Climate Overview
The climate in Annobon Airport is hot. The average annual temperature is 26°C and approximately 970mm of precipitation falls per year. December is the wettest month, receiving around 189mm of rainfall. Annobon Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Annobon Airport 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 23°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows. The sharpest temperature change occurs between May and June, with a 2°C shift in average temperatures.
Precipitation
Annobon Airport is a moderately rainy area, receiving approximately 970mm of precipitation annually, which averages out to around 81mm per month. The wettest month is December, averaging 189mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 186mm less than December, 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
Annobon Airport is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 12km/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 18km/h in winter, 19km/h in spring, 13km/h in summer, 15km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Annobon Airport, which began on September 23, 2026. Annobon Airport 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. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 24 to 26°C. Rainfall is relatively light, with around 135mm over the season and a monthly average of 45mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 471mm across the season with a monthly average of 157mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 350mm across the season with a monthly average of 117mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 25°C. Precipitation is minimal, with only around 14mm for the entire season. Winds are moderate at around 18km/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 Annobon Airport is during June, 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 5mm 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 Annobon Airport 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.
