Climate Overview
The climate in Serui is hot. The average annual temperature is 27°C and approximately 3994mm 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 3°C between highs and lows.
Precipitation
Serui is a very wet location, receiving approximately 3994mm of precipitation annually, which averages out to around 333mm per month. The wettest month is June, averaging 386mm of rainfall. April and March also tend to see above-average precipitation. The driest month is January, with just 293mm. That's 93mm 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 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
89 days until Spring
It is currently winter in Serui, which began on June 21, 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. Spring is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 928mm across the season with a monthly average of 309mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 937mm across the season with a monthly average of 312mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 1089mm across the season with a monthly average of 363mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 1041mm across the season with a monthly average of 347mm. Winds are generally light, averaging 2km/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.
