Historical weather data, all-time temperature records, and monthly climate averages for Palm Harbor, FL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th sits right in Palm Harbor's sweet spot — 132 years of data put the average high at 81° with just a 20% chance of rain. This date has seen some wild swings, though: a scorching 92° as recently as 2025, and a jarring 37° back in 1987.
Palm Harbor plays it warm but doesn't mess around when extremes hit — the thermometer has touched as low as 19° (January 1981) and as high as 102° (July 1997). The wettest single day on record dumped a staggering 11.72 inches on June 24, 2012.
Summer owns this place: highs hover around 90-91° from June through August, with late July into early August being the wettest stretch of the year. Winter is mild rather than cold — even the coolest week of the year (early January) averages a high of 70°. If you're avoiding heat and humidity, spring and fall are your windows.