World sea water temperatures

Water temperature in Lahaina (HI) in May

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Is it warm enough to swim in Lahaina in May? Average water temperature in Lahaina in May is 77.9°F and therefore suitable for comfortable swimming. The warmest sea in Lahaina in May is 81°F, and the coldest is 75.6°F. Average high air temperature in Lahaina in May is 84°F, and average low temperature is 67°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lahaina

Changes water temperature in Lahaina in May 2025, 2024

To get an accurate forecast for the water temperature in Lahaina for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Lahaina, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 179.2°F77.2°F75.6°F79.2°F
May 279°F77.5°F75.6°F79°F
May 379.2°F77.9°F75.9°F79.2°F
May 478.8°F77.5°F76.1°F78.8°F
May 578.4°F77.9°F76.3°F78.6°F
May 678.8°F77.2°F75.9°F78.8°F
May 778.8°F77.2°F76.3°F78.8°F
May 878.6°F76.8°F76.3°F78.6°F
May 978.6°F77°F76.1°F78.8°F
May 1078.6°F77.4°F76.1°F79°F
May 1178.4°F77.4°F76.3°F78.4°F
May 1278.3°F78.3°F76.3°F78.4°F
May 1378.1°F78.1°F76.1°F78.4°F
May 1477.2°F78.1°F76.3°F78.8°F
May 1577.7°F78.1°F76.6°F79.3°F
Day 2025 2024 Min Max
May 1678.1°F78.3°F76.8°F79.2°F
May 1778.1°F78.1°F76.8°F79.2°F
May 1878.4°F78.1°F76.6°F78.8°F
May 1978.6°F77.9°F76.5°F79.2°F
May 2078.6°F78.6°F76.5°F79.3°F
May 2178.6°F78.4°F76.6°F79.7°F
May 2278.8°F79°F76.5°F79.7°F
May 2378.6°F78.4°F76.5°F79.7°F
May 2479°F78.1°F76.3°F79.7°F
May 2579.3°F78.4°F76.3°F80.1°F
May 2679.2°F78.3°F76.6°F79.5°F
May 2779.5°F78.4°F76.8°F79.7°F
May 2879.7°F78.4°F76.8°F80.4°F
May 2979.3°F78.8°F76.5°F80.4°F
May 3079.7°F78.3°F76.1°F81°F
May 3179.9°F77.7°F76.3°F80.6°F
Lahaina water temp chart in May

Average water temperature in Lahaina in May over a decade

20162017201820192020
78.4°F78.4°F77.7°F79°F78.6°F
20212022202320242025
77.5°F77.4°F77.9°F77.9°F78.8°F

Lahaina sea state in May

Chart comparing the height of waves in Lahaina in May over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Lahaina in May

Weather and climate in Lahaina in May

This data display average monthly climate indicators in Lahaina in May based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature84°F
  • Average LOW temperature67°F
  • Average rainfall days8 days
  • Average rainfall84mm/3.3''
  • Average daylight13h
  • Average sunshine9h
  • Average UV index11

Lahaina water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in May?

Want to know where the water temperature in May is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Olowalu77.7°F75.6°F81°F
Kaanapali77.7°F75.4°F80.4°F
Kahekili Beach Park77.7°F75.4°F80.4°F
Kahana77.5°F75.2°F80.2°F
Waihee-Waiehu77°F74.7°F79.2°F
Maalaea77.7°F75.4°F80.4°F
Sugar Beach77.7°F75.4°F80.4°F
Napili Bay77.2°F74.8°F79.7°F
Kapalua77°F74.7°F79.3°F
Honolua Bay77°F74.7°F79.3°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Lahaina is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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