Weather in Clearwater in February 2018. Expect 21Â°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Clearwater in February. Check more long-term weather averages for Clearwater in February before you book your next holiday to Florida in 2018. 1  Clearwater weather overview. 2  Clearwater monthly weather. 3  Clearwater 5-day forecast. 4  Florida holidays. 5  Florida map. 6  More destinations. 7  Back to Florida.