Climate averages 1991–2020
Port Saint Lucie weather
in July.
A hot, wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Port Saint Lucie: daytime highs average 31.0°C and nights cool to about 24.7°C. By daytime temperature it is the warmest month of the year.
Expect about 92 mm of rain on roughly 18 days, which makes July a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 41 min on an average July day.
The nearest other city in this atlas is West Palm Beach (71 km away). In July its highs average 30.3°C, 0.7°C cooler than Port Saint Lucie, with 134 mm of rain.
Among the 498 cities listed in the United States, Port Saint Lucie ranks joint 194th of 498 for the warmest July highs and joint 330th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Port Saint Lucie is 0.7°C warmer than that mean.
From July to August, average highs fall by 0.1°C to 30.9°C, and monthly rainfall rises from 92 mm to 123 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Port Saint Lucie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.1°C14.8°C | 14.8°C | 51 | 7.0 | 10.611 h |
| February | 23.5°C15.7°C | 15.7°C | 46 | 6.5 | 11.211 h |
| March | 25.1°C17.2°C | 17.2°C | 57 | 7.0 | 12.012 h |
| April | 27.2°C19.4°C | 19.4°C | 56 | 7.1 | 12.813 h |
| May | 29.2°C21.8°C | 21.8°C | 74 | 9.9 | 13.513 h |
| June | 30.3°C23.9°C | 23.9°C | 121 | 17.6 | 13.814 h |
| July, selected | 31.0°C24.7°C | 24.7°C | 92 | 18.1 | 13.714 h |
| August | 30.9°C24.9°C | 24.9°C | 123 | 21.0 | 13.113 h |
| September | 29.6°C24.3°C | 24.3°C | 139 | 19.7 | 12.312 h |
| October | 27.7°C22.2°C | 22.2°C | 102 | 12.2 | 11.512 h |
| November | 25.1°C19.1°C | 19.1°C | 55 | 8.7 | 10.811 h |
| December | 23.2°C16.6°C | 16.6°C | 41 | 7.3 | 10.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- West Palm Beach in JulyUnited States · 71 kmHigh 30.3°C · Low 25.1°C · 134 mm rain
- Palm Bay in JulyUnited States · 86 kmHigh 30.4°C · Low 24.8°C · 118 mm rain
- Boynton Beach in JulyUnited States · 90 kmHigh 30.5°C · Low 25.1°C · 132 mm rain
- Melbourne, United States in JulyUnited States · 91 kmHigh 30.3°C · Low 24.8°C · 118 mm rain
- Boca Raton in JulyUnited States · 107 kmHigh 30.6°C · Low 24.9°C · 113 mm rain
- Deerfield Beach in JulyUnited States · 111 kmHigh 30.7°C · Low 24.9°C · 113 mm rain
- Coral Springs in JulyUnited States · 114 kmHigh 31.1°C · Low 24.3°C · 167 mm rain
- Pompano Beach in JulyUnited States · 120 kmHigh 30.5°C · Low 25.1°C · 113 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Port Saint Lucie) is explained once on the Port Saint Lucie year overview and on the Sources, method and limits page.