High Island Water Temperature
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The coldest month is January with an average water temperature of 57.4°F / 14.1°C.
January is the driest at 0in / 0mm and July the wettest month with 3.1in / 79.4mm.
With an average air temperature of 83.3°F / 28.5°C, August is the warmest month in a year. January is the coldest with 54.1°F / 12.3°C average air temperature.
The Climate is described as mild temperate climate with hot summer. Best time to Visit would be in May, June, July, August, September.
High Island Summary
| Description | Value | 
|---|---|
| Current water temperature | / | 
| Warmest Month Water Temperature: | August with 86.5°F / 30.3°C | 
| Coldest Month Water Temperature: | January with 57.4°F / 14.1°C | 
| Warmest Month Air Temperature: | August with 83.3°F / 28.5°C | 
| Coldest Month Air Temperature: | January with 54.1°F / 12.3°C | 
| Wettest Month: | July with 3.1in / 79.4mm | 
| Driest Month: | January with 0in / 0mm | 
| Highest Humidity | July with 78.8% | 
| Lowest Humidity | October with 72.8% | 
| Best Time to Visit: | May, June, July, August, September | 
| Climate Classification | mild temperate climate with hot summer | 
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High Island water temperature by month
Gulf of Mexico water temperature by month
| Max. Water
     Temperature (°F)  | 
    ø. Water
     Temperature (°F)  | 
    Min. Water
     Temperature (°F)  | 
    |
|---|---|---|---|
| 
         January  | 
        59.2 | 57.6 | 56.8 | 
| 
         February  | 
        60.4 | 58.5 | 56.8 | 
| 
         March  | 
        67.5 | 63.7 | 60.6 | 
| 
         April  | 
        73.9 | 70.5 | 67.6 | 
| 
         May  | 
        81.1 | 77.4 | 73.9 | 
| 
         June  | 
        84.7 | 83.5 | 81.3 | 
| 
         July  | 
        86 | 85.5 | 84.4 | 
| 
         August  | 
        86.7 | 86.4 | 85.8 | 
| 
         September  | 
        86 | 84 | 81.3 | 
| 
         October  | 
        81.3 | 77.9 | 73.6 | 
| 
         November  | 
        73.2 | 69.3 | 64.9 | 
| 
         December  | 
        65.1 | 61.7 | 58.8 | 
Gulf of Mexico water temperature by month
| Max. Water
     Temperature (°C)  | 
    ø. Water
     Temperature (°C)  | 
    Min. Water
     Temperature (°C)  | 
    |
|---|---|---|---|
| 
         January  | 
        15.1 | 14.2 | 13.8 | 
| 
         February  | 
        15.8 | 14.7 | 13.8 | 
| 
         March  | 
        19.7 | 17.6 | 15.9 | 
| 
         April  | 
        23.3 | 21.4 | 19.8 | 
| 
         May  | 
        27.3 | 25.2 | 23.3 | 
| 
         June  | 
        29.3 | 28.6 | 27.4 | 
| 
         July  | 
        30 | 29.7 | 29.1 | 
| 
         August  | 
        30.4 | 30.2 | 29.9 | 
| 
         September  | 
        30 | 28.9 | 27.4 | 
| 
         October  | 
        27.4 | 25.5 | 23.1 | 
| 
         November  | 
        22.9 | 20.7 | 18.3 | 
| 
         December  | 
        18.4 | 16.5 | 14.9 | 
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High Island weather today & 14-day weather forecast
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High Island weather by month / climate table
Max. Temperature °F | ø. Temperature °F | Min. Temperature (°F) | 
     Precip. (in)  | 
    
     Rainy Days (d)  | 
    
     Rel. Humidity (%)  | 
    |
|---|---|---|---|---|---|---|
| 
         January  | 
        63.9 | 54.1 | 45.7 | 0 | 0 | 75.1% | 
| 
         February  | 
        68.2 | 57.2 | 47.7 | 0.2 | 0 | 77.6% | 
| 
         March  | 
        72 | 62.8 | 52 | 0 | 0 | 77% | 
| 
         April  | 
        78.3 | 69.4 | 61.2 | 0 | 0 | 76.5% | 
| 
         May  | 
        84 | 75.9 | 67.8 | 0.8 | 0 | 77.1% | 
| 
         June  | 
        87.1 | 81.1 | 75 | 2.4 | 2 | 77.9% | 
| 
         July  | 
        88.5 | 82.6 | 77.7 | 3.1 | 3 | 78.8% | 
| 
         August  | 
        89.6 | 83.3 | 77.7 | 1.3 | 3 | 77.2% | 
| 
         September  | 
        87.1 | 79.9 | 71.4 | 0.9 | 1 | 76.2% | 
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         October  | 
        82.4 | 72.7 | 63.1 | 0 | 0 | 72.8% | 
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         November  | 
        75 | 63.9 | 54.3 | 0 | 0 | 73.4% | 
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         December  | 
        66.7 | 57 | 48.4 | 0.2 | 0 | 75.4% | 
Max. Temperature °C | ø. Temperature °C | Min. Temperature (°C) | 
     Precip. (mm)  | 
    
     Rainy Days (d)  | 
    
     Rel. Humidity (%)  | 
    |
|---|---|---|---|---|---|---|
| 
         January  | 
        17.7 | 12.3 | 7.6 | 0 | 0 | 75.1% | 
| 
         February  | 
        20.1 | 14 | 8.7 | 4.6 | 0 | 77.6% | 
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         March  | 
        22.2 | 17.1 | 11.1 | 0 | 0 | 77% | 
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         April  | 
        25.7 | 20.8 | 16.2 | 0 | 0 | 76.5% | 
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         May  | 
        28.9 | 24.4 | 19.9 | 21.1 | 0 | 77.1% | 
| 
         June  | 
        30.6 | 27.3 | 23.9 | 59.9 | 2 | 77.9% | 
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         July  | 
        31.4 | 28.1 | 25.4 | 79.4 | 3 | 78.8% | 
| 
         August  | 
        32 | 28.5 | 25.4 | 32.1 | 3 | 77.2% | 
| 
         September  | 
        30.6 | 26.6 | 21.9 | 23 | 1 | 76.2% | 
| 
         October  | 
        28 | 22.6 | 17.3 | 0 | 0 | 72.8% | 
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         November  | 
        23.9 | 17.7 | 12.4 | 0 | 0 | 73.4% | 
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         December  | 
        19.3 | 13.9 | 9.1 | 6 | 0 | 75.4% |