Climate Overview
The climate in Banjar is warm and mild. The average annual temperature is 22°C and approximately 3582mm of precipitation falls per year. Banjar receives a notable amount of rainfall throughout the year, including during its driest month. Banjar sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Banjar has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is May, when average highs reach 27°C and the mean temperature sits around 23°C. August is the coolest month, with minimum temperatures around 18°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Banjar is a very wet location, receiving approximately 3582mm of precipitation annually, which averages out to around 299mm per month. The wettest month is November, averaging 499mm of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 87mm. That's 412mm less than November, 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
Banjar 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 January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 6km/h in winter, 6km/h in spring, 8km/h in summer, 6km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Banjar, which began on March 20, 2026. Banjar sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 27°C, while the coldest stretch bottoms out in August near 18°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 18 to 26°C. Rainfall is heavy, totalling around 981mm across the season with a monthly average of 327mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 26°C. Rainfall is heavy, totalling around 1229mm across the season with a monthly average of 410mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 1035mm across the season with a monthly average of 345mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 26°C. Rainfall is heavy, totalling around 337mm across the season with a monthly average of 112mm. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Banjar is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 88mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 27°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Banjar 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.