February
Other strong months: November and March
United States · 1991–2020
For Treasure Island, February has the most comfortable weather in our climate comparison. Typical daytime highs are 22.4°C, nights average 14.6°C, and rainfall totals about 43 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Other strong months: November and March
Other strong months: October and May
Other strong months: February and December
Make the answer personal
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
6 months fit your choices for Treasure Island
August has the lowest comfort score at 17 out of 100, compared with February at 92. The main reason is that days average 32.2°C, 8° above the 24°C the score treats as ideal, and 222 mm of rain falls.
Quick answers
These answers come from the same measured monthly climate record shown on this page.
February is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 22.4°C and 43 mm of rain.
August is hottest in this record, with a typical daytime high of 32.2°C and a night-time low of 25.9°C.
November has the lowest monthly rainfall total at 35 mm.
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 20.6°C | 12.9°C | 55 mm | 4.9 | 17.9°C | 10 h 33 | 80 | Good coverage |
| February | 22.4°C | 14.6°C | 43 mm | 4.1 | 17.8°C | 11 h 10 | 92 | Good coverage |
| March | 24.6°C | 17°C | 62 mm | 4.1 | 19.7°C | 11 h 55 | 90 | Good coverage |
| April | 27.5°C | 19.9°C | 44 mm | 3.2 | 22.6°C | 12 h 47 | 78 | Good coverage |
| May | 30.1°C | 22.8°C | 67 mm | 4.9 | 25.7°C | 13 h 30 | 60 | Good coverage |
| June | 31.8°C | 25.1°C | 172 mm | 11 | 28.3°C | 13 h 53 | 30 | Good coverage |
| July | 32.1°C | 25.8°C | 205 mm | 13.4 | 29.7°C | 13 h 44 | 21 | Good coverage |
| August | 32.2°C | 25.9°C | 222 mm | 14.2 | 30.0°C | 13 h 08 | 17 | Good coverage |
| September | 31.3°C | 25.2°C | 174 mm | 11.7 | 29.1°C | 12 h 17 | 30 | Good coverage |
| October | 28.9°C | 22.6°C | 49 mm | 4.7 | 26.7°C | 11 h 27 | 67 | Good coverage |
| November | 24.9°C | 18°C | 35 mm | 3.4 | 22.9°C | 10 h 44 | 91 | Good coverage |
| December | 22.3°C | 15.1°C | 60 mm | 4.5 | 20.0°C | 10 h 23 | 89 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 29.4°C9 Jan 2026 | 0.0°C18 Jan 2018 | 69 mm6 Jan 2024 | 181 mm2016 · driest 3 mm in 2003 | 28 |
| February | 29.4°C20 Feb 2018 | 2.2°C1 Feb 2026 | 51 mm24 Feb 2025 | 124 mm2015 · driest 5 mm in 2001 | 28 |
| March | 32.8°C10 Mar 2026 | 5.6°C5 Mar 2002 | 79 mm31 Mar 2011 | 207 mm2010 · driest 0 mm in 2020 | 28 |
| April | 34.4°C27 Apr 2026 | 9.4°C9 Apr 2000 | 76 mm25 Apr 2003 | 183 mm2003 · driest 1 mm in 2001 | 28 |
| May | 35.6°C30 May 2024 | 13.9°C1 May 1999 | 92 mm4 May 2016 | 246 mm2018 · driest 0 mm in 2007 | 28 |
| June | 36.7°C16 Jun 2010 | 19.4°C1 Jun 2007 | 148 mm24 Jun 2012 | 376 mm2016 · driest 60 mm in 2004 | 29 |
| July | 36.1°C16 Jul 2007 | 18.3°C9 Jul 2023 | 105 mm21 Jul 2000 | 373 mm2000 · driest 74 mm in 2012 | 29 |
| August | 36.7°C16 Aug 2005 | 18.9°C27 Aug 1999 | 127 mm31 Aug 2016 | 394 mm2016 · driest 82 mm in 1998 | 28 |
| September | 35.6°C4 Sep 2020 | 17.8°C29 Sep 2022 | 176 mm14 Sep 2001 | 416 mm2001 · driest 28 mm in 2019 | 28 |
| October | 35.0°C2 Oct 2024 | 10.6°C29 Oct 2008 | 70 mm19 Oct 2019 | 182 mm2019 · driest 0 mm in 2010 | 28 |
| November | 33.3°C24 Nov 2002 | 6.1°C11 Nov 2025 | 125 mm11 Nov 2020 | 157 mm2020 · driest 1 mm in 2016 | 28 |
| December | 29.4°C30 Dec 2015 | 1.7°C31 Dec 2000 | 109 mm9 Dec 2002 | 442 mm2002 · driest 7 mm in 2016 | 28 |
| Month | Days 25°C+ | Days 30°C+ | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 6 | 0 | 2 |
| February | 9 | 0 | 1 |
| March | 17 | <1 | 2 |
| April | 26 | 5 | 1 |
| May | 30 | 19 | 2 |
| June | 29 | 25 | 5 |
| July | 31 | 29 | 6 |
| August | 31 | 29 | 7 |
| September | 30 | 25 | 5 |
| October | 29 | 13 | 1 |
| November | 18 | <1 | 1 |
| December | 9 | 0 | 1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 50% | 16% | 5% | 11% | 18.2–22.5°C |
| February | 67% | 14% | 5% | 7% | 20.7–24.6°C |
| March | 79% | 14% | 5% | 8% | 23.0–26.7°C |
| April | 88% | 11% | 5% | 5% | 26.3–28.9°C |
| May | 84% | 16% | 7% | 19% | 29.4–31.3°C |
| June | 63% | 37% | 17% | 50% | 31.0–33.0°C |
| July | 58% | 42% | 19% | 60% | 31.5–32.9°C |
| August | 55% | 45% | 22% | 66% | 31.4–33.2°C |
| September | 62% | 38% | 17% | 48% | 30.5–32.3°C |
| October | 85% | 14% | 4% | 8% | 27.8–30.0°C |
| November | 81% | 12% | 3% | 5% | 23.3–26.4°C |
| December | 66% | 14% | 5% | 8% | 20.4–24.5°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
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The weather comparison for Treasure Island is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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