Diani Beach weather in August
Diani Beach averages 26°C by day and 22°C at night in August, with the sea at 26°C and about 72 mm of rain in the month.
Day
26°C
Night
22°C
Sea
26°C
Rain
72 mm
Flight from London
9h
What August feels like
August is hot in Diani Beach: proper beach weather.
The sea is warm at 26°C: comfortable for long swims.
Rain is occasional: about 72 mm in the month.
That is 4°C warmer than an average August day in London.
Of the 56 sun destinations we track, Diani Beach is the #51 warmest in August.
Going to Diani Beach in August?
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 August?
These are hotter than Diani Beach this month for at most an hour and a half more flying:
Diani Beach weather by month
August is highlighted. Compare with July and September, 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 August: quick answers
Is Diani Beach hot in August?
August is hot in Diani Beach: proper beach weather. Average highs are 26°C and lows 22°C.
Can you swim in Diani Beach in August?
The sea is warm at 26°C: comfortable for long swims.
Does it rain in Diani Beach in August?
Rain is occasional: about 72 mm 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 August for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in August 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 August?
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