Climate Overview
The climate in Bima is hot. The average annual temperature is 27°C and approximately 2114mm of precipitation falls per year. February is the wettest month, receiving around 402mm of rainfall. Bima sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Bima has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is October, when average highs reach 32°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Bima is a very wet location, receiving approximately 2114mm of precipitation annually, which averages out to around 176mm per month. The wettest month is February, averaging 402mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 392mm 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
Bima is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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 9km/h in winter, 7km/h in spring, 6km/h in summer, 6km/h in autumn.
Seasons
3 days until Spring
It is currently winter in Bima, which began on June 21, 2026. Bima 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 32°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 314mm across the season with a monthly average of 105mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 1146mm across the season with a monthly average of 382mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 573mm across the season with a monthly average of 191mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 30°C. Rainfall is relatively light, with around 80mm over the season and a monthly average of 27mm. Winds are generally light, averaging 9km/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 Bima 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.
