Diani Beach weather in January
Diani Beach averages 31°C by day and 25°C at night in January, with the sea at 28°C and 10 days with at least 1 mm of rain.
Day
31°C
Night
25°C
Sea
28°C
Rainy days
10
Flight from London
9h
What January feels like
January is hot in Diani Beach: proper beach weather.
The sea is warm at 28°C: comfortable for long swims.
Expect some rain: about 10 days with at least 1 mm.
Of the 48 sun destinations we track, Diani Beach is the #5 warmest in January.
Diani Beach weather by month
January is highlighted. Compare with December and February, or see the full year in Diani Beach.
Diani Beach in January: quick answers
Is Diani Beach hot in January?
January is hot in Diani Beach: proper beach weather. Average highs are 31°C and lows 25°C.
Can you swim in Diani Beach in January?
The sea is warm at 28°C: comfortable for long swims.
Does it rain in Diani Beach in January?
Expect some rain: about 10 days with at least 1 mm.
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 January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January 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 January?
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.
