Mombasa weather in July

July in Mombasa: hot, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Mombasa🇰🇪 Kenya · Swahili Coast · Beach90
  1. 91Jan
  2. 92Feb
  3. 87Mar
  4. 76Apr
  5. 76May
  6. 89Jun
  7. 90Jul
  8. 91Aug
  9. 91Sep
  10. 86Oct
  11. 85Nov
  12. 86Dec

#5 of 12 months in Mombasa · #250 of 1413 destinations to visit in July · comfort 90/100 (tier S)

Days
28°C
Nights
22°C
Wet days
15
Sun
10.7 h
Humidity
78%
Daylight
12 h
Mombasa, Kenya
Photo: Royal Wave ENT · Pexels

Traveller notes on Mombasa in July

Forum posters describe July as one of the coolest months on the Kenyan coast, coming after the long rains with the south-east monsoon dominant - daytime around 27C with lows near 19C, cool enough overnight that a light blanket rather than a fan is the norm. The characteristic daily pattern: a sunny start, then clouds building from the south by afternoon bringing short but sometimes intense rain squalls, plus winds that pick up and help take the edge off the heat. Posters call it a genuinely fine time to visit as long as sun cream stays part of the routine even on cloudy days, with hotel staff typically keeping the odd patch of seasonal seaweed cleared from the swimming areas.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Other months in Mombasa

Regulars are consistent this month runs noticeably drier than May, with the official cold season not starting until July - though regulars note it can already feel chillier by the back half of this month, a real preview of what's coming. Our row backs that warm, genuinely humid read, 29C reading as a hot 31C, over 22.7C nights, with 56.1mm of rain across 15.9 days and humidity at 79 percent. Regulars are specific that rain here can be genuinely localized, falling in one part of the coast while a nearby beach stays completely dry at the same time. When a shower does hit, regulars describe it as warm rain that dries quickly once the sun reappears. The sea sits at a warm, swimmable 27.4C. The record: 10.4 hours of sun, a 21.9 kph wind and AQI 36.
DrierThanMayColdSeasonStartsInJuly · June · 1 month ago · Read more on Tripadvisor ↗
September here is described as fine weather with the occasional short shower, and notably not as hot as the rest of the year. Our rain figures say exactly that, in a way either number alone would hide: 44.8mm spread across 15.2 days is about three millimetres on each day it rains - frequent, brief, and not a reason to change a plan. Air is 28.7C but reads as 32C at 77.4 percent humidity, and the nights hold 22.6C. The sea is 26.6C. The caveat regulars add is about conditions rather than weather: it is windy now, 18.4 kph, so the water turns choppy and visibility drops - a better month for the beach than for diving. The record: 10.8 hours of sun and AQI 35.
ShortShowersChoppyWater · September · 1 month ago · Read more on Tripadvisor ↗
Mombasa-forum threads on October weather call it genuinely good overall, comfortable temperatures in the 20s Celsius and posters describing conditions as easy t-shirt weather most days. Early October sits at the tail of the region's short-rains window, so a mixed pattern of cloud, brief showers and real sunshine is typical rather than a defining downpour - rain tends to pass through quickly, followed by a longer stretch of clear sky. Regulars call this one of the more reliable months on the coast, decent weather without either the peak heat or the heavier rains bracketing it. The record actually runs wetter than the forum's "rain at its lowest" framing suggests, a reminder that short-rains totals can add up even when individual showers feel brief and forgettable. The record: 29.5C days feeling like a sticky 34C, 23.8C nights, a notably high 95mm across 15.7 days, a 27.3C sea, 78 percent humidity and 10.7 hours of sun.
DianiBeachOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗
Asked to be honest about August, Mombasa regulars call it gorgeous - sunbathing weather with hardly any rain, often just the one day of warm rain across a stay. Our row looks like it flatly disagrees at 15.9 precipitation days, until you read the other number: 38.9mm across all of them, about two millimetres a wet day. The dataset is counting showers the forum does not bother to mention. What they do flag is that July and August are Kenya's winter - on this tropical coast that means warm humid days at 28.2C but evenings some visitors found genuinely cool, so a shawl or a light sweater earns its place - and that the sea gets choppy and cloudy now, so it is a better safari month than a snorkelling one. The record: 21.9C nights, humidity 78 percent, a 25.9C sea and AQI 36.
SixteenWetDaysThirtyNineMil · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Mombasa's card on the map.

Mombasa climate normals — July

Daytime high28°C / 83°F🥵 hot
Nighttime low22°C / 71°F
Feels like (high)30°C / 86°F
Sea temperature26°C / 80°F😎 warm sea
Rainfall40 mm / 1.6 in🌦 some rain
Rainy days15 days
Humidity78%💦 very humid
Dew point21°C / 70°F
Sunshine10.7 h/day
Daylight11.9 h
Wind22 km/h / 14 mph
Air quality (US AQI)34🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Mombasa in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonschool holidays in 5 of the markets that fill it, an ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Mombasa's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherMombasa's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Mombasa in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Green turtle nesting

    1 Mar – 31 Jul · usually

    Green turtles come up the beaches at Watamu and Diani through the middle of the year, and the local conservation groups move nests above the tide line and post the hatchings when they happen.

  • Season

    Kusi, the cool monsoon

    15 Jun – 30 Sep · usuallyWind season

    The southeast monsoon blows steadily and takes the edge off the whole coast. Rougher water, cheaper rooms, and the kite crowd out on Diani an hour to the south.

What's on around the world in July →

Nearby, and something's on

Within 300 km of Mombasa — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Mombasa?

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Mombasa in July — FAQ

Is July a good time to visit Mombasa?
July in Mombasa: hot, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Mombasa on SeasonMap's comfort score (90/100).
What is the weather like in Mombasa in July?
In July, Mombasa averages a daily high of 28.2°C and a low of 21.8°C, with about 39.9 mm of rain over roughly 14.9 rainy days.
What is the air quality in Mombasa in July?
Mombasa has a mean US Air Quality Index of about 34 in July.

Within 300 km: Zanzibar's Mwaka Kogwa around 15–31 Jul, and Lamu's Maulidi around 15 Jul – 30 Sep.