Climate Overview
The climate in Heiweni is warm and mild. The average annual temperature is 20°C and approximately 4576mm of precipitation falls per year. Heiweni receives a notable amount of rainfall throughout the year, including during its driest month. Heiweni sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Heiweni has relatively stable temperatures year-round, staying within a 9°C range. December is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. July is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Heiweni is a very wet location, receiving approximately 4576mm of precipitation annually, which averages out to around 381mm per month. The wettest month is April, averaging 485mm of rainfall. March and September also tend to see above-average precipitation. The driest month is July, with just 283mm. That's 202mm less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Heiweni is relatively calm, with an average annual wind speed of 4km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
87 days until Summer
It is currently spring in Heiweni, which began on September 23, 2026. Heiweni 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 25°C, while the coldest stretch bottoms out in July near 16°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 16 to 25°C. Rainfall is heavy, totalling around 1246mm across the season with a monthly average of 415mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 25°C. Rainfall is heavy, totalling around 1055mm across the season with a monthly average of 352mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 25°C. Rainfall is heavy, totalling around 1336mm across the season with a monthly average of 445mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 939mm across the season with a monthly average of 313mm. Winds are generally light, averaging 4km/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 Heiweni 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.
