Calasiao, Philippines has a relatively constant temperature throughout the year, with minimal seasonal variation. Daytime temperatures often reach highs of around 32-37°C, while nighttime temperatures range from 10-17°C. The warmest months are typically May and June, with averages around 26-27°C, but even in these periods, temperatures rarely drop below 15°C or exceed 35°C for an extended period. The cooler months occur in January and December, with slightly lower averages of 22°C. Overall, the temperature remains relatively stable throughout the year, with slight fluctuations between warm and mild conditions.