Hyannis Water Temperature
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Hyannis Summary
| Description | Value | 
|---|---|
| Current water temperature | / | 
| Warmest Month Water Temperature: | August with 68.5°F / 20.3°C | 
| Coldest Month Water Temperature: | February with 36.9°F / 2.7°C | 
| Warmest Month Air Temperature: | August with 70.5°F / 21.4°C | 
| Coldest Month Air Temperature: | January with 33.1°F / 0.6°C | 
| Wettest Month: | January with 1.7in / 42.2mm | 
| Driest Month: | August with 0in / 0mm | 
| Highest Humidity | June with 82.5% | 
| Lowest Humidity | February with 70.6% | 
| Best Time to Visit: | June, July, August, September | 
| Climate Classification | Warm-summer humid continental climate | 
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Hyannis water temperature by month
Atlantic Ocean water temperature by month
| Max. Water
     Temperature (°F)  | 
    ø. Water
     Temperature (°F)  | 
    Min. Water
     Temperature (°F)  | 
    |
|---|---|---|---|
| 
         January  | 
        42.4 | 39.7 | 37.6 | 
| 
         February  | 
        37.6 | 37 | 36.3 | 
| 
         March  | 
        39.9 | 37.9 | 36.9 | 
| 
         April  | 
        46.6 | 43 | 39.9 | 
| 
         May  | 
        55.4 | 50.7 | 46.6 | 
| 
         June  | 
        63.7 | 59 | 55.6 | 
| 
         July  | 
        68.5 | 66.6 | 63.5 | 
| 
         August  | 
        69.4 | 68.4 | 67.1 | 
| 
         September  | 
        67.5 | 65.3 | 62.8 | 
| 
         October  | 
        62.6 | 58.3 | 53.8 | 
| 
         November  | 
        54 | 50.7 | 47.3 | 
| 
         December  | 
        47.3 | 44.8 | 42.3 | 
Atlantic Ocean water temperature by month
| Max. Water
     Temperature (°C)  | 
    ø. Water
     Temperature (°C)  | 
    Min. Water
     Temperature (°C)  | 
    |
|---|---|---|---|
| 
         January  | 
        5.8 | 4.3 | 3.1 | 
| 
         February  | 
        3.1 | 2.8 | 2.4 | 
| 
         March  | 
        4.4 | 3.3 | 2.7 | 
| 
         April  | 
        8.1 | 6.1 | 4.4 | 
| 
         May  | 
        13 | 10.4 | 8.1 | 
| 
         June  | 
        17.6 | 15 | 13.1 | 
| 
         July  | 
        20.3 | 19.2 | 17.5 | 
| 
         August  | 
        20.8 | 20.2 | 19.5 | 
| 
         September  | 
        19.7 | 18.5 | 17.1 | 
| 
         October  | 
        17 | 14.6 | 12.1 | 
| 
         November  | 
        12.2 | 10.4 | 8.5 | 
| 
         December  | 
        8.5 | 7.1 | 5.7 | 
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Hyannis weather today & 14-day weather forecast
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Hyannis weather by month / climate table
Max. Temperature °F | ø. Temperature °F | Min. Temperature (°F) | 
     Precip. (in)  | 
    
     Rainy Days (d)  | 
    
     Rel. Humidity (%)  | 
    |
|---|---|---|---|---|---|---|
| 
         January  | 
        42.1 | 33.1 | 24.1 | 1.7 | 3 | 71.4% | 
| 
         February  | 
        41 | 33.4 | 25.9 | 0.6 | 1 | 70.6% | 
| 
         March  | 
        47.3 | 37.6 | 29.1 | 1 | 1 | 71.9% | 
| 
         April  | 
        53.4 | 45.3 | 37.4 | 0.4 | 3 | 75.1% | 
| 
         May  | 
        63.7 | 53.8 | 45.9 | 0.8 | 0 | 80.2% | 
| 
         June  | 
        72.1 | 62.6 | 55.4 | 0.3 | 0 | 82.5% | 
| 
         July  | 
        75.6 | 70.3 | 65.1 | 0 | 0 | 81.9% | 
| 
         August  | 
        76.1 | 70.5 | 65.7 | 0 | 0 | 81.6% | 
| 
         September  | 
        72 | 65.5 | 60.1 | 0.1 | 0 | 78.6% | 
| 
         October  | 
        65.3 | 56.3 | 46.2 | 0.4 | 0 | 73.4% | 
| 
         November  | 
        58.1 | 47.3 | 38.7 | 0 | 1 | 71.9% | 
| 
         December  | 
        48.7 | 39.4 | 32.5 | 1.2 | 2 | 71.5% | 
Max. Temperature °C | ø. Temperature °C | Min. Temperature (°C) | 
     Precip. (mm)  | 
    
     Rainy Days (d)  | 
    
     Rel. Humidity (%)  | 
    |
|---|---|---|---|---|---|---|
| 
         January  | 
        5.6 | 0.6 | -4.4 | 42.2 | 3 | 71.4% | 
| 
         February  | 
        5 | 0.8 | -3.4 | 15.2 | 1 | 70.6% | 
| 
         March  | 
        8.5 | 3.1 | -1.6 | 25.3 | 1 | 71.9% | 
| 
         April  | 
        11.9 | 7.4 | 3 | 9.2 | 3 | 75.1% | 
| 
         May  | 
        17.6 | 12.1 | 7.7 | 21.5 | 0 | 80.2% | 
| 
         June  | 
        22.3 | 17 | 13 | 6.4 | 0 | 82.5% | 
| 
         July  | 
        24.2 | 21.3 | 18.4 | 1 | 0 | 81.9% | 
| 
         August  | 
        24.5 | 21.4 | 18.7 | 0 | 0 | 81.6% | 
| 
         September  | 
        22.2 | 18.6 | 15.6 | 2.6 | 0 | 78.6% | 
| 
         October  | 
        18.5 | 13.5 | 7.9 | 9.3 | 0 | 73.4% | 
| 
         November  | 
        14.5 | 8.5 | 3.7 | 0 | 1 | 71.9% | 
| 
         December  | 
        9.3 | 4.1 | 0.3 | 29.9 | 2 | 71.5% | 
Activities & POI in Hyannis
| Type of Activity | List | 
|---|---|
| Beach | Craigville Beach, Dowses Beach, Keyes Memorial Beach, Long Beach, Thachers Beach, Englewood Beach, Hyannis Port Beach, Christian Camp Meeting Beach, Seagull Beach, Keyes Beach, Bay View Street Beach, Public Beach | 
| Marina for Sailing, Boat adventures, fishing | Hyannis Marina, Hyannis Port Yacht Club, Hyannis Yacht Club Mooring Field | 
| Attraction | Wild Animal Lagoon, Jump On Us!, Putter's Paradise, Wackenhammer's Clockwork Arcade and Carousel | 
| Golf Course | Hyannisport Club, Twin Brooks Golf Course |