Climate Overview
The climate in Apía is warm and mild. The average annual temperature is 20°C and approximately 12120mm of precipitation falls per year. Apía receives a notable amount of rainfall throughout the year, including during its driest month. Apía sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Apía has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 25°C and the mean temperature sits around 20°C. September is the coolest month, with minimum temperatures around 16°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Apía is a very wet location, receiving approximately 12120mm of precipitation annually, which averages out to around 1010mm per month. The wettest month is July, averaging 1550mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 562mm. That's 987mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Apía is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Apía, which began on June 21, 2026. Apía 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 25°C, while the coldest stretch bottoms out in September near 16°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 17 to 25°C. Rainfall is heavy, totalling around 3152mm across the season with a monthly average of 1051mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 4364mm across the season with a monthly average of 1455mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 2631mm across the season with a monthly average of 877mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 25°C. Rainfall is heavy, totalling around 1973mm across the season with a monthly average of 658mm. Winds are generally light, averaging 1km/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 Apía 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.
