Treasure Island has warm winters and warm summers, with plenty of rain
A typical July afternoon reaches 91°, a January night drops to 53°, and snow is almost unheard of.
A year in Treasure Island at a glance
Each month’s typical high and low, and what it brings.
What stands out about Treasure Island’s climate
Read from where Treasure Island sits among Florida’s towns. The page puts what stands out first.
Rain and snow in Treasure Island
August is the wettest month and November the driest. Rain or snow falls on about 101 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
No measurable snow in a normal year.
What a year in Treasure Island feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A year-round growing season
Freezing nights are uncommon in Treasure Island.
90° days by month
Average days at 90° or more
Living with Treasure Island’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
Only 23% of years see a freezing night, so tender plants can stay out most winters.
About 0.0" in a normal winter.
About 94 days a year reach 90°, and July afternoons average 91°.
The nicest months are January, February, March, April, November and December. 1.7 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Treasure Island and its neighbors
Madeira Beach has the coldest January nights next door (53°) and St. Petersburg the hottest July afternoons (91°). Tap a town to see its climate.
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 Treasure Island averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.0°).
A bigger shift than in 65% of U.S. towns.
Change by month
How Treasure Island compares
Against every U.S. town on TownTapestry, each counted once, with its place in Florida.
Treasure Island weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 70° | 53° | 3.0" | 0 | 7 | 0 | 54° – 67° |
| February | 72° | 55° | 2.3" | 0 | 6 | 0 | 55° – 72° |
| March | 76° | 59° | 2.8" | 0 | 7 | 0 | 61° – 73° |
| April | 81° | 64° | 2.5" | 0 | 5 | 0 | 68° – 78° |
| May | 86° | 70° | 2.8" | 0 | 5 | 0 | 74° – 81° |
| June | 90° | 75° | 7.3" | 0 | 12 | 0 | 81° – 85° |
| July | 91° | 76° | 8.4" | 0 | 15 | 0 | 82° – 86° |
| August | 90° | 77° | 9.3" | 0 | 15 | 0 | 82° – 85° |
| September | 89° | 75° | 6.7" | 0 | 14 | 0 | 80° – 84° |
| October | 84° | 69° | 2.7" | 0 | 6 | 0 | 73° – 81° |
| November | 77° | 61° | 1.7" | 0 | 4 | 0 | 64° – 76° |
| December | 72° | 56° | 2.6" | 0 | 6 | 0 | 53° – 73° |
| Year | 82° | 66° | 52.0" | 0.0" | 101 | 0 |
Heating and cooling a home in Treasure Island
11% of the work is heating, so air conditioning is the bigger bill.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 53° to 73°. August is the most reliable, staying within 3°.
Common questions about Treasure Island’s climate
What is the coldest month in Treasure Island?
January, with a typical high of 70° and a low of 53°.
What is the hottest month in Treasure Island?
July, with a typical high of 91° and a low of 76°. About 94 days a year reach 90°.
How much snow does Treasure Island get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Treasure Island?
Frost is uncommon. Only 23% of years see a night at 32° or below.
What is the rainiest month in Treasure Island?
August, with 9.3 inches of rain and melted snow. The year totals 52 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Treasure Island.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Treasure Island itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at St Petersburg, FL (9 mi, snow) and St Petersburg Intl Airport, FL (11 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.