Climate and average weather in Eravur Town

In Eravur Town, the summers are muggy, sweltering, fairly dry, and mostly cloudy and the winters are warm and partly cloudy.

Best: mid December to late March

Over the course of the year, the temperature in Eravur Town typically varies from 23°C to 35°C, and is rarely below 20°C or above 37°C. June is the hottest month of the year, while January is the coldest.

Based on the travel score, the best time of year to visit Eravur Town for warm-weather activities is from mid December to late March.

Hottest
Jun
35°
Coldest
Jan
23°
Wettest
Dec
288 mm
Driest
Jun
38 mm
Rain / yr
1487 mm
173 wet days
Daylight
11.5–12.5 h
shortest–longest
Elevation
10 m
7.8°N
Clearest
Mar
50% cloud

Eravur Town is town in Sri Lanka.

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

Eravur Town weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid December to late March.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Eravur Town, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Eravur Town stay fairly even through the year, without a distinct hot or cool season. The warmest month is June, with an average high of 35°C and low of 27°C; the coolest is January, with an average low of 23°C and high of 28°C.

Days typically run about 7°C warmer than nights, with the widest day–night swing (around 9°C) in August.

20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2823
Feb2923
Mar3123
Apr3325
May3426
Jun3527
Jul3526
Aug3526
Sep3426
Oct3225
Nov2924
Dec2823

How hot and cold Eravur Town really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Eravur Town feels like about 42°C (around May 10). About 291 days a year carry some heat stress, and 113 of them tip into dangerous heat (feels-like above 39°C), peaking in May.

20°25°30°35°40°45°JanFebMarAprMayJunJulAugSepOctNovDecdangerous heat
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan31282323
Feb32292323
Mar35312323
Apr40332525
May42342626
Jun40352727
Jul39352626
Aug39352626
Sep39342526
Oct37322525
Nov34292424
Dec31282323

Average hourly temperature in Eravur Town

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on June afternoons, near 35°C, and coldest before dawn in January, near 23°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Eravur Town weather by month

Every month at a glance. Click a month for its detailed page.

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

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Eravur Town gets about 1487 mm of precipitation a year. On a typical day the chance of rain is very wet, but that rises and falls sharply with the seasons.

The wetter season lasts 4.8 months, from around Sep 17 to Feb 10, peaking in November at about 83% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 27.

December is the wettest month by volume, with 288 mm over about 22 wet days; June is the driest, with 38 mm.

0%10%20%30%40%50%60%70%80%90%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetNov 17 · 83%Jun 27 · 19%
Rain on a day (%)Rain days
Jan5617
Feb4413
Mar3310
Apr4514
May4013
Jun257
Jul237
Aug3310
Sep4815
Oct6821
Nov8225
Dec7322

Monthly rainfall

Over a full year, Eravur Town collects about 1487 mm of rain across 173 wet days — roughly 124 mm in an average month.

It doesn’t fall evenly. December is the wettest month with 288 mm, while June is the driest at just 38 mm. The three wettest months alone bring about 52% of the year’s total.

050100150200250300350JanFebMarAprMayJunJulAugSepOctNovDec16793547382384060103206286288
Rainfall (mm)Rain days
Jan16717
Feb9313
Mar5410
Apr7314
May8213
Jun387
Jul407
Aug6010
Sep10315
Oct20621
Nov28625
Dec28822

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Eravur Town, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around January 2 and lasts for 4.4 months, ending around May 15. The clearest month is March, when the sky is clear, mostly clear, or partly cloudy 62% of the time on average.

The cloudier part of the year begins around May 16 and lasts for 7.6 months, ending around January 1. The cloudiest month is July, when it is overcast or mostly cloudy 81% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecMar 19 · 64%Jul 18 · 18%clearmostly clearpartly cloudymostly cloudyovercastclearercloudier
Clearer (%)Cloudier (%)
Jan3763
Feb4951
Mar6238
Apr5149
May3466
Jun2377
Jul1981
Aug2278
Sep2971
Oct2773
Nov2278
Dec2773

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 17, brings about 12 h 30 min of light; the shortest, around December 17, only 11 h 30 min — a swing of roughly 1 hour.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan11.66:256:01
Feb11.76:266:11
Mar11.96:156:12
Apr12.25:596:09
May12.35:496:10
Jun12.45:506:17
Jul12.45:576:22
Aug12.36:006:15
Sep12.05:575:59
Oct11.85:545:43
Nov11.66:005:38
Dec11.66:135:46

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Eravur Town averages about 5 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 2 and 14 days.

The sunnier stretch runs 3.9 months, from around Jan 24 to May 22. The sunniest month is March, with roughly 12 sunny days (mixed).

The greyest month is July, down near 2 sunny days — about 82% fewer than the March peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyergloomymixedbrightMar 2414 daysJul 182 days
Sunny daysSky
Jan5Gloomy
Feb7Gloomy
Mar13Mixed
Apr10Mixed
May6Gloomy
Jun3Gloomy
Jul2Gloomy
Aug2Gloomy
Sep3Gloomy
Oct4Gloomy
Nov3Gloomy
Dec4Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

Eravur Town is humid all year round — on a typical day the air feels at least humid, and there is no real dry season to wait for.

The stickiest month is January, when it feels muggy, oppressive or miserable about 100% of the time. Even in January, the mildest month, the air is dry or comfortable only 0% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecmiserableoppressivemuggy
Muggy (%)Oppressive (%)Miserable (%)
Jan24714
Feb21708
Mar86626
Apr03465
May23959
Jun345314
Jul58366
Aug47449
Sep255718
Oct95734
Nov26137
Dec107416

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Eravur Town is typically calm, near 9 km/h, and varies moderately with the seasons.

The windier part of the year lasts 3.1 months, from around May 30 to Aug 31. The windiest month is July, averaging about 13 km/h (light breeze).

The calmer part of the year runs from around Feb 10 to May 29, with May the calmest month at about 8 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDeccalmerwindiercalmercalmlight breezeJul 10 · 13 km/hMay 1 · 6 km/h
Wind speed (km/h)Feels
Jan10calm
Feb9calm
Mar8calm
Apr7calm
May8calm
Jun12calm
Jul13light breeze
Aug11calm
Sep8calm
Oct7calm
Nov8calm
Dec10calm

Hazard calendar for Eravur Town

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

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

Best time to visit Eravur Town

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Eravur Town throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around late March, Eravur Town is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Eravur Town for general outdoor tourist activities is from mid December to late March, with a peak score in the third week of January.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJan 21 · 5.2

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan5.0fair
Feb5.0fair
Mar4.6fair
Apr3.4poor
May2.6poor
Jun2.4poor
Jul2.4poor
Aug2.3poor
Sep2.5poor
Oct2.9poor
Nov3.4poor
Dec4.2fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Eravur Town for hot-weather activities is from mid January to late April, with a peak score in the third week of March.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationMar 18 · 6.9

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Eravur Town, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around June (highs near 35°C), the essentials are light clothes and sun protection. In the cold season around January (highs near 28°C), pack light clothes, rain gear and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In June, Eravur Town sees daytime highs around 35°C and nights near 27°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

Sea temperature near Eravur Town

Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.

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 (midday) in Eravur Town by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

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

Average hourly UV index in Eravur Town

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in April the burn window is concentrated in the middle of the day: about 8 hours a day reach index 3 (protection recommended), and 6.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan7.55
Feb7.56
Mar86.5
Apr86.5
May8.56.5
Jun86
Jul86
Aug86
Sep86
Oct86
Nov7.55.5
Dec7.55

Air quality in Eravur Town by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly 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
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Eravur Town is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Eravur Town banks about 6,681 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around June.

02,0004,0006,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan475
Feb442
Mar530
Apr561
May624
Jun626
Jul645
Aug636
Sep595
Oct565
Nov497
Dec485

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Eravur Town receives about 5.5 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.0 and 6.5 kWh/m².

The brighter stretch of the year lasts 7.9 months, from around Feb 16 to Oct 13. The brightest month is March, averaging about 6.3 kWh/m² (intense).

The dimmest month is December, down near 4.1 kWh/m² — roughly 36% less than the March peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseMar 246.5 kWhDec 174.0 kWh
Solar energy (kWh/m²)Level
Jan4.6Bright
Feb5.5Bright
Mar6.4Intense
Apr6.3Intense
May6.2Intense
Jun5.9Bright
Jul5.8Bright
Aug6.0Bright
Sep6.0Intense
Oct5.4Bright
Nov4.4Bright
Dec4.0Bright

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
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).