Diani Beach in May

In May, Diani Beach averages 27°C (81°F) during the day and 24°C (75°F) at night, with frequent rain — about 29 days of the month see precipitation (285 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

May offers comfortable temperatures in Diani Beach, with some rain to plan around.

27°C
Avg high
24°C
Avg low
29
Rain days
285 mm
Rainfall

How May compares to the rest of the year in Diani Beach

8th
warmest month of the 12
3rd
wettest month of the 12
23%
of yearly rainfall falls in May
11 h 55 min
daylight on the 15th

May is in the middle of the year for warmth in Diani Beach (8th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 1°C below the annual average (28°C). May runs 2°C cooler than April (29°C) and cools 1°C in June (27°C).

May sunrise & sunset in Diani Beach

🌅
Sunrise (15th)
6:20 AM
🌇
Sunset (15th)
6:15 PM
Day length
11 h 55 min

Times shown for Diani Beach local time (Africa/Nairobi), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Diani Beach — May

Golden-hour and blue-hour windows for the 15th of May, in Diani Beach's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:20 AM – 6:00 AM
🌄 Golden hour (AM)
6:00 AM – 7:00 AM
🌇 Golden hour (PM)
5:35 PM – 6:35 PM
🌆 Blue hour (PM)
6:35 PM – 7:15 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Diani Beach in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Diani Beach's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Diani Beach

Shoulder

Diani Beach is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — May in Diani Beach

☀️ UV Index (noon, 15th)
11.6
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Diani Beach in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 31°C / 87°F 25°C / 77°F 26 mm 18
February 31°C / 88°F 25°C / 77°F 17 mm 17
March 31°C / 87°F 25°C / 78°F 73 mm 24
April 29°C / 84°F 25°C / 76°F 212 mm 29
May 27°C / 81°F 24°C / 75°F 285 mm 29
June 27°C / 80°F 23°C / 74°F 104 mm 28
July 26°C / 79°F 23°C / 73°F 92 mm 30
August 26°C / 79°F 22°C / 72°F 68 mm 29
September 27°C / 81°F 23°C / 73°F 83 mm 28
October 28°C / 83°F 24°C / 74°F 114 mm 29
November 29°C / 84°F 24°C / 75°F 108 mm 29
December 30°C / 86°F 25°C / 76°F 78 mm 25

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Diani Beach in May →

Frequently asked questions

How hot is Diani Beach in May?

In May, Diani Beach averages a high of 27°C (81°F) and a low of 24°C (75°F) — generally warm.

Does it rain a lot in Diani Beach in May?

May is quite rainy in Diani Beach, with about 29 rainy days on average.

Is May a good time to visit Diani Beach?

May is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Diani Beach in May?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Diani Beach for a complete, climate-based checklist.

Open Diani Beach on the interactive map

Check the live 10-day forecast and sunrise/sunset.