Climate Overview
The climate in Gorontalo / Jalaluddin is hot. The average annual temperature is 27°C and approximately 1647mm of precipitation falls per year. Gorontalo / Jalaluddin receives a notable amount of rainfall throughout the year, including during its driest month. Gorontalo / Jalaluddin sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Gorontalo / Jalaluddin has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is December, when average highs reach 29°C and the mean temperature sits around 27°C. September 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
Gorontalo / Jalaluddin is a fairly wet location, receiving approximately 1647mm of precipitation annually, which averages out to around 137mm per month. The wettest month is June, averaging 204mm of rainfall. May and April also tend to see above-average precipitation. The driest month is August, with just 66mm. That's 138mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Gorontalo / Jalaluddin is mildly breezy, with an average annual wind speed of 16km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 14km/h in winter, 13km/h in spring, 19km/h in summer, 17km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Gorontalo / Jalaluddin, which began on March 20, 2026. Gorontalo / Jalaluddin 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 29°C, while the coldest stretch bottoms out in September near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 503mm across the season with a monthly average of 168mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 437mm across the season with a monthly average of 146mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 336mm across the season with a monthly average of 112mm. Winds are moderate at around 17km/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 371mm across the season with a monthly average of 124mm. Winds are generally light, averaging 14km/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 Gorontalo / Jalaluddin 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.
