May · Kenya
Best time to visit Diani Beach in May Weather, crowds & prices
Weather in Diani Beach in May
Average temperature 27°C, 220 mm of rain, about 21 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.0/10
Ranked #11 of 12 months
- Avg temp
- 27°C
- Rainfall
- 220 mm
- Humidity
- 81%
- Days with 6h+ sun
- 21
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Diani Beach scores 7.0/10 for beach and coastal travel - ranked #11 of 12. Expect around 27°C, 220 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Diani Beach stretches white sand south of Mombasa with coral reefs, colobus monkeys, and monsoon-timed surf. Best window: the drier months outside peak monsoon.
May in Diani Beach — reliably good (11th best month)
Days in May average 27°C (80°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 220 mm, but with about 21 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 7/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Diani Beach — 2.8 points higher on the same scale.
Frequently asked
- What is the weather like in Diani Beach in May?
- In May, Diani Beach averages 27°C, 220 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 7.0/10.
- Is May a good time to visit Diani Beach?
- May earns a 7.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Diani Beach in May?
- Expect about 220 mm of rain in May. Average humidity is 81% and there are about 21 days with 6+ hours of sunshine.
Curated in Diani Beach
Tickets & experiences
Things to do in Diani Beach
Diani Beach, Kenya. Live activities and tours from GetYourGuide, matched to this destination.