How many sunny days does Kalmunai have per year?

Kalmunai averages approximately 243 sunny days per year, based on historical climate data.

What is the air quality in Kalmunai?

Kalmunai has an annual PM2.5 concentration of 17.7 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

Eastern Province

Kalmunai · Sri Lanka

A city in Sri Lanka.

Small city

114K

25 km²

10m

09:37 UTC+5.5

LKR

Explore on map →Climate twin →

Kalmunai, Sri Lanka is a 114K-resident city with 243 sunny days and 0 frost days annually and an annual PM2.5 of 17.7 µg/m³. A city in Sri Lanka.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Kalmunai

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	28	28	29	30	32	32	32	31	31	30	29	28	30
Daily mean°C	26	27	28	29	30	30	30	29	29	28	27	27	28
Daily low°C	25	25	26	27	28	28	28	27	27	26	26	25	27
Thermal comfort
High feelsDaily high feels-like°C	34	34	37	38	39	39	39	39	39	37	36	35	37
Mean feelsDaily mean feels-like°C	30	30	32	34	35	35	34	34	34	32	30	30	33
Low feelsDaily low feels-like°C	24	23	25	27	28	28	27	27	27	27	25	24	26
Humidity
HumidityRelative humidity%	80	79	78	78	77	72	69	71	76	78	83	82	77
Dewpoint°C	23.3	22.8	23.5	24.3	25.0	24.4	23.6	23.7	24.0	23.6	23.8	23.3	23.8
Precipitation
Rainfallmm	207	73	124	101	111	55	49	61	48	168	265	270	1531
Rain days≥1mm	21	16	16	19	19	14	12	12	14	19	27	19	208
Wind
Wind avgm/s	3.8	4.2	3.2	2.9	2.2	1.9	2.2	2.4	2.0	2.1	2.8	3.6	2.8
Wind gustsm/s	5.9	6.2	5.0	4.2	4.4	4.1	5.1	5.2	4.3	4.7	5.7	5.9	5.1
Sun & UV
Sunshinehrs/day	9.0	9.2	10.0	10.0	10.0	10.0	9.9	10.0	9.5	9.3	8.3	9.0	9.5
Clear skyindex	28%	50%	50%	58%	40%	41%	37%	37%	39%	35%	31%	35%	40%
UV indexmax avg	9.1	10.1	10.7	11.9	10.5	10.0	10.2	11.5	11.3	10.1	8.4	7.9	10.2

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Kalmunai

Outdoor activities in Kalmunai are challenging most of the year. March through November are the toughest stretch. Even dinner outside manages 2/12 months, while even walking manages 3/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

2/12

Dinner Outside

67Jan: 67% viability

69Feb: 69% viability

63Mar: 63% viability

44Apr: 44% viability

40May: 40% viability

44Jun: 44% viability

53Jul: 53% viability

48Aug: 48% viability

44Sep: 44% viability

49Oct: 49% viability

50Nov: 50% viability

55Dec: 55% viability

2/12

Dinner Outside

67Jan: 67% viability

69Feb: 69% viability

63Mar: 63% viability

44Apr: 44% viability

40May: 40% viability

44Jun: 44% viability

53Jul: 53% viability

48Aug: 48% viability

44Sep: 44% viability

49Oct: 49% viability

50Nov: 50% viability

55Dec: 55% viability

52%

Humid

0/12

Lunch Outside

26Jan: 26% viability

31Feb: 31% viability

29Mar: 29% viability

14Apr: 14% viability

9May: 9% viability

17Jun: 17% viability

23Jul: 23% viability

22Aug: 22% viability

18Sep: 18% viability

14Oct: 14% viability

10Nov: 10% viability

16Dec: 16% viability

0/12

Lunch Outside

26Jan: 26% viability

31Feb: 31% viability

29Mar: 29% viability

14Apr: 14% viability

9May: 9% viability

17Jun: 17% viability

23Jul: 23% viability

22Aug: 22% viability

18Sep: 18% viability

14Oct: 14% viability

10Nov: 10% viability

16Dec: 16% viability

19%

Humid

3/12

Walking

82Jan: 82% viability

75Feb: 75% viability

31Mar: 31% viability

16Apr: 16% viability

14May: 14% viability

9Jun: 9% viability

18Jul: 18% viability

15Aug: 15% viability

19Sep: 19% viability

31Oct: 31% viability

54Nov: 54% viability

70Dec: 70% viability

3/12

Walking

82Jan: 82% viability

75Feb: 75% viability

31Mar: 31% viability

16Apr: 16% viability

14May: 14% viability

9Jun: 9% viability

18Jul: 18% viability

15Aug: 15% viability

19Sep: 19% viability

31Oct: 31% viability

54Nov: 54% viability

70Dec: 70% viability

36%

Humid

0/12

Running

15Jan: 15% viability

9Feb: 9% viability

3Mar: 3% viability

1Apr: 1% viability

0May: 0% viability

0Jun: 0% viability

1Jul: 1% viability

0Aug: 0% viability

1Sep: 1% viability

4Oct: 4% viability

13Nov: 13% viability

16Dec: 16% viability

0/12

Running

15Jan: 15% viability

9Feb: 9% viability

3Mar: 3% viability

1Apr: 1% viability

0May: 0% viability

0Jun: 0% viability

1Jul: 1% viability

0Aug: 0% viability

1Sep: 1% viability

4Oct: 4% viability

13Nov: 13% viability

16Dec: 16% viability

Heat

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Kalmunai · Sri Lanka

Climate

Climate Lab·Kalmunai

Lifestyle Calendar·Kalmunai

Air Quality Profile

Air Quality Profile

Who thrives in Kalmunai

Things to consider in Kalmunai

Why not Kalmunai?

Frequently asked about Kalmunai