Climate Overview
The climate in Greenville is hot. The average annual temperature is 26°C and approximately 3015mm of precipitation falls per year. Greenville receives a notable amount of rainfall throughout the year, including during its driest month. Greenville sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Greenville has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Greenville is a very wet location, receiving approximately 3015mm of precipitation annually, which averages out to around 251mm per month. The wettest month is September, averaging 590mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 91mm. That's 499mm less than September, 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
Greenville is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
92 days until Autumn
It is currently summer in Greenville, which began on June 21, 2026. Greenville sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 29°C, while the coldest stretch bottoms out in August near 24°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 695mm across the season with a monthly average of 232mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 27°C. Rainfall is heavy, totalling around 963mm across the season with a monthly average of 321mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1026mm across the season with a monthly average of 342mm. Winds are generally light, averaging 3km/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 331mm across the season with a monthly average of 110mm. 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 Greenville 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.
