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Kenya

Mombasa

Sun, sea & sand

Mombasa at a glance

Best time
Oct – Feb
Warmest month
Feb · 33°
Warmest sea
Apr · 29.0°
Sunshine a year
2,670 h
Rain a year
940 mm
Climate
Tropical
Time zone
UTC+3
Elevation
20 m

Climate in Mombasa

Mombasa has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. February is the warmest month with average highs of 33 °C, while July is the coolest at 27 °C. With around 2,670 hours of sunshine a year, Mombasa is sunny; December is the sunniest month with 8.2 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

76

Holiday weather in October

Good

Best time to visit: October – February

A typical day in October

  1. Morning, 08:00: about 25°
  2. Midday, 13:00: about 29°
  3. Afternoon, 16:00: about 28°
  4. Evening, 20:00: about 26°
  5. Night, 23:00: about 25°

06:0118:13

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

What is the weather like in Mombasa in October?

In October, Mombasa is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 26.6 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 17 days, totalling 92 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Mombasa.

More details for October

Daylight
12 h 11 min06:01 – 18:13
UV index
14 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or more
Wind
18 km/haverage daily peak
Cloud cover
49 %on average
Hot days
5 days30 °C or more
Time zone
UTC+3Africa/Nairobi

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %73 %
  • Few rainy daysweight 20 %6 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella
Swimming calendar

Sea temperature in Mombasa

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October26.6°Cwarm

8 in 10 years: 26.2 – 27.1 °C

Swimming season: All year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 26.6°8 in 10 years 26.2° – 27.1°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Mombasa ranges from 25.5 °C in August to 29.0 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea warms up slowly: it is warmest in April, while the air already peaks in February. The sea temperature varies from year to year: in April, eight out of ten years were between 28.3 and 29.6 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan27.7°26.9°28.2°warm
FebruaryFeb28.0°27.4°28.6°warm
MarchMar28.9°28.2°29.7°warm
AprilApr29.0°28.3°29.6°very warm
MayMay27.9°27.4°28.4°warm
JuneJun26.9°26.4°27.3°warm
JulyJul25.8°25.4°26.2°pleasant
AugustAug25.5°25.1°25.9°pleasant
SeptemberSep25.8°25.5°26.2°pleasant
OctoberOct26.6°26.2°27.1°warm
NovemberNov27.6°27.2°28.1°warm
DecemberDec28.1°27.6°28.6°warm
Sunshine

Sunshine hours in Mombasa

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,670 hours
Sunniest month
Dec · 8.2 h a day
Least sunshine
May · 6.1 h a day
OctoberSunshine 7.4 hDaylight 12.2 hShare of daylight 61 %
SunshineDaylight

In October, the sun shines for about 7.4 of 12.2 hours of daylight in Mombasa, 61 % of the day.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Mombasa

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
14 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in March (UV 14).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 10 min
Light brown skin
about 15 min
Olive skin
about 20 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Rain

Rain in Mombasa: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
940 mm on 197 days
Wettest month
May · 190 mm
Driest month
Feb · 15 mm
OctoberRainy days 17Rainfall 92 mm

In October, Mombasa has about 17 rainy days with 92 mm of rain in total.

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 29°Night 23°Sea 27°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan9132°25°27.7°8.0 h524
FebruaryFeb8933°25°28.0°8.0 h315
MarchMar7532°25°28.9°7.5 h1454
AprilApr7130°25°29.0°6.3 h24148
MayMay7028°24°27.9°6.1 h23190
JuneJun7327°23°26.9°6.9 h2196
JulyJul7427°22°25.8°7.1 h2070
AugustAug7427°22°25.5°7.3 h2059
SeptemberSep7528°23°25.8°7.5 h1854
OctoberOct7629°23°26.6°7.4 h1792
NovemberNov7630°24°27.6°7.6 h1877
DecemberDec8231°24°28.1°8.2 h1461

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)

4.05° S, 39.66° E · 20 m · Africa/Nairobi

Best time to visit

Best time to visit Mombasa

The best time to visit Mombasa is from October to February. For a beach holiday with the sea above 21 °C, go from January to February. Rain is most frequent from March to December; the wettest month is May with 190 mm.

Mombasa through the seasons

How the weather changes over the seasons, with averages for each.

Mombasa in the dry season

Jan – Feb

90

Excellent

  • 32–33 °C by day
  • Sea 28 °C
  • 8 h of sun a day
  • 8 rainy days in all

Mombasa in the rainy season

Mar – Dec

75

Good

  • 27–32 °C by day
  • Sea 27 °C
  • 7 h of sun a day
  • 189 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Mombasa for you.

Swimming in the sea
Sunshine
Little rain

Your best months: January, September – October

Based on the climate averages; tap a month to see its details.

Which month for what?

Beach & swimming

Jan – Feb

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

Mar – Dec

12 or more rainy days

Mombasa month by month

The typical weather for every month at a glance.

91January32° · Sea 28° · 8 h

In January, Mombasa is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 24 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Mombasa.

Mombasa in January
89February33° · Sea 28° · 8 h

In February, Mombasa is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 15 mm in total. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Mombasa.

Mombasa in February
75March32° · Sea 29° · 8 h

In March, Mombasa is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 14 days, totalling 54 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Mombasa.

Mombasa in March
71April30° · Sea 29° · 6 h

In April, Mombasa is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 148 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Mombasa.

Mombasa in April
70May28° · Sea 28° · 6 h

In May, Mombasa is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 190 mm. The air is often humid and muggy. All in all, May is a good month for a holiday in Mombasa.

Mombasa in May
73June27° · Sea 27° · 7 h

In June, Mombasa is hot: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 21 days, totalling 96 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Mombasa.

Mombasa in June
74July27° · Sea 26° · 7 h

In July, Mombasa is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.8 °C – pleasant for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 20 days, totalling 70 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Mombasa.

Mombasa in July
74August27° · Sea 26° · 7 h

In August, Mombasa is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.5 °C – pleasant for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 20 days, totalling 59 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Mombasa.

Mombasa in August
75September28° · Sea 26° · 8 h

In September, Mombasa is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 25.8 °C – pleasant for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 18 days, totalling 54 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Mombasa.

Mombasa in September
76October29° · Sea 27° · 7 h

In October, Mombasa is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 26.6 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 17 days, totalling 92 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Mombasa.

Mombasa in October
76November30° · Sea 28° · 8 h

In November, Mombasa is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 18 days, totalling 77 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Mombasa.

Mombasa in November
82December31° · Sea 28° · 8 h

In December, Mombasa is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 14 days, totalling 61 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Mombasa.

Mombasa in December
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Mombasa vs. Diani Beach

In October the holiday weather in Mombasa and Diani Beach is about equally good (score 76 vs. 76). During the day Diani Beach is 1 °C cooler than Mombasa. The sea is about equally warm.

Mombasa vs. Diani Beach, in October
in OctoberMombasaDiani Beach
Holiday score7676
Daytime high29°28°
Sea27°27°
Sunshine7 h7 h
Rainy days1717
Best timeOct – FebDec – Mar

Through the year

OctoberMombasa 29°Diani Beach 28°
MombasaDiani Beach
Go to Diani Beach
Ranking

Kenya in October: the best places

In October, Mombasa ranks 1 of 2 destinations in this country.

  1. MombasaThis page29°27°76
  2. 2Diani Beach28°27°76
All destinations: Kenya

Planning a trip to Mombasa

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Getting there

Flying from

Nonstop flight
about 9 h 15 min
Distance
7,250 km
Time zone
UTC+3

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Frequently asked questions about Mombasa

When is the best time to visit Mombasa?

The best time to visit Mombasa is from October to February. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Mombasa?

The sea temperature in Mombasa ranges from 25.5 °C in August to 29.0 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Mombasa in October?

Yes. In October the sea averages 26.6 °C – lovely and warm for swimming.

What is the warmest month in Mombasa?

February is the warmest month, with average highs of 33 °C and nights around 25 °C. July is the coolest month at 27 °C.

When does it rain most in Mombasa?

Rain is most frequent from March to December; the wettest month is May with 190 mm. The driest month is February with 15 mm.

How many hours of sunshine does Mombasa get?

Mombasa gets around 2,670 hours of sunshine a year. The sunniest month is December with 8.2 hours a day; in May there are 6.1 hours a day.

What time zone is Mombasa in?

Mombasa uses the time zone Africa/Nairobi, at UTC+3 all year.

How long is the flight from London to Mombasa?

A nonstop flight from London to Mombasa takes about 9 h 15 min, for a straight-line distance of about 7,250 km.

Near Mombasa

Other destinations close by.

Places with a climate like Mombasa

Destinations whose weather through the year is closest to Mombasa's – good alternatives.

  1. 60% similar75Malé, MaldivesMaldives28°29°Best time: Jan – Apr
  2. 58% similar67Langkawi (Kuah)Malaysia29°30°Best time: Dec – Apr
  3. 57% similar66NegomboSri Lanka29°28°Best time: Dec – Mar
  4. 56% similar64Khao LakThailand28°29°Best time: Dec – Mar