Altamira's weather is characterized by a relatively stable and warm climate throughout the year, with temperatures rarely dipping below 20°C. The summer months of January to March bring average highs around 33°C, while the winter months of June to August see slightly cooler temperatures, but still pleasant with average highs in the mid-30s. Autumn (April to May) and spring (September to November) are marked by rising and falling temperatures, respectively, but remain mild and warm overall. The diurnal temperature range is relatively small, indicating that temperatures do not fluctuate significantly between day and night. Overall, Altamira's climate is ideal for outdoor activities throughout the year.