April in St. Petersburg averages a daily high of 27.5°C with nights around 20°C. Expect roughly 4.9 wet days totalling 45.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit St. Petersburg is November–April.
Based on ST PETERSBURG ALBERT WHITTED AIRPORT, FL US (5.3km), 1995–2024. 25 years of April data.