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 about 270 mm of rain in the month.
Day
28°C
Night
24°C
Sea
28°C
Rain
270 mm
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: about 270 mm of rain falls in the month.
That is 10°C warmer than an average May day in London.
Of the 56 sun destinations we track, Diani Beach is the #34 warmest in May.
Going to Diani Beach in May?
Share the TikToks and Instagram Reels you've saved for Diani Beach to Dream Trip. It finds the places, pins them on a map and builds your days around them.
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.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 31°C | 25°C | 28°C | 47 mm |
| February | 31°C | 25°C | 29°C | 27 mm |
| March | 31°C | 25°C | 30°C | 77 mm |
| April | 29°C | 25°C | 29°C | 237 mm |
| May | 28°C | 24°C | 28°C | 270 mm |
| June | 27°C | 23°C | 28°C | 118 mm |
| July | 26°C | 22°C | 27°C | 90 mm |
| August | 26°C | 22°C | 26°C | 72 mm |
| September | 27°C | 23°C | 27°C | 85 mm |
| October | 28°C | 23°C | 27°C | 142 mm |
| November | 29°C | 24°C | 28°C | 108 mm |
| December | 30°C | 25°C | 29°C | 102 mm |
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: about 270 mm of rain falls in the month.
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. Rain is the average monthly total. 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?
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