Climate Overview
The climate in Port-Gentil is hot. The average annual temperature is 26°C and approximately 1885mm of precipitation falls per year. January is the wettest month, receiving around 330mm of rainfall. Port-Gentil sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Port-Gentil has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Port-Gentil is a fairly wet location, receiving approximately 1885mm of precipitation annually, which averages out to around 157mm per month. The wettest month is January, averaging 330mm of rainfall. November and December also tend to see above-average precipitation. The driest month is July, with just 15mm. That's 314mm less than January, 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
Port-Gentil 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 September, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/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 5km/h in winter, 4km/h in spring, 3km/h in summer, 3km/h in autumn.
Seasons
93 days until Spring
It is currently winter in Port-Gentil, which began on June 21, 2026. Port-Gentil 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 28°C, while the coldest stretch bottoms out in July near 23°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 24 to 27°C. Rainfall is heavy, totalling around 532mm across the season with a monthly average of 177mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 804mm across the season with a monthly average of 268mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 495mm across the season with a monthly average of 165mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 25°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Port-Gentil is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 18mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Port-Gentil 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.
