Kerala weather in May
Kerala averages 30°C by day and 26°C at night in May, with the sea at 31°C and 29 days with at least 1 mm of rain. It cools by about 2°C into June.
Day
30°C
Night
26°C
Sea
31°C
Rainy days
29
Flight from London
10h
What May feels like
May is hot but wet in Kerala: rainy season, so pack for showers.
The sea is warm at 31°C: comfortable for long swims.
It is rainy season, with rain on about 29 days.
Of the 48 sun destinations we track, Kerala is the #14 warmest in May.
Want it warmer in May?
These are hotter than Kerala this month for at most an hour and a half more flying:
Kerala weather by month
May is highlighted. Compare with April and June, or see the full year in Kerala.
Kerala in May: quick answers
Is Kerala hot in May?
May is hot but wet in Kerala: rainy season, so pack for showers. Average highs are 30°C and lows 26°C.
Can you swim in Kerala in May?
The sea is warm at 31°C: comfortable for long swims.
Does it rain in Kerala in May?
It is rainy season, with rain on about 29 days.
What is the warmest month in Kerala?
March, at an average high of 31°C. The coolest is July at 28°C.
How long is the flight to Kerala from the UK?
About 10h direct from London, estimated from the 8,227 km distance. Check your airline for exact times.
Still choosing? See where is hot in May for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in May from 2016 to 2025 for Kochi, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Kerala in May?
Save the restaurants, beaches and views you find on TikTok and Instagram for Kerala straight to a map, then let Dream Trip turn them into a day-by-day plan.
