Climate Insights for Mombasa

The climate in Mombasa is hot. The average annual temperature is 26°C and approximately 675mm of precipitation falls per year. April is the wettest month, receiving around 232mm of rainfall. Mombasa sits near the equator, so seasonal temperature differences are minimal throughout the year.

Mombasa sees moderate temperature variation throughout the year, ranging from 22°C to 33°C. The warmest month is March, when average highs reach 33°C and the mean temperature sits around 29°C. August is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Mombasa is a relatively dry area, receiving approximately 675mm of precipitation annually, which averages out to around 56mm per month. The wettest month is April, averaging 232mm of rainfall. November and May also tend to see above-average precipitation. The driest month is February, with just 15mm. That's 217mm less than April, 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 relatively calm, with an average annual wind speed of 4km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Mombasa, which began on June 21, 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 March at around 33°C, while the coldest stretch bottoms out in August near 22°C. Spring is next, beginning on September 23, 2026 — 51 days from now.

The best time to visit Mombasa is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 40mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 33°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.