Climate Overview
The climate in Biao is hot. The average annual temperature is 26°C and approximately 2579mm of precipitation falls per year. Biao receives a notable amount of rainfall throughout the year, including during its driest month. Biao sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Biao sees moderate temperature variation throughout the year, ranging from 21°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Biao is a very wet location, receiving approximately 2579mm of precipitation annually, which averages out to around 215mm per month. The wettest month is September, averaging 474mm of rainfall. October and June also tend to see above-average precipitation. The driest month is March, with just 33mm. That's 441mm 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
Biao is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 1km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
52 days until Autumn
It is currently summer in Biao, which began on June 21, 2026. Biao 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 33°C, while the coldest stretch bottoms out in January near 21°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 22 to 33°C. Rainfall is heavy, totalling around 374mm across the season with a monthly average of 125mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 703mm across the season with a monthly average of 234mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 1148mm across the season with a monthly average of 383mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 354mm across the season with a monthly average of 118mm. 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 Biao 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.
