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Port Saint Lucie (FL) Weather and Climate: A Comprehensive Guide

The temperature in Port Saint Lucie varies moderately throughout the year. The temperatures shift from very warm to warm. It also experiences much rainfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The weather in Port Saint Lucie changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a very warm 33°C in August. In January, the coolest month of the year, temperatures drop to a comfortable 23°C.

At night, you can expect cooler temperatures, with averages dropping to around 12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Port Saint Lucie has a relatively rainy climate with high precipitation levels, averaging 1270 mm of rainfall annually. Port Saint Lucie can be quite wet during August, receiving approximately 206 mm of precipitation over 23 rainy days.

In contrast February, experiences much drier conditions, with 52 mm of rainfall, spread across 7 rainy days. For more details, please visit our Port Saint Lucie Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Port Saint Lucie (FL)

Sat   Jan 11
19°C | 10°C
W 4 m/s
0.3 mm
broken clouds and slight rain

broken clouds and slight rain

Sun   Jan 12
18°C | 7°C
N 3 m/s
clear and no rain

clear and no rain

Mon   Jan 13
23°C | 9°C
E 3 m/s
broken clouds and no rain

broken clouds and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Port Saint Lucie in the United States of America

During the months of January, February, March, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Port Saint Lucie?
    Most rainfall (rainy season) is seen in July, August and September.
  • Which is the warmest month in Port Saint Lucie?
    August has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Port Saint Lucie?
    The coldest month is January with an average maximum temperature of 23°C.
  • Which is the wettest month in Port Saint Lucie?
    August tops the wettest month list with 206 mm of rainfall.
  • Which is the driest month in Port Saint Lucie?
    February is the driest month with 52 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.