Climate Overview
The climate in Ambon is hot. The average annual temperature is 27°C and approximately 2215mm of precipitation falls per year. Ambon receives a notable amount of rainfall throughout the year, including during its driest month. Ambon sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Ambon has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Ambon is a very wet location, receiving approximately 2215mm of precipitation annually, which averages out to around 185mm per month. The wettest month is May, averaging 304mm of rainfall. June and July also tend to see above-average precipitation. The driest month is October, with just 84mm. That's 220mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Ambon 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 July, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 21km/h in winter, 13km/h in spring, 18km/h in summer, 14km/h in autumn.
Seasons
3 days until Spring
It is currently winter in Ambon, which began on June 21, 2026. Ambon sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in December at around 28°C, while the coldest stretch bottoms out in August near 25°C. Spring is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 315mm across the season with a monthly average of 105mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 469mm across the season with a monthly average of 156mm. Winds are moderate at around 18km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 725mm across the season with a monthly average of 242mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 706mm across the season with a monthly average of 235mm. Winds are moderate at around 21km/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 Ambon 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.
