John Pennekamp State Park, Florida climate: Climate normals at a NOAA weather station
John Pennekamp State Park's normal year runs from 63°F January nights to 90°F August afternoons, with 57.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 25.4°C, January lows of 17°C, August highs of 32°C, 1,447 mm of precipitation a year.
- NOAA stationJohn Pennekamp State Park
- Station IDUSC00084412
- Location25.19°N 80.35°W
- Elevation6 ft (2 m)
On October 14, the normal high in John Pennekamp State Park is 86°F and the normal low 76°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for John Pennekamp State Park.
- Jan 76° 63°
- Feb 78° 65°
- Mar 80° 67°
- Apr 83° 71°
- May 85° 74°
- Jun 88° 77°
- Jul 90° 79°
- Aug 90° 79°
- Sep 89° 78°
- Oct 86° 75°
- Nov 81° 70°
- Dec 78° 66°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at John Pennekamp State Park each month?
August is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 63°F. The most precipitation falls in September (8.18 in), the least in February (2.01 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 76°F | 63°F | 69.4°F | 2.13 | – | <1 | <1 | 10 h 40 min |
| February | 78°F | 65°F | 71.2°F | 2.01 | – | <1 | <1 | 11 h 20 min |
| March | 80°F | 67°F | 73.2°F | 2.22 | – | <1 | <1 | 12 h |
| April | 83°F | 71°F | 76.6°F | 3.33 | – | <1 | <1 | 12 h 40 min |
| May | 85°F | 74°F | 79.7°F | 4.76 | – | 1 | <1 | 13 h 20 min |
| June | 88°F | 77°F | 82.6°F | 7.91 | – | 6 | <1 | 13 h 40 min |
| July | 90°F | 79°F | 84.1°F | 5.81 | – | 14 | <1 | 13 h 30 min |
| August | 90°F | 79°F | 84.5°F | 6.89 | – | 18 | <1 | 13 h |
| September | 89°F | 78°F | 83.3°F | 8.18 | – | 7 | <1 | 12 h 20 min |
| October | 86°F | 75°F | 80.6°F | 7.87 | – | 1 | <1 | 11 h 40 min |
| November | 81°F | 70°F | 75.7°F | 3.31 | – | <1 | <1 | 11 h |
| December | 78°F | 66°F | 71.9°F | 2.53 | – | <1 | <1 | 10 h 40 min |
| Year (annual) | 84°F | 72°F | 77.7°F | 56.95 | – | 47 | <1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 25°C | 17°C | 20.8°C | 54 mm |
| February | 26°C | 18°C | 21.8°C | 51 mm |
| March | 27°C | 19°C | 22.9°C | 56 mm |
| April | 28°C | 22°C | 24.8°C | 85 mm |
| May | 30°C | 23°C | 26.5°C | 121 mm |
| June | 31°C | 25°C | 28.1°C | 201 mm |
| July | 32°C | 26°C | 28.9°C | 148 mm |
| August | 32°C | 26°C | 29.2°C | 175 mm |
| September | 32°C | 25°C | 28.5°C | 208 mm |
| October | 30°C | 24°C | 27.0°C | 200 mm |
| November | 27°C | 21°C | 24.3°C | 84 mm |
| December | 26°C | 19°C | 22.2°C | 64 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084412; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at John Pennekamp State Park?
Normal highs sit between 65°F and 85°F in January, February, March, April, November and December.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084412.
How hot and how cold does it get at John Pennekamp State Park?
In a normal year in John Pennekamp State Park, 47 days a year reach 90°F and nights almost never fall to freezing.
- Days at 90°F or more
- 47a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- fewer than 1a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00084412.
How sunny is it at John Pennekamp State Park?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at John Pennekamp State Park, 5.0 kWh per square metre a day. April is the sunniest month (85%) and June the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 80% | 3.7 |
| February | 81% | 4.5 |
| March | 84% | 5.5 |
| April | 85% | 6.2 |
| May | 82% | 6.3 |
| June | 75% | 5.7 |
| July | 79% | 5.9 |
| August | 79% | 5.6 |
| September | 77% | 5.0 |
| October | 80% | 4.5 |
| November | 81% | 3.9 |
| December | 81% | 3.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does John Pennekamp State Park record?
A normal year at John Pennekamp State Park brings 79 heating degree days, 99% fewer than the median U.S. place (5,373), and 4,742 cooling degree days, 5.2 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 10,139 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 32 | 169 |
| February | 18 | 193 |
| March | 6 | 262 |
| April | 1 | 349 |
| May | 0 | 454 |
| June | 0 | 529 |
| July | 0 | 594 |
| August | 0 | 603 |
| September | 0 | 549 |
| October | 0 | 484 |
| November | 3 | 322 |
| December | 19 | 235 |
| Year (annual) | 79 | 4,742 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084412. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at John Pennekamp State Park been warmer than normal?
2025 averaged 78.3°F, 0.6°F above the 1991-2020 normal of 77.7°F. 2 of the 2 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 79.2°F | +1.5°F | 43.11 |
| 2025 | 78.3°F | +0.6°F | 41.77 |
Source: observed years: ACIS, station USC00084412. A year counts only with all twelve months complete.
How does John Pennekamp State Park's climate compare?
John Pennekamp State Park is warmer than 103 of the 106 places with their own NOAA record in Florida, and wetter than 74. Across the 7,247 U.S. stations with normals, its annual mean of 77.7°F is warmer than 100%.
In the Köppen classification computed from these normals, John Pennekamp State Park is Am: tropical monsoon. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near John Pennekamp State Park share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Key Largo, FL12,069 people · 6 mi SW
- North Key Largo, FL1,630 people · 5 mi N
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about John Pennekamp State Park's climate
What is the coldest month at John Pennekamp State Park?
January, with a normal high of 76°F and a normal low of 63°F. The warmest is August (90°F by day, 79°F at night).
What is the rainiest month at John Pennekamp State Park?
September, with 8.18 in of precipitation in a normal year; the driest is February with 2.01 in.
What plant hardiness zone is John Pennekamp State Park in?
The USDA's 2023 map puts John Pennekamp State Park in zone 11a in ZIP code 33037, the nearest ZIP area.
Nearby and next
- Florida climateThe statewide normals and every place in the state
- Tavernier, FL17 miles from this station, 77.8°F a year
- Royal Palm Ranger Station, FL21 miles from this station, 75.9°F a year
- Homestead, FL25 miles from this station, 75.7°F a year
- Islamorada, FL26 miles from this station, 77.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made