Climate Overview
The climate in Gresik is hot. The average annual temperature is 28°C and approximately 1864mm of precipitation falls per year. February is the wettest month, receiving around 303mm of rainfall. Gresik sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Gresik has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is October, when average highs reach 30°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 26°C and an average of 28°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Gresik is a fairly wet location, receiving approximately 1864mm of precipitation annually, which averages out to around 155mm per month. The wettest month is February, averaging 303mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 293mm less than February, 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
Gresik is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 17km/h in winter, 16km/h in spring, 19km/h in summer, 15km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Gresik, which began on March 20, 2026. Gresik sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 30°C, while the coldest stretch bottoms out in August near 26°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 860mm across the season with a monthly average of 287mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 557mm across the season with a monthly average of 186mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 30°C. Rainfall is relatively light, with around 106mm over the season and a monthly average of 35mm. Winds are moderate at around 17km/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 Gresik 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.
