Climate guide for Diani Beach, Kenya

Best Time to Visit
Diani Beach

How to read the score (0–10)
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About Diani Beach

Diani Beach stretches white sand south of Mombasa with coral reefs, colobus monkeys, and monsoon-timed surf. In Kenya, the drier months outside peak monsoon usually delivers the most reliable conditions for beach travel - then use monthly climate scores to fine-tune around crowds, storms, or snow depth.

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Travel Tips

Timing & weather
Check Diani Beach's monthly climate scores before locking flights - tropical patterns shift comfort for beach trips across the year.
Getting around
In Diani Beach, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in Kenya.
Tickets & access
Reserve popular museums and day trips from Diani Beach ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Pack sun protection, water shoes only where local conditions call for them, and a light layer for breezy evenings in Diani Beach. Check beach access, tides, and weather before planning water activities.

Things to do in Diani Beach

Diani Beach, Kenya. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Diani Beach: the short answer

The best time to visit Diani Beach is January, followed by February, August. Those months combine the most usable temperatures with the fewest lost days to rain: January averages 28°C with 29 mm of rain and about 28 sunny days. The months to avoid unless you have a specific reason are April, May. If budget matters more than perfect weather, June is the strongest of the low-rate months at 7.9/10.

Across the year Diani Beach swings from 25°C in July to 28°C in February, a 4-degree spread, while rainfall ranges from 29 mm in January to 267 mm in April. That is the whole planning problem in one sentence: Diani Beach is not equally good year-round, and the difference between the best and worst month here is 3.1 points on a 10-point scale.

Warmest month: February (28°C). Coolest: July (25°C). Driest: January (29 mm). Wettest: April (267 mm).

Diani Beach month by month

January in Diani Beach — the year's strongest window

Best window · 9.8/10

January averages 28°C (82°F) with humidity around 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 29 mm of rain — occasional showers rather than washed-out days — alongside about 28 sunny days and 12.2 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 9.8/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

February in Diani Beach — the year's strongest window

Best window · 9.6/10

February averages 28°C (83°F) with humidity around 73%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 39 mm of rain — occasional showers rather than washed-out days — alongside about 28 sunny days and 12.1 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 9.6/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

March in Diani Beach — the year's strongest window

Best window · 9.2/10

March averages 28°C (83°F) with humidity around 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 57 mm, so plan one flexible day in three; you still get about 30 sunny days and 12 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 9.2/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

April in Diani Beach — workable with trade-offs

Trade-offs · 6.7/10

April averages 28°C (82°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

267 mm of rain puts this in monsoon territory — about 20 sunny days across the whole month, and multi-day washouts are normal.

It scores 6.7/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Diani Beach — 3.1 points higher on the same scale.

May in Diani Beach — reliably good (11th best month)

Good · 7/10

May averages 27°C (80°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

220 mm of rain puts this in monsoon territory — about 21 sunny days across the whole month, and multi-day washouts are normal.

It scores 7/10 here, 11th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Diani Beach — 2.8 points higher on the same scale.

June in Diani Beach — reliably good (8th best month)

Good · 7.9/10

June averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 93 mm, so plan one flexible day in three; you still get about 18 sunny days and 11.8 hours of daylight.

It scores 7.9/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, January is materially better in Diani Beach — 1.9 points higher on the same scale.

July in Diani Beach — reliably good (7th best month)

Good · 8.3/10

July averages 25°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 70 mm, so plan one flexible day in three; you still get about 18 sunny days and 11.8 hours of daylight.

It scores 8.3/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, January is materially better in Diani Beach — 1.5 points higher on the same scale.

August in Diani Beach — the year's strongest window

Best window · 9.3/10

August averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 48 mm, so plan one flexible day in three; you still get about 24 sunny days and 11.9 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 9.3/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

September in Diani Beach — reliably good (9th best month)

Good · 7.7/10

September averages 25°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 142 mm this is a genuinely wet month: about 27 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.7/10 here, 9th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Diani Beach — 2.1 points higher on the same scale.

October in Diani Beach — the year's strongest window

Best window · 9.3/10

October averages 26°C (79°F) with humidity around 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 48 mm, so plan one flexible day in three; you still get about 30 sunny days and 12.1 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 9.3/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

November in Diani Beach — reliably good (10th best month)

Good · 7.2/10

November averages 27°C (81°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

206 mm of rain puts this in monsoon territory — about 26 sunny days across the whole month, and multi-day washouts are normal.

It scores 7.2/10 here, 10th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Diani Beach — 2.6 points higher on the same scale.

December in Diani Beach — the year's strongest window

Best window · 8.6/10

December averages 28°C (82°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 82 mm, so plan one flexible day in three; you still get about 29 sunny days and 12.2 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Diani Beach at 8.6/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Frequently asked

When is the best time to visit Diani Beach, Kenya?
In Ideal Weather mode, the best months to visit Diani Beach are January, February, August, October, March. January is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Diani Beach year-round?
Diani Beach has a climate profile suited to beach and coastal travel. Average monthly temperatures range from 25°C in July to 28°C in February, with Ideal Weather scores between 6.7 and 9.8 out of 10.
Which months should I avoid in Diani Beach?
The lowest Ideal Weather-scoring months in Diani Beach are April (6.7/10), May (7.0/10), November (7.2/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Diani Beach?
April is the wettest month in Diani Beach, averaging about 267 mm of rainfall. January is the driest, at roughly 29 mm.
Which is the sunniest month in Diani Beach?
March sees the most sun in Diani Beach, with about 30 sunny days on average - ideal for outdoor plans.
Is Diani Beach a good destination for beach and coastal travel?
Diani Beach is well suited to beach and coastal travel. Its highest Ideal Weather window (January, February, August, October, March) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Diani Beach calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Diani Beach: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for beach and coastal travel.

Explore by month

Curated in Diani Beach

Tickets & experiences