Climate Insights for Boi

The climate in Boi is hot. The average annual temperature is 26°C and approximately 643mm of precipitation falls per year. August is the wettest month, receiving around 206mm of rainfall. Boi sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperatures in Boi vary considerably across the year, with a 21°C difference between the coldest and warmest months. March is the hottest month, with daytime highs reaching 37°C and an average of 30°C. January is the coolest month, with minimum temperatures around 16°C and an average of 23°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 4°C shift in average temperatures.

Boi is a relatively dry area, receiving approximately 643mm of precipitation annually, which averages out to around 54mm per month. The wettest month is August, averaging 206mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 206mm less than August, 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.

Boi is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 16km/h in winter, 13km/h in spring, 11km/h in summer, 11km/h in autumn.

It is currently spring in Boi, which began on March 20, 2026. Boi sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 37°C, while the coldest stretch bottoms out in January near 16°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Boi is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 0mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 37°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Boi 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.