Where is the sea warmest in Asia in April?
In April the warmest sea in Asia is at Rameswaram, India, at 31.1°C. 305 of 465 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Rameswaram | India | 31.1°C | Bath-like |
| 2 | Me Taw | Myanmar | 31.0°C | Bath-like |
| 3 | Chanthaburi | Thailand | 31.0°C | Bath-like |
| 4 | Myeik | Myanmar | 31.0°C | Bath-like |
| 5 | Koh Kong | Cambodia | 30.9°C | Bath-like |
| 6 | Kep | Cambodia | 30.9°C | Bath-like |
| 7 | Mannar | Sri Lanka | 30.9°C | Bath-like |
| 8 | Satun | Thailand | 30.9°C | Bath-like |
| 9 | Nibong Tebal | Malaysia | 30.9°C | Bath-like |
| 10 | Krabi | Thailand | 30.9°C | Bath-like |
| 11 | Andoung Thma | Cambodia | 30.9°C | Bath-like |
| 12 | Kangar | Malaysia | 30.9°C | Bath-like |
| 13 | Sihanoukville | Cambodia | 30.8°C | Bath-like |
| 14 | Alor Setar | Malaysia | 30.8°C | Bath-like |
| 15 | Kochi | India | 30.8°C | Bath-like |
| 16 | Cherthala | India | 30.8°C | Bath-like |
| 17 | Rayong | Thailand | 30.8°C | Bath-like |
| 18 | George Town | Malaysia | 30.8°C | Bath-like |
| 19 | Samut Songkhram | Thailand | 30.8°C | Bath-like |
| 20 | Taw Pyar | Myanmar | 30.7°C | Bath-like |
| 21 | Jaffna | Sri Lanka | 30.7°C | Bath-like |
| 22 | Samut Sakhon | Thailand | 30.7°C | Bath-like |
| 23 | Thoothukudi | India | 30.7°C | Bath-like |
| 24 | Chon Buri | Thailand | 30.7°C | Bath-like |
| 25 | Kavaratti | India | 30.6°C | Bath-like |
Ranked on the NOAA OISST monthly climatology — a long-run average for April, not a forecast. A given April will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.