Port St. Lucie, Florida offers a fascinating blend of weather patterns throughout the year. Located in the northern hemisphere, this city experiences a humid subtropical climate, characterized by hot, damp summers and mild winters.
Residents and visitors enjoy an average of 238 sunny days per year, which is higher than the US average of 205 sunny days.
The warmest month of the year is August, with temperatures averaging around 81.4°F.
On the other hand, January is the coldest month, with an average temperature of 64.5°F.
For those who prefer calmer weather, the stretch from May to October is the best time to visit, particularly in July, which is the calmest month with the least wind.
This period also experiences less rainfall, making it an ideal time for outdoor activities.
For a detailed breakdown of Port St. Lucie’s climate and weather throughout the year, including historical weather data and statistical analysis, you can visit the Weather Atlas website.
Whether you’re planning a trip or considering a move, knowing the climate patterns will help you make the most of your time in this beautiful Floridian city.
Average Temperature in Port St. Lucie, Florida
Port St. Lucie experiences a range of temperatures throughout the year.
Summers in Port St. Lucie are typically hot and humid.
The hottest month of the year is August, with average temperatures around 81.4°F. On particularly hot days, the temperature can reach the 90s.
During the winter months, the weather is much milder.
January, the coldest month, sees average temperatures around 64.5°F.
The average temperatures between seasons can vary significantly.
During summer, the high temperature often reaches 90°F or higher.
Meanwhile, in winter, it’s not uncommon for temperatures to hover in the mid-60s.
A table showing average monthly temperatures can be helpful:
| Month | Avg. Temperature (°F) |
|---|---|
| January | 64.5 |
| February | 66.7 |
| March | 70.1 |
| April | 74.7 |
| May | 79.2 |
| June | 82.4 |
| July | 83.3 |
| August | 81.4 |
| September | 80.5 |
| October | 76.1 |
| November | 70.6 |
| December | 66.2 |
These average temperatures represent the climate you can expect throughout the year.
Humidity also plays a role in the climate.
During summer, the combination of high temperatures and humidity can make the weather feel even hotter.
For those looking to understand the detailed temperature trends, checking out resources such as Temperature can provide more insights into fluctuations and records.
Moving forward, this pattern of average temperatures in Port St. Lucie highlights the contrast between the humid summers and the milder winters, offering a varied yet predictable climate experience.
Average Precipitation in Port St. Lucie, Florida
Port St. Lucie, Florida, experiences varied precipitation throughout the year, with notable differences in rainfall and the absence of snow. The climate influences daily life and outdoor activities.
Average Rainfall in Port St. Lucie, Florida
Port St. Lucie sees an average of 38 inches of rain per year.
The wettest months are June through October, with August receiving the most rain, averaging about 8.1 inches.
During this period, frequent showers contribute to high humidity levels.
January is the driest month, averaging only around 2 inches of rain.
The number of rainy days in Port St. Lucie can vary, with approximately 100 rainy days annually.
These precipitation patterns make the area lush and green, supporting a variety of plant life.
Average Snow in Port St. Lucie, Florida
Port St. Lucie has a subtropical climate, meaning it experiences virtually no snowfall.
The city averages 0 inches of snow per year, making it an attractive winter destination for those seeking relief from colder climates.
Instead of snow, winter precipitation comes in the form of rain showers and occasionally sleet.
Hail is also rare but can occur during severe storms.
This lack of snow and ice allows for year-round outdoor activities without the interruption of winter weather.
Average Sun in Port St. Lucie, Florida
Port St. Lucie enjoys plenty of sunshine throughout the year, making it an ideal place for outdoor activities.
The city experiences an average of 205 sunny days annually with regular hours of daylight and sunshine.
Average Daily Shortwave Solar Energy in Port St. Lucie, Florida
The daily shortwave solar energy varies by season.
During summer, solar energy averages around 6.2 kWh/m² per day.
In contrast, the winter months see lower values, averaging about 3.8 kWh/m² per day.
Cloud cover can impact these values, but Port St. Lucie generally has clear skies, especially from November to April.
The UV index remains moderate to high, requiring sun protection during peak hours.
With longer daylight hours in summer, people in Port St. Lucie can expect extended periods of sunshine, contributing to the city’s vibrant outdoor culture.
Average Humidity in Port St. Lucie, Florida
Port St. Lucie experiences a humid subtropical climate. Relative humidity plays a significant role in its weather.
Average Relative Humidity:
- Summer: Around 70-80%
- Winter: Around 60-70%
The dew point, which indicates the amount of moisture in the air, averages between 70°F to 75°F in the summer months.
In the winter, it drops to around 55°F to 60°F.
Humidity Levels by Month:
- January: Lower humidity with frequent dew points around 60°F
- July: Higher humidity, with typical dew points around 75°F
Rainfall significantly impacts humidity. The wet season from May to October sees increased humidity due to higher precipitation, around 53 inches annually.
Daily Variations:
- Mornings: Often higher humidity.
- Afternoons: Slightly lower due to warming air temperatures.
For detailed month-by-month climate information, refer to the yearly weather data and the average weather in Port Saint Lucie.
Average Wind in Port St. Lucie, Florida
Port St. Lucie experiences varying wind speeds throughout the year.
The windiest month is March, with an average hourly wind speed of 11.2 miles per hour.
During this time, winds are more noticeable, creating a blustery environment.
In contrast, the calmest month is July, with average speeds of 7.0 miles per hour. This provides a more serene atmosphere ideal for outdoor activities.
Wind speeds start to decrease in May and remain calm until early October. This calm period lasts for about 4.4 months.
| Month | Average Wind Speed (mph) |
|---|---|
| January | 8.5 |
| March | 11.2 |
| July | 7.0 |
| October | 8.0 |
Wind directions are often from the east and northeast. Occasional changes may bring winds from the south, especially during tropical weather patterns.
Wind gusts can also vary, particularly during stormy weather.
These gusts can reach higher speeds, adding a brisk feel to the air.
Average Air Quality in Port St. Lucie, Florida
Port St. Lucie often has moderate air quality, which means it’s generally safe for most people. However, sensitive groups should limit prolonged outdoor exertion.
The Air Quality Index (AQI) in Port St. Lucie can range from Good to Moderate, with PM2.5 being the main pollutant. On some days, pollutants like nitrogen dioxide (NO2) can increase, especially during traffic congestion and industrial activities.
Here’s a snapshot of air quality in Port St. Lucie:
| Pollutant | Level | AQI Range |
|---|---|---|
| PM2.5 | Moderate | 50-100 |
| Nitrogen Dioxide (NO2) | Low to Moderate | 50-100 |
Visibility in Port St. Lucie is often clear, but it can be reduced on days with higher pollution levels.
Forecast services like IQAir provide real-time updates on air quality, helping residents plan their outdoor activities.
The region’s pressure systems also play a role in air quality. High-pressure days can trap pollutants close to the ground, whereas low-pressure days might bring cleaner air.
For those interested in long-term trends, historical data and radar from NASA offers insights into how air quality has changed over time in Port St. Lucie.
Air quality monitors and local advisories are helpful in ensuring that even on days where air quality dips, residents can take appropriate measures to protect their health.
Topography of Port St. Lucie, Florida
Port St. Lucie is located in St. Lucie County, Florida. It spans from coordinates 27.20556°N to 27.37442°N and 80.48130°W to 80.24427°W.
The average elevation in Port St. Lucie is approximately 23 feet. The elevation varies across different parts of the city, ranging from about 20 feet to 75 feet at its highest point.
| Elevation Level | Height (Feet) |
|---|---|
| Average | 23 ft |
| Minimum | -10 ft |
| Maximum | 75 ft |
Many areas within the city are close to sea level, as low as 16 feet above sea level. In some places, the terrain may even drop below sea level.
Coastal areas near Port St. Lucie are generally flat and low-lying, contributing to the region’s vulnerability to flooding during heavy rains or hurricanes. The flat terrain is typical for many parts of Florida and is important for local water management systems.
The city’s topography is marked by numerous waterways, including rivers and canals, which help direct water flow and prevent flooding.
Extreme Weather Events that Occur in Port St. Lucie, Florida
Port St. Lucie experiences a range of extreme weather events. Thunderstorms are frequent, especially in the summer. They bring heavy rain and strong winds. These storms can lead to power outages and minor flooding.
The city also faces the threat of severe electrical storms. These storms can bring lightning, causing fires and damage to buildings. Residents should stay indoors during these events to stay safe.
In addition, tropical cyclones and hurricanes are a significant concern. These storms can cause widespread damage and heavy flooding. Hurricane season runs from June to November, with a peak in August and September. Residents are advised to prepare essentials like water and non-perishable food during this time.
Winter isn’t common here, but occasional freezing temperatures can occur. This can affect crops and local agriculture. It’s important for growers to take preventive measures to protect their crops.
There have been instances of strong winds and tornadoes. For example, two tornadoes recently touched down near Port St. Lucie, causing damage to the area. Residents should heed tornado warnings and move to safe areas quickly.
Wildfires are also a concern, particularly during dry periods. These can result from human activity or naturally occurring fires. It’s important to follow local fire advisories and regulations to prevent these events from starting.
Best Time of the Year to Visit Port St. Lucie, Florida
Choosing the best time to visit Port St. Lucie depends on what activities you enjoy and your weather preferences. Each season has unique weather patterns and highlights that cater to different interests.
What is Port St. Lucie, Florida Like in Spring
Spring in Port St. Lucie, from March through May, is warm and pleasant. Temperatures range between 60°F and 85°F, making it great for outdoor activities. Golf enthusiasts will find this time ideal for enjoying the PGA Golf Club.
Rainfall is moderate, with April usually experiencing about 3 inches. Perfect for enjoying the beach or exploring local parks, spring is also less crowded than summer, offering a more relaxing visit.
What is Port St. Lucie, Florida Like in Summer
Summer in Port St. Lucie, spanning June through August, is hot and humid. Daytime temperatures often reach around 90°F. Night temperatures don’t drop much lower than 70°F, creating warm evenings.
This season is part of the wetter months, experiencing heavy rainfall and frequent thunderstorms. August tends to be the wettest month, averaging around 19 rainy days. Despite the rain, summer remains popular for its beach activities and family vacations.
What is Port St. Lucie, Florida Like in Fall
Fall, from September to November, brings cooler temperatures and gradually decreasing humidity. Daytime highs range between 70°F and 85°F. September might still experience some summer rainfall but by October, rain starts to lessen.
Autumn is a perfect time for those seeking fewer crowds and mild weather. This makes it especially suitable for retirees or visitors who prefer a quieter experience. The lower hotel prices in September also make it an economically wise choice.
What is Port St. Lucie, Florida Like in Winter
Winter, from December to February, is the coolest season.
Even so, daytime temperatures are relatively mild, between 55°F and 75°F.
January is typically the driest month, often receiving just over half an inch of rain.
This season is great for visitors who dislike extreme heat and humidity, making it an ideal time for exploring local attractions and golf courses.
The pleasant weather also suits those looking to escape colder northern climates for a warm retreat.