Mombasa in August

In August, Mombasa averages 27°C (80°F) during the day and 23°C (73°F) at night, with frequent rain — about 29 days of the month see precipitation (59 mm total).

Shoulder

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

August offers comfortable temperatures in Mombasa, with some rain to plan around.

27°C
Avg high
23°C
Avg low
29
Rain days
59 mm
Rainfall

How August compares to the rest of the year in Mombasa

11th
warmest month of the 12
4th
wettest month of the 12
5%
of yearly rainfall falls in August
11 h 59 min
daylight on the 15th

August is one of the coolest months in Mombasa (11th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 2°C below the annual average (29°C). August runs roughly the same as July (26°C) and warms a further 1°C into September (27°C).

August sunrise & sunset in Mombasa

🌅
Sunrise (15th)
6:26 AM
🌇
Sunset (15th)
6:25 PM
Day length
11 h 59 min

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

Photography light in Mombasa — August

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

🌅 Blue hour (AM)
5:26 AM – 6:06 AM
🌄 Golden hour (AM)
6:06 AM – 7:06 AM
🌇 Golden hour (PM)
5:45 PM – 6:45 PM
🌆 Blue hour (PM)
6:45 PM – 7:25 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 — Mombasa in August

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 August's tier (Shoulder) and Mombasa'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 — August in Mombasa

Shoulder

Mombasa 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 — August in Mombasa

☀️ UV Index (noon, 15th)
12.2
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.

Sea temperature in Mombasa — August

26.3°C (79°F)
bath-warm
tropical and comfortable for hours

Across the year Mombasa's sea swings from 26.3°C (August) to 29.5°C (March) — August sits at 26.3°C.

Mombasa in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 30°C / 87°F 25°C / 77°F 23 mm 18
February 31°C / 87°F 25°C / 77°F 16 mm 18
March 31°C / 87°F 26°C / 78°F 79 mm 25
April 29°C / 85°F 25°C / 77°F 230 mm 30
May 28°C / 82°F 24°C / 76°F 251 mm 29
June 27°C / 80°F 24°C / 75°F 93 mm 27
July 26°C / 79°F 23°C / 73°F 79 mm 29
August 27°C / 80°F 23°C / 73°F 59 mm 29
September 27°C / 81°F 23°C / 74°F 69 mm 27
October 28°C / 83°F 24°C / 75°F 94 mm 28
November 29°C / 84°F 24°C / 76°F 126 mm 29
December 30°C / 86°F 25°C / 77°F 89 mm 25

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Mombasa in August →

Frequently asked questions

How hot is Mombasa in August?

In August, Mombasa averages a high of 27°C (80°F) and a low of 23°C (73°F) — generally warm.

Does it rain a lot in Mombasa in August?

August is quite rainy in Mombasa, with about 29 rainy days on average.

Is August a good time to visit Mombasa?

August 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 Mombasa in August?

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

Open Mombasa on the interactive map

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