Sea temperature in India
Live water temperatures and swimming conditions across 26 beaches on the India coast.
Best time to swim in India
The sea in India peaks in May, when the water averages around 29°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically January at around 25°C, when cold-water swimmers dominate the coast.
India sea temperature history
Long-term climatology for India shows an annual mean sea temperature of 27°C, ranging from 25°C in winter to 29°C at the summer peak.
The seasonal swing is roughly 4°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at India, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Values are area averages; individual beaches vary by exposure and depth.
India sea temperature: frequently asked questions
What is the warmest month to swim in India?
May is the warmest month in India, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in India?
The coldest month in India is typically January, when the water averages around 25°C. Cold-water swimmers and surfers dominate this period.
When can you swim in India without a wetsuit?
The main swimming season in India runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in India?
India stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.
What is the average sea temperature in India?
The long-term annual mean sea temperature in India is about 27°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in India?
The live reading at the top of this page shows the current sea temperature in India, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
India sea temperature by month
Average sea temperatures around India for every month of the year, based on long-term Open-Meteo marine climatology.
| Month | Average sea | Swimming comfort |
|---|---|---|
| January | 25.0°C | Warm swimming |
| February | 25.0°C | Warm swimming |
| March | 26.0°C | Warm swimming |
| April | 28.0°C | Very warm, bath-like |
| May ⭐ | 29.0°C | Very warm, bath-like |
| June | 28.0°C | Very warm, bath-like |
| July | 27.0°C | Very warm, bath-like |
| August | 27.0°C | Very warm, bath-like |
| September | 27.0°C | Very warm, bath-like |
| October | 28.0°C | Very warm, bath-like |
| November | 27.0°C | Very warm, bath-like |
| December | 26.0°C | Warm swimming |
Monthly figures are modelled climatology averages, not live readings. How accurate is our data?
Warmest beaches in India right now
| Beach | Region | Sea | Swim score |
|---|---|---|---|
| Radhanagar Beach | Andaman | 29.7°C | Excellent |
| Elephant Beach | Andaman | 29.0°C | Excellent |
| Corbyn's Cove | Andaman | 28.7°C | Excellent |
| Auroville Beach | Puducherry | 28.7°C | Excellent |
| Promenade Beach | Puducherry | 28.3°C | Excellent |
| Marina Beach Chennai | Tamil Nadu | 27.7°C | Excellent |
| Versova Beach | Maharashtra | 27.7°C | Excellent |
| Paradise Beach Pondy | Puducherry | 27.6°C | Excellent |
| Kovalam Beach | Kerala | 27.4°C | Excellent |
| Mahabalipuram Beach | Tamil Nadu | 27.4°C | Excellent |
| Palolem Beach | Goa | 27.3°C | Excellent |
| Vagator Beach | Goa | 27.3°C | Excellent |
| Gokarna Beach | Karnataka | 27.3°C | Excellent |
| Anjuna Beach | Goa | 27.2°C | Excellent |
| Calangute Beach | Goa | 27.1°C | Excellent |
| Arambol Beach | Goa | 27.1°C | Excellent |
| Juhu Beach | Maharashtra | 27.0°C | Excellent |
| Colva Beach | Goa | 26.8°C | Excellent |
| Morjim Beach | Goa | 26.8°C | Excellent |
| Tarkarli Beach | Maharashtra | 26.8°C | Excellent |
| Cherai Beach | Kerala | 26.7°C | Excellent |
| Agonda Beach | Goa | 26.6°C | Excellent |
| Agonda Beach | Goa | 26.6°C | Excellent |
| Baga Beach | Goa | 26.5°C | Excellent |
| Marari Beach | Kerala | 26.5°C | Excellent |
| Varkala Beach | Kerala | 26.3°C | Excellent |
Sea temperature in India — FAQ
How warm is the sea in India in September?
The sea off India averages about 27.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in India?
India is warmest in May (around 29.0°C) and coldest in January (around 25.0°C). There are typically 12 months a year when the water sits above 22°C.
What is the average yearly sea temperature in India?
Across all twelve months, the sea in India averages about 26.9°C.
Do you need a wetsuit to swim in India?
In peak season (around May, ~29.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 25.0°C, a 3/2mm to 5/4mm wetsuit is recommended.
Which beach in India has the warmest sea right now?
Radhanagar Beach typically has the warmest sea in September, while Baga Beach is the coolest of the featured beaches. Live readings for every beach are listed on this page.