Best time to swim in Hawaii Sea temperature by month
Do you want to go to the seaside in Hawaii? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Hawaii.
Swimming in Hawaii by month
Discover swimming conditions in detail in Hawaii by month below. Click on the links for each month to see details about the sea temperature in the cities of: Honolulu (Oahu), Maui, Captain Cook, Hana and Hilo.
| Month | Averagesea temperature | Our opinion | Details |
|---|---|---|---|
| January | 76°F to 77°F | pleasant swimming | Sea temperature in Hawaii in january |
| February | 76°F to 77°F | pleasant swimming | Sea temperature in Hawaii in february |
| March | 75°F to 77°F | pleasant swimming | Sea temperature in Hawaii in march |
| April | 76°F to 78°F | pleasant swimming | Sea temperature in Hawaii in april |
| May | 77°F to 79°F | pleasant swimming | Sea temperature in Hawaii in may |
| June | 78°F to 80°F | ideal swimming* | Sea temperature in Hawaii in june |
| July | 79°F to 80°F | ideal swimming* | Sea temperature in Hawaii in july |
| August | 79°F to 80°F | ideal swimming | Sea temperature in Hawaii in august |
| September | 79°F to 81°F | ideal swimming | Sea temperature in Hawaii in september |
| October | 79°F to 81°F | ideal swimming | Sea temperature in Hawaii in october |
| November | 78°F to 79°F | ideal swimming* | Sea temperature in Hawaii in november |
| December | 77°F to 78°F | pleasant swimming | Sea temperature in Hawaii in december |
* in at least part of the area.
Where and when should you swim in Hawaii?
Other cities and places in Hawaii:
Water temperatures in Hawaii over the entire year
On this chart, we show you the variation of the average sea water temperature in Hawaii for the cities of: Honolulu (Oahu), Maui, Captain Cook, Hana and Hilo.