Guaynabo, Puerto Rico experiences a warm climate year-round. Winters are mild, with temperatures ranging from the mid-70s to low 80s Fahrenheit in January and February, gradually increasing into the spring season. Spring is characterized by consistent high temperatures, averaging around 26°C (79°F), while summers are hot, with July and August seeing highs often reaching the mid-90s Fahrenheit. Autumn brings a slight cooling trend, but temperatures remain warm, typically between the mid-70s to low 80s Fahrenheit from September to November. The coolest months are January and February, but even then, temperatures rarely drop below 75°F (24°C).