May Weather in Ko Olina, United States

Last updated: February 24, 2025

Experience the delightful weather of Ko Olina, United States in May, where temperatures pleasantly range from a minimum of 20°C (68°F) to a maximum of 27°C (80°F), with an average of 24°C (76°F). This ideal climate, characterized by 82% humidity, creates a warm and inviting atmosphere. With only 16 mm (0.6 in) of precipitation over a mere 1 day, outdoor activities are welcomed and enjoyed under the sun. May in Ko Olina promises a perfect blend of warmth and calm, making it an enchanting destination for travelers.

May Temperature in Ko Olina

In May, Ko Olina experiences a delightful transition into warmer weather, with minimum temperatures around 20°C (68°F) and average highs reaching up to 27°C (80°F). This marks a slight increase from April, where temperatures were cooler, signaling the beginning of summer's embrace. The steady average of 24°C (76°F) suggests pleasantly mild days perfect for outdoor activities. As the month progresses, Ko Olina's climate sets the stage for more sunshine and warmth, creating an inviting atmosphere that encourages visitors to explore its stunning beaches and vibrant scenery. The upward trend continues into June, but May remains a sweet spot for those seeking a comfortable escape.

May Weather in Ko Olina: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ko Olina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747373757678797979797775
Data source: Temperature data for Ko Olina 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 Ko Olina

In Ko Olina, United States, May tends to be a relatively dry month, with only 16 mm (0.6 in) of precipitation recorded, which typically falls over just one day. This minimal rain contributes to the overall trend of decreasing precipitation as spring transitions into summer, following a slightly wetter April that saw 21 mm of rainfall. In comparison to the earlier months of the year, such as February and March, which experienced significant rainfall of 58 mm and 59 mm, respectively, May offers a sense of reprieve from the wet conditions. The low precipitation in May signifies the onset of a drier season, providing ample opportunity for outdoor activities in the beautiful Hawaiian landscape.

May Precipitation Trends in Ko Olina

The chart displays monthly precipitation patterns in Ko Olina, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1059592116336913421871
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ko Olina

In May, Ko Olina experiences a notable rise in humidity, peaking at 82%, which sets the stage for the warmer summer months ahead. This increase is part of a gradual trend observed since April, where humidity levels climbed from 81%. Leading into June and July, humidity remains elevated, consistently hovering between 82% and 83%. Such humidity levels create a lush and tropical atmosphere, making May an enticing time for visitors who enjoy vibrant natural scenery and the warm embrace of island life. The gradual ascent in humidity during this time suggests a transition into the more sultry months, enhancing the allure of Ko Olina’s stunning beaches and landscapes.

May Average Humidity in Ko Olina

This chart illustrates the average monthly humidity levels in Ko Olina, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ko Olina

In May, the UV Index in Ko Olina remains at an extreme level of 12, mirroring the trend established in April. This indicates a heightened need for sun protection, as the burn time is a mere 10 minutes for unprotected skin. As we transition from the earlier months, which also exhibited high UV readings, the pattern of increasing intensity continues, emphasizing May's critical warning for outdoor enthusiasts. With the summer months approaching, staying vigilant against UV exposure is essential, reinforcing the need to be prepared with proper sun safety measures. To explore more about this vital information, visit Ko Olina UV Index.

Maximum UV Index Levels in Ko Olina for May

The chart shows the monthly maximum UV Index (UVI) for Ko Olina 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.
JanFebMarAprMayJunJulAugSepOctNovDec810111212121312121187
Data source: Ko Olina 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 Ko Olina

As May unfolds in Ko Olina, the sun graces the skies with an impressive 338 hours of sunshine, marking a peak in the annual trend of increasing daylight. Beginning with 219 hours in January, the days grow palpably longer as spring progresses, culminating in May's brilliance. This month not only embraces the height of sunny days but sets the stage for the consistent glow of summer, where sunshine remains abundant in June and July. The gradual tapering off in the following months signals a shift towards autumn, yet the warmth of May lingers in the hearts of locals and visitors alike, inviting them to bask in the joyful glow of this Hawaiian paradise.

Monthly Sunshine Duration in Ko Olina: May Highlighted

The May sunshine duration represents the total number of hours Ko Olina 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.
JanFebMarAprMayJunJulAugSepOctNovDec219h255h286h308h338h338h349h338h318h301h273h253h
Data source: Ko Olina May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ko Olina During May

In Ko Olina, United States, the month of May stands out with an impressive 74% chance of sunny weather, marking it as one of the sunniest times of the year. This peak follows a steady increase from the previous months, starting at 63% in January and climbing gradually to 66% in April. Interestingly, May shares its high sun probability with August, suggesting a delightful warmth and brightness at the mid-point and end of summer. With spring giving way to summer, residents and visitors can expect more consistent sunshine, setting the perfect backdrop for outdoor activities and beach days in this stunning coastal locale.

Percentage of Sunny Days in May in Ko Olina

The chart illustrates the percentage of sunny days in Ko Olina 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 Ko Olina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%65%54%66%74%68%61%75%71%70%64%43%
Data source: Ko Olina May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ko Olina in May

In Ko Olina, the daylight duration gradually increases as the year unfolds, reaching a peak of 13 hours in both May and June. Starting from 10 hours in January, the days lengthen noticeably each month, with March and April featuring a balanced 12 hours. As summer approaches, the extended daylight invites more outdoor activities and enjoyment of the beautiful Hawaiian landscape. Following the summer months, daylight begins to taper off slightly, settling back to 12 hours in August and declining to 11 hours by October. This cyclical pattern of daylight not only enhances the vibrant atmosphere of the area but also highlights the region's lovely seasonal transitions.

Average Daylight Hours in Ko Olina for May

The chart illustrates the variation in daylight duration in Ko Olina throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 59m11h 26m12h 2m12h 38m13h 9m13h 23m13h 15m12h 48m12h 13m11h 37m11h 5m10h 50m
Data source: Ko Olina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ko Olina

In May, Ko Olina experiences a gentle shift in its wind patterns, with an average wind speed of 6.1 m/s (14 mph). This month continues the trend of the preceding April, which saw slightly lower winds, averaging 5.9 m/s (13 mph). As spring transitions towards summer, May's winds create a pleasant atmosphere, ideal for outdoor activities. Notably, July follows with a notable increase, reaching 7.8 m/s (18 mph), suggesting that the windy season is just around the corner. Overall, May's breezes provide a comfortable backdrop, maintaining the enchanting charm of Ko Olina while hinting at the more vigorous winds that lie ahead.

Average May Wind Speed in Ko Olina

The chart displays monthly wind speed patterns in Ko Olina, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.16.47.15.96.1 m/s5.97.86.56.87.34.77.3
Data source: Ko Olina May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ko Olina Compares to Other Months

The weather in Ko Olina 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 Ko Olina and find detailed weather information for every month.

In comparing the weather between May and January, both months share a similar temperature range, with May seeing slightly higher maximum temperatures of 27°C (80°F) compared to January's peak of 25°C (78°F). The humidity levels are similar as well, with May at 82% and January at 78%, giving both months a warm and tropical feel. However, May experiences a bit more precipitation, with 16 mm (0.6 in) over just one day, while January has less at 10 mm (0.4 in) across two days. For more detailed insights on January weather, please visit Ko Olina weather in January.

When comparing the weather in May and February, May generally offers warmer temperatures, with a minimum of 20°C (68°F) and an average high of 27°C (80°F), while February sees slightly cooler temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F). Additionally, May benefits from significantly less precipitation, with only 16 mm (0.6 in) falling over just one day, compared to February's 58 mm (2.3 in) spread over seven days. Humidity levels are fairly similar, with May at 82% and February at 79%. For more specifics on February weather, you can check Ko Olina weather in February.

When comparing the weather in May and March, May typically offers slightly warmer temperatures with a minimum of 20°C (68°F) and an average of 24°C (76°F), compared to March's minimum of 19°C (67°F) and average of 23°C (74°F). May also enjoys less precipitation, receiving only 16 mm (0.6 in) over just one day, while March sees significantly more rain at 59 mm (2.3 in) spread across six days. Additionally, humidity is higher in May at 82%, compared to 78% in March, suggesting that May may feel a bit more muggy despite its warmer temperatures. For more details on the weather in March, you can refer to Ko Olina weather in March.

When comparing the weather in May and April, we see a slight variation in both temperature and precipitation. In May, the minimum temperature is slightly lower at 20°C (68°F), while the average temperature remains stable at 24°C (76°F), and the maximum reaches 27°C (80°F). In contrast, April experiences a higher minimum temperature of 21°C (70°F) and a slightly lower maximum of 25°C (78°F). Additionally, May sees less precipitation, with only 16 mm (0.6 in) over just one day, compared to April's 21 mm (0.8 in) spread over three days. Humidity levels are fairly comparable, with May at 82% and April at 81%. For more details on April weather, you can visit Ko Olina weather in April.

In comparing the weather of May and June, both months experience relatively warm temperatures, but June tends to be slightly warmer. May sees minimum temperatures around 20°C (68°F) and an average of 24°C (76°F), while June starts at a higher minimum of 23°C (73°F) and maintains a similar average of 25°C (78°F). Both months share a maximum temperature of 27°C (81°F), but June is characterized by increased precipitation, with 33 mm (1.3 in) compared to May's 16 mm (0.6 in), despite having the same number of rainy days—only one. Humidity levels remain consistent at 82% for both months, resulting in a tropical feel. For a closer look at June's weather specifics, visit Ko Olina weather in June.

In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 27°C (80°F), with an average of 24°C (76°F). The month sees a modest amount of rainfall, with 16 mm (0.6 in) over just one day, and humidity levels at 82%. In contrast, July experiences slightly warmer conditions, with minimum temperatures of 24°C (75°F) and a maximum of 28°C (82°F), averaging around 26°C (79°F). Rainfall is minimal in July as well, totaling just 6 mm (0.3 in) also over one day, while humidity remains similar at 83%. For a more detailed look at July weather, visit Ko Olina weather in July.

May and August present a warm and pleasant climate, though with some notable differences. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 27°C (80°F), with an average of 24°C (76°F) and relatively higher humidity at 82%. Precipitation is minimal, with only 16 mm (0.6 in) over one day. Conversely, August experiences slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 26°C (80°F), and a maximum of 28°C (83°F). The humidity remains similar at 83%, but precipitation is even lower at 9 mm (0.4 in) spread over two days. For more detailed information, you can check Ko Olina weather in August.

In May, temperatures are pleasantly warm, with minimums around 20°C (68°F) and averages of 24°C (76°F), reaching a maximum of 27°C (80°F). The month experiences light precipitation, totaling 16 mm (0.6 in) over just one day, while maintaining a humidity level of 82%. In contrast, September offers slightly warmer conditions, featuring minimum temperatures of 24°C (76°F), average temperatures of 26°C (80°F), and maximums peaking at 28°C (83°F). This month sees a bit less rainfall, at 13 mm (0.5 in) spread over two days, yet humidity remains constant at 82%. For a closer look at what September weather has to offer, check out Ko Olina weather in September.

In comparing the weather of May and October, we see some notable differences. May typically enjoys milder temperatures with a minimum of 20°C (68°F) and an average of 24°C (76°F), while October features slightly warmer conditions with a minimum of 23°C (73°F) and an average temperature of 26°C (79°F). Additionally, October experiences more precipitation, with 42 mm (1.7 in) expected over about 5 days compared to just 16 mm (0.6 in) over 1 day in May. Humidity levels remain similar between the two months, with May at 82% and October slightly lower at 81%. For more details on what to expect in October, you can check out Ko Olina weather in October.

May and November in Ko Olina display relatively warm temperatures, with averages around 24°C (76°F) in May and slightly higher at 25°C (78°F) in November. Both months experience similar maximum temperatures, peaking at 27°C (80°F) in May and 27°C (81°F) in November. However, May typically enjoys only 16 mm (0.6 in) of precipitation spread over just one day, while November sees a bit more rain with 18 mm (0.7 in) over five days. The humidity remains quite high in both months, with May at 82% and November at 80%. For more details on November conditions, you can view Ko Olina weather in November.

May and December in Ko Olina exhibit relatively mild temperatures, with May recording a minimum of 20°C (68°F) and an average of 24°C (76°F), compared to December's slightly cooler temperatures with a minimum of 19°C (67°F) and the same average. Both months experience similar maximum temperatures, with May peaking at 27°C (80°F) and December at 26°C (79°F). However, December is notably wetter, receiving 70 mm (2.8 in) of precipitation over 5 days, while May has significantly less rainfall at 16 mm (0.6 in) across just 1 day. Humidity levels are also quite close, with May at 82% and December at 79%. For more details, check Ko Olina weather in December.

Compare Ko Olina's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ko Olina

In May, Ko Olina experiences pleasantly warm temperatures that typically range from a comfortable 20°C (68°F) to a delightful 27°C (80°F). Compared to the cooler months, May sees a slight increase in warmth, making it an ideal time for outdoor activities. Additionally, rainfall is minimal, with only about 16 mm falling on average in a single day, contributing to the region's scenic beauty and lush landscapes. The overall humidity remains high at 82%, but the balmy atmosphere is balanced by gentle ocean breezes. This combination makes May a perfect transition month into the summer season. For those looking to plan their visit, the details can be further explored at Ko Olina Climate.