Climate Overview
The climate in Merauke is hot. The average annual temperature is 27°C and approximately 1933mm of precipitation falls per year. Merauke receives a notable amount of rainfall throughout the year, including during its driest month. Merauke sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Merauke has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is November, when average highs reach 29°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Merauke is a fairly wet location, receiving approximately 1933mm of precipitation annually, which averages out to around 161mm per month. The wettest month is March, averaging 412mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 32mm. That's 380mm less than March, 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
Merauke is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/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 7km/h in winter, 6km/h in spring, 4km/h in summer, 5km/h in autumn.
Seasons
91 days until Spring
It is currently winter in Merauke, which began on June 21, 2026. Merauke 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 August near 24°C. Spring is next, beginning on September 23, 2026 — 91 days from now.
Spring
Temperatures range from 25 to 29°C. Precipitation is moderate at around 170mm for the season, averaging 57mm per month. Winds are generally light, averaging 6km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 802mm across the season with a monthly average of 267mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 819mm across the season with a monthly average of 273mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 142mm over the season and a monthly average of 47mm. Winds are generally light, averaging 7km/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 Merauke 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.
