January: the best month of the year in Watamu
Best window · 9.7/10January averages 28°C (82°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 19 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 12.2 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Watamu at 9.7/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with 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 ranks 2nd of 12 for Watamu — one of the best windows
Best window · 9.6/10February averages 28°C (83°F) and humidity near 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 37 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 12.1 daylight hours.
A 9.6/10 puts this among the year's best months in Watamu (2nd of 12); only January scores higher, at 9.7/10.
Plan for peak pricing, with 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 Watamu — one of the year's strongest windows (4th)
Best window · 9.3/10Days in March average 28°C (83°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 50 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 12 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Watamu at 9.3/10 (4th of 12), just behind January at 9.7/10.
Budget for 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 Watamu: strong conditions, 10th of 12
Good · 7.5/10April averages 28°C (83°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 171 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.5/10 here, 10th of 12 months, against 9.7/10 in the destination's best month.
Figure on low-season pricing, with 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.
Flexible dates? January scores 2.2 points higher here — enough to change the trip.
May holds up well in Watamu — 12th best month
Good · 7.2/10Days in May average 27°C (81°F) and humidity near 80% — 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 230 mm, but with about 22 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 7.2/10 on the same scale — 12th of 12 months, versus 9.7/10 for the best month here.
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 Watamu — 2.5 points higher on the same scale.
June in Watamu — reliably good (8th best month)
Good · 8.4/10June averages 26°C (79°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 80 mm, so plan one flexible day in three; you still get about 20 days with 6+ hours of sunshine and 11.8 hours of daylight.
It scores 8.4/10 here, 8th of 12 months, against 9.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
July is one of the strongest months in Watamu (6th)
Best window · 8.7/10July averages 25°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 73 mm, so plan one flexible day in three; you still get about 21 days with 6+ hours of sunshine and 11.8 hours of daylight.
A 8.7/10 puts this among the year's best months in Watamu (6th of 12); only January scores higher, at 9.7/10.
Plan for mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
August ranks 3rd of 12 for Watamu — one of the best windows
Best window · 9.5/10With 25°C (78°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
With around 41 mm of rain, any showers tend to pass through rather than settle in; about 28 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Watamu at 9.5/10 (3rd of 12), just behind January at 9.7/10.
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.
September in Watamu — reliably good (9th best month)
Good · 8.3/10With 26°C (78°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
109 mm of rain makes this a wet month here, though with about 30 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 8.3/10 on the same scale — 9th of 12 months, versus 9.7/10 for the best month here.
Budget for mid-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.
October in Watamu — one of the year's strongest windows (5th)
Best window · 9.2/10October averages 27°C (80°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 55 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 12.1 hours of daylight.
A 9.2/10 puts this among the year's best months in Watamu (5th of 12); only January scores higher, at 9.7/10.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
November holds up well in Watamu — 11th best month
Good · 7.4/10November averages 27°C (81°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
204 mm makes this the wettest stretch of the year, though about 28 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 7.4/10 here, 11th of 12 months, against 9.7/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? January scores 2.3 points higher here — enough to change the trip.
December is one of the strongest months in Watamu (7th)
Best window · 8.6/10Days in December average 28°C (82°F) and humidity near 80% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 86 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 12.2 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Watamu at 8.6/10 (7th of 12), just behind January at 9.7/10.
Budget for 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.
