Rainiest Cities in Sri Lanka

Top 72 cities ranked by rainiest cities

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All Countries · Sri Lanka

Rainiest Cities — Sri Lanka

1 Ratnapura 33 164.0"

2 Horana South 36 142.1"

3 Horawala Junction 36 136.1"

4 Hanwella Ihala 36 132.8"

5 Homagama 36 132.8"

6 Ambalangoda 34 126.9"

7 Bentota 34 120.9"

8 Beruwala 36 120.9"

9 Gampola 29 119.6"

10 Kalutara 36 119.3"

11 Hatton 29 118.3"

12 Galle 34 116.7"

13 Moratuwa 36 115.0"

14 Panadura 36 115.0"

15 Kegalle 33 109.3"

16 Pita Kotte 36 106.0"

17 Wattala 36 106.0"

18 Kelaniya 36 106.0"

19 Kolonnawa 36 106.0"

20 Kotikawatta 36 106.0"

21 Maharagama 36 106.0"

22 Sri Jayewardenepura Kotte 36 106.0"

23 Mulleriyawa 36 106.0"

24 Dehiwala-Mount Lavinia 36 106.0"

25 Colombo 36 106.0"

26 Hendala 36 106.0"

27 Peliyagoda 36 106.0"

28 Battaramulla South 36 106.0"

29 Kandy 29 101.2"

30 Weligama 34 93.8"

31 Gampaha 36 93.7"

32 Ja Ela 36 93.7"

33 Kandana 36 93.7"

34 Welisara 36 93.7"

35 Minuwangoda 36 93.7"

36 Matale 29 86.7"

37 Kurunegala 32 86.6"

38 Nuwara Eliya 29 84.6"

39 Katunayaka 36 82.6"

40 Negombo 36 82.6"

41 Devinuwara 34 81.2"

42 Matara 34 81.2"

43 Kuliyapitiya 32 80.6"

44 Badulla 35 72.8"

45 Ampara 37 68.9"

46 Wellawaya 35 68.4"

47 Polonnaruwa 30 67.4"

48 Tangalle 34 66.6"

49 Beliatta 34 66.6"

50 Eravur Town 37 66.3"

51 Batticaloa 37 66.0"

52 Kalmunai 37 65.9"

53 Monaragala 35 64.4"

54 Vakarai 37 61.9"

55 Pottuvil 37 60.3"

56 Dambulla 29 60.3"

57 Chilaw 32 59.0"

58 Keppapularu 38 57.6"

59 Mullaittivu 38 57.6"

60 Trincomalee 37 56.5"

61 Wattegama 35 56.2"

62 Vavuniya 38 54.1"

63 Kilinochchi 38 53.5"

64 Point Pedro 38 53.3"

65 Valvedditturai 38 53.3"

66 Anuradhapura 30 52.3"

67 Jaffna 38 50.9"

68 Puttalam 32 42.3"

69 Kataragama 35 41.7"

70 Mannar 38 40.9"

71 Hambantota 34 40.2"

72 Ambalantota 34 40.2"

The rainiest cities in Sri Lanka receive the highest annual precipitation, creating lush green landscapes and abundant water resources. Ratnapura leads with 164.0 inches of precipitation annually.

High rainfall supports diverse ecosystems, extensive park systems, and reliable water supplies. These cities often feature vibrant gardens, green spaces, and agricultural communities that benefit from consistent moisture throughout the year.

While abundant rainfall supports lush environments, it can also bring challenges including flooding risks, high humidity, and more frequent overcast days. Many rainy cities have adapted with robust drainage systems, covered public spaces, and a cultural embrace of indoor activities.

Did You Know?

1. Ratnapura receives 164.0" of precipitation annually — that's about 13.7 feet of water.
2. The rainiest cities in the U.S. are primarily in the Southeast and Pacific Northwest, though for very different reasons — tropical moisture vs. marine influence.
3. High rainfall areas tend to have lower wildfire risk and more reliable municipal water supplies.

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