Climate Insights for São Luís de Montes Belos

The climate in São Luís de Montes Belos is warm and mild. The average annual temperature is 24°C and approximately 17mm of precipitation falls per year. January is the wettest month, receiving around 9mm of rainfall. São Luís de Montes Belos is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: December, June, November. The coldest months are April, March, October, when temperatures can drop to 14°C.

Temperatures in São Luís de Montes Belos vary considerably across the year, with a 24°C difference between the coldest and warmest months. December is the hottest month, with daytime highs reaching 38°C and an average of 31°C. April is the coolest month, with minimum temperatures around 14°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.

São Luís de Montes Belos is a quite dry location, receiving approximately 17mm of precipitation annually, which averages out to around 1mm per month. The wettest month is January, averaging 9mm of rainfall. September and October also tend to see above-average precipitation. The driest month is June, with just 0mm. 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.

São Luís de Montes Belos is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in São Luís de Montes Belos, which began on June 21, 2026. São Luís de Montes Belos is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in December at around 38°C, while the coldest stretch bottoms out in April near 14°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit São Luís de Montes Belos is during January, February, March, April, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 2mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 38°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for São Luís de Montes Belos 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.