May Weather in Lahaina, United States

Last updated: February 24, 2025

In May, Lahaina, United States welcomes the warmth of spring with maximum temperatures reaching 27°C (81°F) and an average of 24°C (76°F), creating a delightful atmosphere. The nights offer a refreshing contrast with minimum temperatures of 19°C (66°F). While the humidity levels hover around a humid 83%, visitors can expect a moderate precipitation of 25 mm (1.0 in) spread across just 2 days, making it a great time to explore the vibrant surroundings. Overall, the pleasant weather invites both relaxation and adventure by the stunning coast.

May Temperature in Lahaina

In Lahaina during May, temperatures reflect the island's warm and inviting tropical climate, with minimums around 19°C (66°F) and a pleasant average of 24°C (76°F). As the days grow longer and summer approaches, highs can reach up to 27°C (81°F), marking a slight increase from the previous months. This gradual warming trend from the cooler spring months creates perfect conditions for outdoor activities, beach outings, and exploring the stunning natural scenery. With consistently mild evenings and abundant sunshine, May is an ideal time to soak up the idyllic Hawaiian environment, making it a favorite for visitors seeking both relaxation and adventure.

May Weather in Lahaina: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Lahaina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747373747677797979787775
Data source: Temperature data for Lahaina generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Lahaina

In May, Lahaina experiences a moderate level of rainfall, with 25 mm (1.0 in) of precipitation spread over just 2 days. This marks a slight decrease compared to the wetter months of February and April, where more substantial rainfall was recorded, showcasing a gradual shift into the drier summer months ahead. Interestingly, May's precipitation is much lower than the peak levels in February and remains above the drier conditions expected in June and July. This transitional period hints at the dry spells that typically characterize Lahaina's summer, making each drop in May a refreshing reminder of the lush greenery that thrives in the region after the spring rains.

May Precipitation Trends in Lahaina

The chart displays monthly precipitation patterns in Lahaina, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec216132372511121314341037
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lahaina

As May rolls into Lahaina, the humidity begins to rise, reaching an average of 83%—a subtle yet notable increase from the previous months. This trend of escalating humidity is a precursor to the summer months, signaling the transition toward a more tropical atmosphere. With April's humidity at 82%, May welcomes slightly muggier air, which sets the stage for a summer characterized by warmer temperatures and higher moisture levels, peaking at 85% in both July and August. This gradual uptick in humidity reflects Lahaina's lush, tropical climate, enhancing its vibrant landscapes and inviting visitors to enjoy the rich natural beauty the region has to offer.

May Average Humidity in Lahaina

This chart illustrates the average monthly humidity levels in Lahaina, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%82%83%84%85%85%84%83%82%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lahaina

In May, Lahaina experiences an extreme UV Index of 12, matching the peak levels seen in April and just before the summer months. With a burn time of only 10 minutes, the sun's intensity is a reminder for residents and visitors alike to take precautions against overexposure. As June looms with an even higher UV Index of 13, it’s clear that the trend towards extreme UV levels continues as summer approaches. Consequently, regular sun protection measures become essential this time of year. For more information on UV levels throughout the year, visit Lahaina UV Index.

Maximum UV Index Levels in Lahaina for May

The chart shows the monthly maximum UV Index (UVI) for Lahaina in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810111212131313121188
Data source: Lahaina May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Lahaina

In Lahaina, May heralds a delightful peak in sunshine, with an impressive 335 hours of bright, sunny days. This period reflects a clear upward trend, as daylight hours steadily increase from January's 224 hours to April's 311 hours. Following May, the sunshine continues to shine even brighter in June with 341 hours and July, which boasts the most daylight at 350 hours. As summer unfolds, Lahaina's radiant days create an inviting atmosphere for outdoor activities and relaxation, before gradually tapering off in the fall months. This remarkable trajectory of sunshine not only underscores Lahaina's enchanting climate but also highlights the island's allure as a year-round destination.

Monthly Sunshine Duration in Lahaina: May Highlighted

The May sunshine duration represents the total number of hours Lahaina experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec224h257h292h311h335h341h350h336h317h302h273h265h
Data source: Lahaina May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lahaina During May

In Lahaina, the likelihood of sunny weather in May stands at a promising 68%, reflecting a trend of relatively consistent sunshine as the year progresses. This likelihood is just a notch below the peak months of August and October, where residents and visitors alike can bask in higher chances of clear skies. Notably, as we transition from the cooler winter months to the warmth of late spring, May's sun probability ties closely with April's 66%, suggesting a gradual warming trend. This steady pattern offers a delightful prediction for outdoor activities, with plenty of opportunities to enjoy the sun before summer's peak arrives.

Percentage of Sunny Days in May in Lahaina

The chart illustrates the percentage of sunny days in Lahaina throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lahaina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%69%57%66%68%66%63%82%69%73%69%45%
Data source: Lahaina May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lahaina in May

As May unfolds in Lahaina, the sun graces the island with an extended 13 hours of daylight, marking a delightful transition into the warmer months. This increase continues from April, where daylight shifts to a solid 12 hours, suggesting a steady elongation as spring progresses. With May's brightness, residents and visitors alike can relish the vibrant outdoor activities that come with longer evenings. Following the peak of summer, daylight begins to recede slightly in August, highlighting a gentle yet noticeable shift toward shorter days as the year approaches its end. Overall, the steady rhythm of Lahaina's daylight duration reflects a harmonious blend of seasonal change, inviting a spirit of adventure and exploration under its sunny skies.

Average Daylight Hours in Lahaina for May

The chart illustrates the variation in daylight duration in Lahaina throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h11h 27m12h 2m12h 38m13h 7m13h 21m13h 13m12h 47m12h 13m11h 37m11h 7m10h 52m
Data source: Lahaina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Lahaina

In Lahaina, May typically greets the year with a gentle breeze, as the average wind speed dips to 3.8 m/s (9 mph). This marks a noticeable decrease from the slightly higher speeds of April and March, indicating a shift towards calmer conditions as summer approaches. The trend continues into June, when the winds soften further to 3.6 m/s (8 mph), creating a serene atmosphere ideal for leisurely beach days. However, as summer settles in with July and August, the winds regain their vigor, returning to 4.6 m/s (10 mph). Overall, the month of May in Lahaina serves as a transitional period, blending the briskness of spring with the laid-back vibes of summer.

Average May Wind Speed in Lahaina

The chart displays monthly wind speed patterns in Lahaina, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.24.84.53.8 m/s3.64.64.64.44.83.44.6
Data source: Lahaina May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Lahaina Compares to Other Months

The weather in Lahaina changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lahaina and find detailed weather information for every month.

In comparison to January, May exhibits slightly warmer temperatures, with average highs reaching up to 27°C (81°F) compared to January's maximum of 26°C (79°F). While January has a minimum temperature of 20°C (68°F), May's minimum remains a bit lower at 19°C (66°F). Precipitation is slightly higher in May, totaling 25 mm (1.0 in) over 2 days, as opposed to January's 21 mm (0.8 in) over 3 days. The humidity is also a bit higher in May at 83%, compared to January's 78%. Overall, May tends to offer warmer and more humid conditions than January. For more details, check out Lahaina weather in January.

When comparing the weather in May to that of February, it’s evident that both months experience warm temperatures, but with some notable differences. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 27°C (81°F), with an average of 24°C (76°F) and relatively low precipitation of 25 mm (1.0 in) over just 2 days. In contrast, February sees slightly cooler temperatures, with a minimum of 18°C (64°F), a maximum of 26°C (79°F), and an average of 23°C (73°F). Additionally, February is wetter, receiving 61 mm (2.4 in) of rain across 8 days, alongside slightly lower humidity at 79%. For those interested in more details about February weather in Lahaina, visit Lahaina weather in February.

In March, the weather is slightly cooler with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 26°C (80°F), while May sees a warmer average of 24°C (76°F) with maximums reaching 27°C (81°F). Additionally, March tends to have more precipitation, with 32 mm (1.3 in) over 4 days compared to May's 25 mm (1.0 in) spread across just 2 days. Humidity levels remain relatively high in both months, with March at 79% and May slightly higher at 83%. For more detailed insights on March weather patterns, check out Lahaina weather in March.

In comparing the weather of May and April, we see that both months maintain an average temperature of around 24°C (75°F), but May tends to be slightly warmer, with a maximum of 27°C (81°F) compared to April's maximum of 26°C (80°F). April experiences more precipitation, recording 37 mm (1.5 in) over 5 days, whereas May sees only 25 mm (1.0 in) across just 2 days, indicative of a drier month. Additionally, humidity levels remain fairly consistent, with May at 83% and April at 82%. For more detailed information, you can check Lahaina weather in April.

In comparing the weather between May and June, June tends to be slightly warmer with minimum temperatures starting at 23°C (74°F) compared to May's 19°C (66°F). The average temperature in June is also marginally higher at 25°C (78°F) compared to May’s average of 24°C (76°F). Both months experience a similar number of precipitation days, but June has significantly less rainfall, totaling only 11 mm (0.5 in) versus May's 25 mm (1.0 in). Humidity levels remain comparable, with June at 84% and May at 83%. For more detailed weather insights, you can check Lahaina weather in June.

In comparing the weather between May and July, we observe that temperatures tend to rise in July, with minimum temperatures starting at 23°C (74°F) compared to May's 19°C (66°F), and reaching an average of 26°C (79°F) in July versus 24°C (76°F) in May. The maximum temperatures also increase slightly from 27°C (81°F) in May to 29°C (84°F) in July. Rainfall is notably lower in July, with only 12 mm (0.5 in) compared to May's 25 mm (1.0 in), though both months experience precipitation on the same number of days—just 2. Humidity levels remain quite similar, with July's humidity at 85% compared to May's 83%. For more specifics about the climate, check out Lahaina weather in July.

In comparing the weather between May and August, we can see that August tends to be slightly warmer, with average temperatures hovering around 26°C (79°F) compared to May's 24°C (76°F). May has a lower temperature range, with a maximum of 27°C (81°F), while August peaks at 29°C (85°F). Precipitation also differs, with May seeing 25 mm of rain over 2 days, whereas August experiences less rain at 13 mm, maintaining the same frequency of rainy days. The humidity remains relatively high in both months, with May at 83% and August slightly higher at 85%. For more detailed information on August weather, you can visit Lahaina weather in August.

May and September showcase distinctly warm weather patterns, but with some notable differences. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 27°C (81°F), with an average of 24°C (76°F) and relatively high humidity at 83%. There’s light precipitation during this month, typically amounting to 25 mm (1.0 in) over 2 days.

In contrast, September tends to be slightly warmer, with minimum temperatures of 23°C (74°F) and maximums reaching 30°C (86°F), averaging at 26°C (79°F). The humidity is comparable at 84%, but rainfall is less frequent, totaling just 14 mm (0.5 in) over 3 days. Overall, while both months are warm and humid, September enjoys higher temperatures and slightly lower precipitation levels. For more details, check out Lahaina weather in September.

When comparing the weather in May and October, one can observe a gradual increase in temperatures. In May, the temperatures range from a minimum of 19°C (66°F) to a maximum of 27°C (81°F), with an average temperature of 24°C (76°F). In contrast, October experiences slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 29°C (85°F), leading to an average of 26°C (78°F). Additionally, October sees an increase in precipitation, with 34 mm (1.3 in) over five days, compared to May's 25 mm (1.0 in) over just two days. However, both months share a consistent humidity level of 83%. For a more detailed look at October weather, check out Lahaina weather in October.

May and November exhibit relatively similar weather patterns, with May experiencing slightly lower temperatures. In May, the minimum temperature rests at 19°C (66°F), with an average of 24°C (76°F) and a maximum of 27°C (81°F). The month records a modest 25 mm (1.0 in) of precipitation over 2 days, coupled with humidity levels at 83%. In contrast, November features a slightly warmer climate, with minimum temperatures of 22°C (71°F), averaging 25°C (77°F) and peaking at 28°C (83°F). Precipitation in November is less, totaling just 10 mm (0.4 in) over the same number of days, while the humidity remains nearly unchanged at 82%. For more details, you can check out Lahaina weather in November.

In comparing the weather of May and December, both months exhibit warm temperatures, with averages around 24°C (75°F) and maximums peaking at 27°C (81°F). However, May typically has slightly lower minimum temperatures, averaging 19°C (66°F) compared to December's 21°C (69°F). While both months experience some precipitation, December tends to have more, with 37 mm (1.4 in) over about three days, compared to May's 25 mm (1.0 in) over two days. Additionally, humidity is slightly higher in May at 83%, compared to December's 81%. For more details on December weather, check Lahaina weather in December.

Compare Lahaina's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Lahaina

As spring transitions to summer, May in Lahaina offers a delightful shift in weather that invites outdoor activities and exploration. With an average temperature of around 24°C, the warmth is complemented by a pleasant breeze, making the high humidity of 83% feel more comfortable. The month usually sees minimal rainfall, with just a couple of days of light precipitation, which means plenty of sunshine for those eager to soak in the beauty of this Hawaiian paradise. Compared to the wetter months earlier in the year, May provides a strikingly drier and warmer climate, ideal for beach excursions and enjoying the vibrant local culture. For a deeper understanding of Lahaina's weather patterns, explore Lahaina Climate.