 Being a valley, Caguas has the distinction of being relatively flat except near the borders with all the mentioned municipalities except Gurabo.The climate is classified as a Tropical monsoon climate, meaning the daily mean temperature from month to month is never less than 64.4 °F (18 °C), and there is a distinct wet and dry season.Rainfall is common in relative abundance throughout most of the year, although there is less rain than in the eastern coastal valleys.