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Treasure Island weather by month

What a typical year looks like in Treasure Island, Florida: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at St. Petersburg Albert Whitted Airport, 14 km from Treasure Island; records cover 1998–2026.

Today’s Treasure Island forecast

The year at a glance

January: typical high 69°F, low 55.3°F, precipitation 2.52 in. February: typical high 71.9°F, low 57.9°F, precipitation 2.02 in. March: typical high 75.9°F, low 62.1°F, precipitation 2.58 in. April: typical high 81°F, low 67.3°F, precipitation 1.93 in. May: typical high 86.3°F, low 72.6°F, precipitation 2.26 in. June: typical high 88.9°F, low 76.7°F, precipitation 6.79 in. July: typical high 89.6°F, low 78°F, precipitation 7.49 in. August: typical high 89.8°F, low 78.2°F, precipitation 8.39 in. September: typical high 88.1°F, low 77°F, precipitation 6.66 in. October: typical high 83.3°F, low 72.2°F, precipitation 2.16 in. November: typical high 76.8°F, low 64.5°F, precipitation 1.46 in. December: typical high 71.5°F, low 58.7°F, precipitation 2.39 in.20°−7°30°−1°40°4°50°10°60°16°70°21°80°27°90°32°100°38°110°43°69°21°55°13°Jan72°22°58°14°Feb76°24°62°17°Mar81°27°67°20°Apr86°30°73°23°May89°32°77°25°Jun90°32°78°26°Jul90°32°78°26°Aug88°31°77°25°Sep83°29°72°22°Oct77°25°65°18°Nov72°22°59°15°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
46.7 in1185 mm
Snow a year
Rare
Last spring freeze
Rare
First fall freeze
Rare
Heating degree days
356
Cooling degree days
3,911

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 44°7° (heating, 99%) and 94°34° (cooling, 1%).

Month by month

Treasure Island in January

Highs average 69°21° and lows 55°13°, with 2.5 in64 mm of precipitation in a typical January.

Record high
85°29° (2026)
Record low
32°0° (2003)
Heating degree days
138
Cooling degree days
50

Treasure Island in February

Highs average 72°22° and lows 58°14°, with 2 in51 mm of precipitation in a typical February.

Record high
85°29° (2018)
Record low
36°2° (2026)
Heating degree days
76
Cooling degree days
74

Treasure Island in March

Highs average 76°24° and lows 62°17°, with 2.6 in66 mm of precipitation in a typical March.

Record high
91°33° (2026)
Record low
42°6° (2002)
Heating degree days
30
Cooling degree days
154

Treasure Island in April

Highs average 81°27° and lows 67°20°, with 1.9 in49 mm of precipitation in a typical April.

Record high
94°34° (2026)
Record low
49°9° (2000)
Heating degree days
4
Cooling degree days
278

Treasure Island in May

Highs average 86°30° and lows 73°23°, with 2.3 in57 mm of precipitation in a typical May.

Record high
96°36° (2024)
Record low
57°14° (1999)
Heating degree days
0
Cooling degree days
448

Treasure Island in June

Highs average 89°32° and lows 77°25°, with 6.8 in172 mm of precipitation in a typical June.

Record high
98°37° (2010)
Record low
67°19° (2007)
Heating degree days
0
Cooling degree days
534

Treasure Island in July

Highs average 90°32° and lows 78°26°, with 7.5 in190 mm of precipitation in a typical July.

Record high
97°36° (2007)
Record low
65°18° (2023)
Heating degree days
0
Cooling degree days
583

Treasure Island in August

Highs average 90°32° and lows 78°26°, with 8.4 in213 mm of precipitation in a typical August.

Record high
98°37° (2005)
Record low
66°19° (1999)
Heating degree days
0
Cooling degree days
589

Treasure Island in September

Highs average 88°31° and lows 77°25°, with 6.7 in169 mm of precipitation in a typical September.

Record high
96°36° (2019)
Record low
64°18° (2022)
Heating degree days
0
Cooling degree days
526

Treasure Island in OctoberThis month

Highs average 83°29° and lows 72°22°, with 2.2 in55 mm of precipitation in a typical October.

Record high
95°35° (2024)
Record low
51°11° (2008)
Heating degree days
2
Cooling degree days
397

Treasure Island in November

Highs average 77°25° and lows 65°18°, with 1.5 in37 mm of precipitation in a typical November.

Record high
92°33° (2002)
Record low
43°6° (2025)
Heating degree days
20
Cooling degree days
189

Treasure Island in December

Highs average 72°22° and lows 59°15°, with 2.4 in61 mm of precipitation in a typical December.

Record high
85°29° (2015)
Record low
35°2° (2000)
Heating degree days
86
Cooling degree days
89