Climate Overview
The climate in Lamu is hot. The average annual temperature is 27°C and approximately 795mm of precipitation falls per year. May is the wettest month, receiving around 243mm of rainfall. Lamu sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Lamu has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Lamu is a relatively dry area, receiving approximately 795mm of precipitation annually, which averages out to around 66mm per month. The wettest month is May, averaging 243mm of rainfall. April and November also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 242mm 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.
Wind
Lamu is moderately windy, with an average annual wind speed of 27km/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 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in November, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 31km/h in winter, 24km/h in spring, 27km/h in summer, 26km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Lamu, which began on March 20, 2026. Lamu 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 29°C, while the coldest stretch bottoms out in August near 24°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 28°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 29°C. Precipitation is minimal, with only around 28mm for the entire season. Winds are strong, averaging 27km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 421mm across the season with a monthly average of 140mm. Winds are strong, averaging 26km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Precipitation is moderate at around 167mm for the season, averaging 56mm per month. Winds are strong, averaging 31km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Lamu 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.
