Ampara 54 km · Polonnaruwa 69 km · Sigiriya 96 km · Trincomalee 98 km · Pottuvil 103 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 Eravur Town (7.7782°, 81.6038°, elevation 10 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).