Big Pine Key weather by month
What a typical year looks like in Big Pine Key, Florida: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Bahia Honda State Park, 9 km from Big Pine Key; records cover 2004–2026.
The year at a glance
- Precipitation a year
- 46.1 in1170 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 77
- Cooling degree days
- 4,678
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 51°11° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Big Pine Key in January
Highs average 74°24° and lows 64°18°, with 1.9 in48 mm of precipitation in a typical January.
- Record high
- 89°32° (2023)
- Record low
- 39°4° (2010)
- Heating degree days
- 32
- Cooling degree days
- 162
Big Pine Key in February
Highs average 76°25° and lows 65°19°, with 2.1 in53 mm of precipitation in a typical February.
- Record high
- 91°33° (2026)
- Record low
- 44°7° (2009)
- Heating degree days
- 18
- Cooling degree days
- 182
Big Pine Key in March
Highs average 78°26° and lows 68°20°, with 1.7 in43 mm of precipitation in a typical March.
- Record high
- 93°34° (2024)
- Record low
- 51°11° (2010)
- Heating degree days
- 6
- Cooling degree days
- 262
Big Pine Key in April
Highs average 82°28° and lows 72°22°, with 2.4 in61 mm of precipitation in a typical April.
- Record high
- 95°35° (2023)
- Record low
- 59°15° (2005)
- Heating degree days
- 0
- Cooling degree days
- 362
Big Pine Key in May
Highs average 85°30° and lows 75°24°, with 3.8 in96 mm of precipitation in a typical May.
- Record high
- 98°37° (2024)
- Record low
- 66°19° (2007)
- Heating degree days
- 0
- Cooling degree days
- 471
Big Pine Key in June
Highs average 88°31° and lows 78°25°, with 5.7 in144 mm of precipitation in a typical June.
- Record high
- 98°37° (2023)
- Record low
- 68°20° (2007)
- Heating degree days
- 0
- Cooling degree days
- 538
Big Pine Key in July
Highs average 90°32° and lows 79°26°, with 4.8 in121 mm of precipitation in a typical July.
- Record high
- 100°38° (2023)
- Record low
- 71°22° (2016)
- Heating degree days
- 0
- Cooling degree days
- 603
Big Pine Key in August
Highs average 90°32° and lows 79°26°, with 5.7 in146 mm of precipitation in a typical August.
- Record high
- 101°38° (2025)
- Record low
- 71°22° (2009)
- Heating degree days
- 0
- Cooling degree days
- 598
Big Pine Key in September
Highs average 88°31° and lows 78°25°, with 7.5 in191 mm of precipitation in a typical September.
- Record high
- 99°37° (2024)
- Record low
- 70°21° (2008)
- Heating degree days
- 0
- Cooling degree days
- 532
Big Pine Key in OctoberThis month
Highs average 84°29° and lows 76°24°, with 6.2 in158 mm of precipitation in a typical October.
- Record high
- 95°35° (2023)
- Record low
- 59°15° (2008)
- Heating degree days
- 0
- Cooling degree days
- 462
Big Pine Key in November
Highs average 79°26° and lows 70°21°, with 2.2 in57 mm of precipitation in a typical November.
- Record high
- 94°34° (2022)
- Record low
- 54°12° (2006)
- Heating degree days
- 2
- Cooling degree days
- 292
Big Pine Key in December
Highs average 76°24° and lows 67°19°, with 2.1 in53 mm of precipitation in a typical December.
- Record high
- 92°33° (2022)
- Record low
- 46°8° (2010)
- Heating degree days
- 19
- Cooling degree days
- 214