May Weather in Kahalu'u, United States

Last updated: February 24, 2025

May in Kahalu'u, United States, brings mild temperatures and a touch of tropical charm. With maximums reaching 28°C (82°F) and an average of 24°C (75°F), visitors can expect warm days perfect for exploring the stunning coastline. Evening temperatures dip to a comfortable minimum of 18°C (65°F). While the month is characterized by average precipitation of 44 mm (1.7 in) over 13 days, the humidity hovers around 82%, contributing to the lush surroundings and vibrant landscapes. Embrace the gentle rain showers that add to the region's allure, making May an enchanting time to experience Kahalu'u.

May Temperature in Kahalu'u

In Kahalu'u, United States, May heralds the transition into warmer temperatures as spring gives way to summer. With a minimum temperature of 18°C (65°F) and a pleasant average of 24°C (75°F), the month offers a comfortable retreat from the cooler months. Daytime highs climb to 28°C (82°F), allowing residents and visitors to enjoy sunny days outdoors. This upward trend in temperatures from April's averages reflects a steady warm-up, with May marking one of the last months before the heat peaks in the summer. As the days grow longer and the humidity rises, this vibrant coastal locale becomes a popular escape, perfectly suited for beach outings and outdoor adventures.

May Weather in Kahalu'u: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Kahalu'u, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737272747577787979787674
Data source: Temperature data for Kahalu'u 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 Kahalu'u

In Kahalu'u, May brings a moderate precipitation level of 44 mm (1.7 in), making it one of the drier months of the year, especially in comparison to the notably wetter spring months of February and March, which see averages of 82 mm (3.2 in) and 89 mm (3.5 in), respectively. The month experiences approximately 13 precipitation days, aligning with April's trend, but showing a decrease from the heavy rainfall in earlier months. This slight dip in rainfall signals the transition towards summer, as moisture levels decrease leading into June, when the annual cycle picks up again to 56 mm (2.2 in) of rain. Overall, May's weather patterns reflect the gradual shift from the lushness of spring towards the drier summer months, offering a balance of rainfall that supports the region's vibrant ecosystem.

May Precipitation Trends in Kahalu'u

The chart displays monthly precipitation patterns in Kahalu'u, 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.
JanFebMarAprMayJunJulAugSepOctNovDec348289514456394137664987
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Kahalu'u

In Kahalu'u, the month of May marks a notable rise in humidity, reaching 82%, which signifies the continuation of a trend observed since April. This increase reflects the gradual transition towards the summer months, where humidity levels typically peak. Throughout the year, the humidity fluctuates, starting at 78% in January and gradually climbing, with July and August recording the highest levels at 83%. The humidity then slightly decreases as the year progresses into the cooler months. This steady upward trajectory from early spring through summer accentuates Kahalu'u's subtropical climate, contributing to the lush landscapes and vibrant ecosystems characteristic of the region.

May Average Humidity in Kahalu'u

This chart illustrates the average monthly humidity levels in Kahalu'u, 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 Kahalu'u

In May, Kahalu'u experiences an extreme UV Index of 12, consistent with the escalating trend seen in previous months. With a burn time of just 10 minutes, it’s crucial for residents and visitors to take precautions against overexposure to the sun. This month marks a peak that aligns with the transition into the summer months, where the UV Index remains dangerously high, reaching 13 in June and continuing through August. The trend reflects a persistent need for sun safety in Kahalu'u, making it essential to stay informed and protected. For detailed information and tips on managing UV exposure, visit Kahalu'u UV Index.

Maximum UV Index Levels in Kahalu'u for May

The chart shows the monthly maximum UV Index (UVI) for Kahalu'u 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.
JanFebMarAprMayJunJulAugSepOctNovDec710111212131313121187
Data source: Kahalu'u 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 Kahalu'u

As May arrives in Kahalu'u, the days become increasingly radiant, with 335 hours of sunshine illuminating the landscape—a notable peak that continues the upward trend seen since the winter months. Transitioning from January's 219 hours, each subsequent month has basked in a growing abundance of sunlight, culminating in the bright glow of late spring. This trajectory peaks as summer approaches, where the 338 hours of June and 349 hours of July promise even brighter days ahead. The lengthening hours of sunshine not only enhance the beauty of Kahalu'u but also uplift spirits, making May a truly vibrant month on the calendar.

Monthly Sunshine Duration in Kahalu'u: May Highlighted

The May sunshine duration represents the total number of hours Kahalu'u 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.
JanFebMarAprMayJunJulAugSepOctNovDec219h249h286h309h335h338h349h338h319h301h272h255h
Data source: Kahalu'u May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kahalu'u During May

May in Kahalu'u, United States, marks a delightful shift towards sunnier days, boasting a 64% chance of sunshine. This month stands out as the peak of spring, showing a significant increase from the preceding months, particularly April's 54% and March's 46%. As the seasons transition, May's sunny probabilities reflect a broader trend of increasing daylight and brighter skies leading into summer. Following May, the likelihood remains relatively high into June at 61%, but July dips to 48%, highlighting a unique weather pattern that captures the essence of Kahalu'u's changing climate. Overall, May promises a vibrant glimpse of the sunny days ahead!

Percentage of Sunny Days in May in Kahalu'u

The chart illustrates the percentage of sunny days in Kahalu'u 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 Kahalu'u experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%59%46%54%64%61%48%64%59%62%57%36%
Data source: Kahalu'u May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kahalu'u in May

As spring transitions into summer, Kahalu'u experiences a remarkable increase in daylight, with May boasting 13 hours of sunshine—a delightful perk for outdoor enthusiasts and nature lovers. This month marks the peak of a steady climb in daylight that begins in January with just 10 hours. Following the 11 hours recorded in February, days grow longer, reaching 12 hours in both March and April. May holds its own at 13 hours, a duration that persists into June and July, before slowly tapering off in the late summer months of August and September. As the year progresses towards fall, the daylight begins to wane again, gradually descending back to 11 hours in November and returning to the 10 hours of winter by December. The progression reflects a rhythmic dance of daylight that enriches the experience of living in this vibrant locale.

Average Daylight Hours in Kahalu'u for May

The chart illustrates the variation in daylight duration in Kahalu'u 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 24m13h 15m12h 48m12h 13m11h 36m11h 5m10h 50m
Data source: Kahalu'u daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kahalu'u

In Kahalu'u, United States, May showcases a gentle continuation of the mild winds that have characterized the spring months. With an average wind speed of 5.7 m/s (13 mph), May mirrors the slight breeziness of both March and February, suggesting a consistent atmospheric pattern. This month stands out with winds formally transitioning towards the stronger gusts of early summer, which peak in July at 7.0 m/s (16 mph). Interestingly, the wind speeds remain relatively stable throughout the latter part of the year, with a notable dip in November, where the average falls to 4.1 m/s (9 mph). Overall, May serves as a pivotal prelude to the summer winds, maintaining a pleasantly steady force, perfect for outdoor activities and appreciation of Kahalu'u’s natural beauty.

Average May Wind Speed in Kahalu'u

The chart displays monthly wind speed patterns in Kahalu'u, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.15.75.95.05.7 m/s5.57.05.96.16.24.16.2
Data source: Kahalu'u May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kahalu'u Compares to Other Months

The weather in Kahalu'u 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 Kahalu'u and find detailed weather information for every month.

In May, temperatures are slightly warmer with an average of 24°C (75°F) and maximums reaching 28°C (82°F), while January offers a cooler experience with an average of 23°C (73°F) and maximums around 27°C (80°F). May experiences more precipitation, with 44 mm (1.7 in) over approximately 13 days, compared to January's 34 mm (1.3 in) over just 9 days. The humidity levels are also slightly higher in May at 82%, compared to January's 78%. For a more detailed comparison of January weather, you can visit Kahalu'u weather in January.

In comparison to February, May experiences slightly warmer temperatures with a minimum of 18°C (65°F) and an average of 24°C (75°F), versus February's minimum of 16°C (62°F) and average of 22°C (72°F). The maximum temperatures in May reach up to 28°C (82°F), slightly higher than February's maximum of 26°C (79°F). Precipitation levels also differ, with February receiving 82 mm (3.2 in) of rain over 14 days, while May sees less rain at 44 mm (1.7 in) across 13 days. However, humidity levels are quite similar, with May at 82% and February at 79%. For a detailed look at February's weather patterns, check out Kahalu'u weather in February.

In comparing the weather between March and May, it is evident that both months enjoy warm temperatures, but there are some key differences. March has slightly cooler average temperatures, with a minimum of 19°C (66°F) and a maximum of 27°C (81°F), whereas May features a minimum of 18°C (65°F) and a higher maximum of 28°C (82°F). Precipitation is more significant in March, with 89 mm (3.5 in) falling over 16 days, compared to May's 44 mm (1.7 in) over 13 days. Humidity levels are also comparable, but slightly higher in May at 82% versus March's 78%. For more detailed weather conditions in March, check out Kahalu'u weather in March.

In comparing the weather of May and April, we observe that both months have similar temperature ranges, with May featuring a minimum of 18°C (65°F) and an average of 24°C (75°F), while April has a slightly warmer minimum of 19°C (66°F) and an average of 23°C (74°F). The maximum temperatures in both months are also close, with May reaching up to 28°C (82°F) and April peaking at 27°C (80°F). However, April has a higher precipitation level at 51 mm (2.0 in) compared to May's 44 mm (1.7 in), although both months have 13 days of rainfall. Humidity remains similar, with May at 82% and April at 81%. For a more detailed look at April's weather, visit Kahalu'u weather in April.

In comparing the weather between May and June, we observe a gradual warming trend as summer approaches. May experiences a minimum temperature of 18°C (65°F) and averages around 24°C (75°F), while June's temperatures are slightly higher, with a minimum of 22°C (72°F) and an average of 25°C (77°F). Both months have a maximum temperature cap around 28°C (82°F), but June sees an increase in precipitation to 56 mm (2.2 in) over 11 days, compared to May's 44 mm (1.7 in) across 13 days. Interestingly, the humidity remains constant at 82% for both months, making for a consistently muggy atmosphere. For more detailed insights, you can check Kahalu'u weather in June.

May and July showcase subtle differences in weather conditions. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 28°C (82°F), with an average of 24°C (75°F). The month experiences about 44 mm (1.7 in) of precipitation over 13 days, coupled with a humidity level of 82%. In contrast, July presents slightly warmer temperatures, with a minimum of 22°C (72°F), an average of 26°C (78°F), and a maximum of 28°C (83°F). Although July has slightly less precipitation at 39 mm (1.5 in) over 16 days, humidity remains comparable at 83%. For more specific insights about July weather, check out Kahalu'u weather in July.

May and August exhibit warm temperatures, but there are notable differences. In May, the average temperature is slightly cooler, ranging from a minimum of 18°C (65°F) to a maximum of 28°C (82°F), while August showcases a warmer profile with a minimum of 23°C (73°F) and a maximum of 29°C (85°F). Precipitation levels are similar, with May receiving 44 mm (1.7 in) over 13 days compared to August’s 41 mm (1.6 in) across 12 days. Humidity is consistent between the two months, hovering around 82% in May and 83% in August. For more details, you can check the weather trends here: Kahalu'u weather in August.

May and September offer relatively pleasant weather, but with some notable differences. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 28°C (82°F), averaging around 24°C (75°F). The month experiences about 44 mm (1.7 in) of precipitation over approximately 13 days, contributing to a humidity level of 82%. In contrast, September tends to be slightly warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). This month has lower precipitation at 37 mm (1.5 in) over about 12 days, while maintaining the same humidity level of 82%. For more details, check out Kahalu'u weather in September.

May and October present notably warm weather, but with some differences in temperature and precipitation. In May, the temperatures range from a minimum of 18°C (65°F) to a maximum of 28°C (82°F), averaging around 24°C (75°F). The month experiences about 44 mm (1.7 in) of precipitation over 13 days, accompanied by relatively high humidity at 82%. In contrast, October is slightly warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), averaging 25°C (78°F). This month sees increased precipitation of 66 mm (2.6 in) spread across 15 days, with humidity at a similar level of 81%. For a more detailed look at the weather trends, you can check Kahalu'u weather in October.

May and November have similar warm temperatures, with November averaging slightly higher at 25°C (76°F) compared to May's 24°C (75°F). Both months experience high humidity levels, hovering around 80% to 82%, creating a tropical atmosphere. However, November sees a bit more precipitation, totaling 48 mm (1.9 in) over 16 days, while May has 44 mm (1.7 in) spread across 13 days. For detailed weather information, you can check out Kahalu'u weather in November.

In comparing the weather of May and December, both months feature a minimum temperature of 18°C (65°F), but May tends to be slightly warmer overall, with an average of 24°C (75°F) compared to December's 23°C (74°F). The maximum temperatures also reflect this trend, with May reaching up to 28°C (82°F), while December peaks at 27°C (81°F). Precipitation is more pronounced in December, with 87 mm (3.4 in) falling over 16 days, in contrast to the 44 mm (1.7 in) spread across 13 days in May. Humidity remains relatively high in both months, with December being marginally less humid at 79% compared to May's 82%. For a detailed look at December conditions in Kahalu'u, you can visit Kahalu'u weather in December.

Compare Kahalu'u's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kahalu'u

In May, Kahalu'u experiences a delightful balance of warmth and humidity, making it a captivating time to visit. With average temperatures reaching around 24°C (75°F), it’s noticeably warmer than the cooler months, yet still offers a comforting escape from the summer heat. Although it sees around 13 days of rain, the 44 mm of precipitation contributes to the lush landscape, contrasting with the drier days experienced earlier in the year. The humidity level of 82% adds a tropical vibe, inviting visitors to immerse themselves in the vibrant surroundings. For more insights into the weather patterns that define this beautiful area, visit Kahalu'u Climate.