June is in the middle of the dry season in Hawaii.
The weather in Hawaii in June is characterized by less rainfall and more sunny days compared to the wet season.
The average maximum temperatures in June range from 24°C (76°F) to 28°C (83°F) across the islands.
The average rainfall in June ranges from 1.8 mm (0.1 in) on Molokai Island to 170.7 mm (6.7 in) on Kauai Island.
The average seawater temperature in June is quite warm ranging from 25.4°C (77.7°F) to 26.2°C (79.2°F).
Keep on reading to find out more details on the weather conditions on each of the main Hawaiian islands in June in the guide below.
Average temperature
The table below presents the average high and low temperatures for June on the main Hawaiian islands.
In June, the average high temperatures in the Hawaiian Islands range from 24°C (76°F) on Maui and Kauai to 28°C (83°F) on Oahu.
The average low temperatures range from 15°C (59°F) on Maui to 25°C (77°F) on Hawaii, and Niihau.
| Island | Average High | Average Low |
| Hawaii | 26°C / 79°F | 25°C / 77°F |
| Maui | 24°C / 76°F | 15°C / 59°F |
| Oahu (Honolulu) | 28°C / 83°F | 21°C / 69°F |
| Kauai | 24°C / 74°F | 16°C / 60°F |
| Molokai | 27°C / 81°F | 20°C / 68°F |
| Lanai | 25°C / 77°F | 18°C / 65°F |
| Niihau | 27°C / 81°F | 25°C / 77°F |
| Kahoolawe | 26°C / 78°F | 21°C / 70°F |
For context, in the graph below, you can find the average maximum temperatures in the capital city of Hawaii, Honolulu, for the entire year.
Average seawater temperature
The average seawater temperature for each of the main Hawaiian islands in June is listed in the table below.
In June, the average seawater temperature in the Hawaiian Islands ranges from 25.4°C (77.7°F) on Maui to 26.2°C (79.2°F) on Niihau.
The ocean temperatures are relatively consistent across the islands, with about 0.8°C (1.4°F) variance.
The warm waters make it an ideal time for swimming and other water activities.
| Island | Average Temperature |
| Hawaii | 25.6°C / 78°F |
| Maui | 25.4°C / 77.7°F |
| Oahu (Honolulu) | 25.9°C / 78.6°F |
| Kauai | 25.8°C / 78.4°F |
| Molokai | 25.7°C / 78.3°F |
| Lanai | 25.8°C / 78.4°F |
| Niihau | 26.2°C / 79.2°F |
| Kahoolawe | 25.8°C / 78.4°F |
As a point of reference, the average seawater temperature across the whole year in the Honolulu region is shown in the chart below.
Average rainfall
The table below provides information on the average rainfall and the number of rainy days in June on each of the main Hawaiian islands.
June is part of the dry season in Hawaii, which means that the islands experience less rainfall during this period compared to the wet season.
In June, the average rainfall across the Hawaiian islands ranges from 1.8 mm (0.1 in) on Molokai to 170.7 mm (6.7 in) on Kauai. The number of rainy days in June varies from 0 on Molokai to 21 on Kauai.
| Island | Total Rainfall | Number of Rainy Days |
| Hawaii | 41 mm / 1.6 in | 1 |
| Maui | 22 mm / 0.9 in | 2 |
| Oahu (Honolulu) | 14.9 mm / 0.6 in | 3 |
| Kauai | 170.7 mm / 6.7 in | 21 |
| Molokai | 1.8 mm / 0.1 in | 0 |
| Lanai | 28.3 mm / 1.1 in | 3 |
| Niihau | 63 mm / 2.5 in | 2 |
| Kahoolawe | 16.8 mm / 0.7 in | 3 |
The chart below offers more context, by showing the average rainfall by month in Honolulu, the capital city situated on Oahu island.
Hawaii weather in June – FAQ
Is June rainy season in Hawaii?
No, June is a part of the dry season in Hawaii. During the dry season, which usually lasts from April to October, the islands receive less rainfall and there are more sunny days.
The rainy season, which lasts from November to March, is distinguished by increased rainfall and overcast days.
Is June a good time to go to Hawaii?
June is generally a good time to visit Hawaii, as it falls during the dry season when the rainfall is minimal. The weather in June is generally pleasant, with warm temperatures and low humidity.
The average high temperatures range from 24°C to 28°C (76°F to 83°F) across the islands, while the average low temperatures range from 15°C to 25°C (59°F to 77°F).
The seawater temperature is also warm and ranges from 25.4°C to 26.2°C (77.7°F to 79.2°F).
Is the water warm in Hawaii in June?
The average seawater temperature in June ranges from 25.4°C (77.7°F) to 26.2°C (79.2°F) across the Hawaiian islands. These temperatures are generally warm and comfortable for swimming.
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