Diani Beach weather in May
Diani Beach averages 28°C by day and 24°C at night in May, with the sea at 28°C and 25 days with at least 1 mm of rain.
Day
28°C
Night
24°C
Sea
28°C
Rainy days
25
Flight from London
9h
What May feels like
May is hot but wet in Diani Beach: rainy season, so pack for showers.
The sea is warm at 28°C: comfortable for long swims.
It is rainy season, with rain on about 25 days.
Of the 48 sun destinations we track, Diani Beach is the #27 warmest in May.
Want it warmer in May?
These are hotter than Diani Beach this month for at most an hour and a half more flying:
Diani Beach weather by month
May is highlighted. Compare with April and June, or see the full year in Diani Beach.
Diani Beach in May: quick answers
Is Diani Beach hot in May?
May is hot but wet in Diani Beach: rainy season, so pack for showers. Average highs are 28°C and lows 24°C.
Can you swim in Diani Beach in May?
The sea is warm at 28°C: comfortable for long swims.
Does it rain in Diani Beach in May?
It is rainy season, with rain on about 25 days.
What is the warmest month in Diani Beach?
February, at an average high of 31°C. The coolest is July at 26°C.
How long is the flight to Diani Beach from the UK?
About 9h direct from London, estimated from the 7,266 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, 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 Diani Beach in May?
Save the restaurants, beaches and views you find on TikTok and Instagram for Diani Beach straight to a map, then let Dream Trip turn them into a day-by-day plan.
