Climate Insights for Mombasa

The climate in Mombasa is hot. The average annual temperature is 27°C and approximately 1021mm of precipitation falls per year. May is the wettest month, receiving around 224mm of rainfall. Mombasa sits near the equator, so seasonal temperature differences are minimal throughout the year.

Mombasa has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is February, when average highs reach 32°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Mombasa is a moderately rainy area, receiving approximately 1021mm of precipitation annually, which averages out to around 85mm per month. The wettest month is May, averaging 224mm of rainfall. April and November also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 211mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Mombasa is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 18km/h in spring, 19km/h in summer, 20km/h in autumn.

It is currently autumn in Mombasa, which began on March 20, 2026. Mombasa sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 32°C, while the coldest stretch bottoms out in August near 22°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

The best time to visit Mombasa is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 62mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 32°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Mombasa based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.