Climate Overview
The climate in Serui is hot. The average annual temperature is 27°C and approximately 3910mm of precipitation falls per year. Serui receives a notable amount of rainfall throughout the year, including during its driest month. Serui sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Serui has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is November, when average highs reach 29°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Serui is a very wet location, receiving approximately 3910mm of precipitation annually, which averages out to around 326mm per month. The wettest month is June, averaging 354mm of rainfall. December and July also tend to see above-average precipitation. The driest month is October, with just 273mm. That's 81mm less than June, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Serui is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 10km/h in spring, 12km/h in summer, 11km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Serui, which began on March 20, 2026. Serui sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 29°C, while the coldest stretch bottoms out in July near 25°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 883mm across the season with a monthly average of 294mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 986mm across the season with a monthly average of 329mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 1008mm across the season with a monthly average of 336mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 1032mm across the season with a monthly average of 344mm. Winds are generally light, averaging 9km/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 Serui 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.
