Few U.S. towns have milder winter nights than Fort Pierce South
Peak summer warmth arrives in July, with afternoons near 90°. Its yearly precipitation tops that of 94% of U.S. towns. Warming shows here too: 1.3° more than in 1901–2000, led by February. Comfortable outdoor weather lasts from November to April, with highs of 73–82°.
A year in Fort Pierce South at a glance
Each month’s typical high and low, and what it brings.
What stands out about Fort Pierce South’s climate
Compared with towns across the U.S., with Fort Pierce South’s place in Florida beside it.
What a year in Fort Pierce South feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Frost is rare
Frost and day counts come from NOAA’s station at Ft Pierce, FL, 2.1 miles from the town’s center, at about the same height.
The 2023 USDA map puts Fort Pierce South’s center in zone 10a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 34°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 55 inches of rain a year
September is the wettest month and February the driest. Rain falls on about 124 days a year. Snow is rare: about 0.0" in a normal year at Ft Pierce, FL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Fort Pierce South
10% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Ft Pierce, FL.
Living with Fort Pierce South’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 10a. Frost comes about 1 winter in 3, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, November and December. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Fort Pierce South from natural hazards, hurricanes are the largest share (81%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Fort Pierce South and its neighbors
Every town next door is within a degree of Fort Pierce South in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Fort Pierce South’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Fort Pierce South, FL | 54° | 90° | 55" | 0.0" |
| Galveston, TX | 48° | 89° | 52" | 0.1" |
| Galliano, LA | 46° | 90° | 63" | 0.0" |
| Gulf Shores, AL | 44° | 90° | 62" | 0.0" |
| St. Marys, GA | 43° | 91° | 51" | 0.0" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Fort Pierce South averaged 1.3° warmer than the 1900s. The biggest change is in February (+1.9°).
A smaller shift than in 56% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Fort Pierce South compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fort Pierce South’s place among Florida’s.
Fort Pierce South weather by month
Highs, lows and precipitation from NOAA’s grid at Fort Pierce South’s center; snow, wet days and snow on the ground from Ft Pierce, FL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 73° | 54° | 2.7" | 0.0" | 8 | 0 | 57° – 69° |
| February | 76° | 56° | 2.4" | 0.0" | 7 | 0 | 57° – 73° |
| March | 78° | 59° | 3.1" | 0.0" | 7 | 0 | 61° – 75° |
| April | 82° | 64° | 3.2" | 0.0" | 7 | 0 | 69° – 77° |
| May | 86° | 68° | 4.3" | 0.0" | 9 | 0 | 73° – 80° |
| June | 89° | 73° | 7.4" | 0.0" | 14 | 0 | 79° – 83° |
| July | 90° | 74° | 6.2" | 0.0" | 13 | 0 | 80° – 84° |
| August | 90° | 74° | 7.4" | 0.0" | 15 | 0 | 81° – 84° |
| September | 88° | 74° | 7.4" | 0.0" | 15 | 0 | 79° – 83° |
| October | 85° | 69° | 5.5" | 0.0" | 12 | 0 | 75° – 81° |
| November | 79° | 62° | 3.2" | 0.0" | 10 | 0 | 66° – 77° |
| December | 75° | 57° | 2.6" | 0.0" | 8 | 0 | 55° – 74° |
| Year | 83° | 65° | 55.4" | 0.0" | 124 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 55° to 74°. August is the most reliable, staying within 3°.
Where Fort Pierce South’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Fort Pierce South’s center.
- Snow: Ft Pierce, FL.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ft Pierce, FL, 2.1 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Fort Pierce South’s climate
What is the weather like in Fort Pierce South?
A typical July afternoon reaches 90°, a January night drops to 54°, and snow is almost unheard of. Milder January nights than 98% of U.S. towns; hotter July afternoons than 78% of U.S. towns.
How cold does it get in Fort Pierce South in winter?
January nights average 54°. About 1 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 57°.
How much snow does Fort Pierce South get?
About 0.0 inches in a normal winter at Ft Pierce, FL, so most winters see none.
How hot does it get in Fort Pierce South?
July, with a typical high of 90° and a low of 74°. About 70 days a year reach 90° (Ft Pierce, FL).
When is the first and last frost in Fort Pierce South?
Most years have no frost at all: a 32° night comes in about 33% of winters at Ft Pierce, FL, usually in December or January.
What growing zone is Fort Pierce South in?
Zone 10a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 34°.
What is the best time of year to visit Fort Pierce South?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Fort Pierce South getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fort Pierce South.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.