May Weather in Kilauea, United States

Last updated: February 24, 2025

In Kilauea during May, temperatures showcase a delightful range, with a maximum of 27°C (80°F) and an average of 23°C (75°F). The minimum dipping to 20°C (67°F) creates a comfortable atmosphere for both residents and visitors. However, this month brings notable precipitation, totaling 45 mm (1.8 in) across 13 days, contributing to the region's lush landscapes. Coupled with a high humidity level of 83%, May in Kilauea offers a unique tropical experience, inviting exploration amidst its vibrant, verdant surroundings.

May Temperature in Kilauea

In May, Kilauea, United States, experiences a delightful transition into warmer weather, with temperatures reflecting a gradual increase as the month progresses. The minimum temperature rises to a comfortable 20°C (67°F), while the average hovers around 23°C (75°F), peaking at a pleasant 27°C (80°F) during the day. This trend marks a subtle departure from the cooler earlier months, signaling the approach of summer. Notably, the maximum temperature reaches its highest point compared to the previous months, highlighting May as a time when outdoor activities become even more inviting, allowing both locals and visitors to fully enjoy the lush landscapes and vibrant atmosphere of this beautiful Hawaiian destination.

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

The chart illustrates May temperature patterns in Kilauea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727171737476777878777573
Data source: Temperature data for Kilauea 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 Kilauea

May in Kilauea, United States, brings a mild slice of precipitation, with 45 mm (1.8 in) of rain over 13 days. This marks a slight decline compared to April's 62 mm, indicating a gentle shift towards drier conditions as the island transitions into summer. The frequency of rainy days decreases, aligning with a broader trend observed in the early summer months, where average precipitation tends to taper off. With the lush landscape still vibrant from spring rains, May offers a refreshing balance of sunshine and showers, setting the stage for the warmer months ahead.

May Precipitation Trends in Kilauea

The chart displays monthly precipitation patterns in Kilauea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec46951236245685245438561104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kilauea

In Kilauea, United States, May experiences a notable uptick in humidity, reaching 83%—the highest level recorded so far this year. This rise is part of a consistent trend, where humidity steadily increases from January's 77% to April's 81%. As the region transitions into the wetter months of late spring and early summer, the humidity continues to rise, peaking in June at 84%. This gradual build-up not only creates a lush, vibrant environment but also sets the stage for the balmy conditions that characterize Kilauea's tropical climate. As summer approaches, residents and visitors alike can anticipate a more humid atmosphere that enhances the island's natural beauty.

May Average Humidity in Kilauea

This chart illustrates the average monthly humidity levels in Kilauea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec77%78%79%81%83%84%84%84%83%81%79%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kilauea

In May, Kilauea experiences a significant rise in the UV Index, peaking at 13—a level classified as extreme. This sharp increase from the previous months highlights the region's high sun exposure as summer approaches. With a burn time of just 10 minutes, residents and visitors alike should prioritize sun protection to avoid harmful effects. Following the trend set in April, this intensity continues into June and July, underscoring the importance of vigilance against UV radiation. For comprehensive insights and daily updates, explore the full details at Kilauea UV Index.

Maximum UV Index Levels in Kilauea for May

The chart shows the monthly maximum UV Index (UVI) for Kilauea 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.
JanFebMarAprMayJunJulAugSepOctNovDec710111113121313121087
Data source: Kilauea 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 Kilauea

In Kilauea, United States, May brings a delightful peak of sunshine, boasting 335 hours of radiant daylight. This marks a significant increase from the 305 hours experienced in April, showcasing a steady climb in sunshine as the year progresses. The trend continues into June, with sunshine reaching an impressive 337 hours, indicating the region's transition into its sunniest months. From the start of the year, there's a clear upward trajectory, as January's modest 214 hours progressively climbs to the heights of late spring and early summer. As summer approaches, the sunshine hours reach their zenith in July, reminding residents and visitors alike that Kilauea truly basks in the light.

Monthly Sunshine Duration in Kilauea: May Highlighted

The May sunshine duration represents the total number of hours Kilauea 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h255h280h305h335h337h351h337h313h298h266h252h
Data source: Kilauea May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kilauea During May

In Kilauea, the month of May ushers in a noticeable upswing in the likelihood of sunny weather, boasting a 57% chance of sunshine—a slight increase from the preceding months. This trend towards brighter days continues into June, where the probability rises to 62%, though it experiences a dip in July. As the year progresses, August emerges as the sunniest period, with a promising 64% chance of clear skies. Overall, May marks a pivotal moment in Kilauea’s transitional season, setting the stage for the summer months that follow, while showcasing the region's propensity for pleasant weather as the year unfolds.

Percentage of Sunny Days in May in Kilauea

The chart illustrates the percentage of sunny days in Kilauea 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 Kilauea experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%51%47%53%57%63%48%64%57%60%59%35%
Data source: Kilauea May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kilauea in May

In Kilauea, the increase in daylight hours from January to May showcases a vibrant transition from winter to spring, with sunlight extending from a modest 10 hours to a more generous 13 hours. This growth in daylight signals the arrival of warmer days, fostering an invigorating atmosphere. Interestingly, the daylight remains stable at 13 hours throughout June and July, highlighting the peak of summer bliss. As summer wanes, the daylight gently tapers off in August and September, returning to 12 hours. The cycle continues, with October and November offering another dip, ultimately leading back to the 10 hours of daylight by December. This rhythmic ebb and flow of daylight not only marks the changing seasons but also enriches the experience of life in Kilauea, inviting outdoor adventures and communal gatherings under the sun.

Average Daylight Hours in Kilauea for May

The chart illustrates the variation in daylight duration in Kilauea throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 24m12h 2m12h 40m13h 12m13h 27m13h 18m12h 50m12h 13m11h 35m11h 3m10h 47m
Data source: Kilauea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kilauea

In Kilauea, the winds in May typically exhibit a gentle caress, with an average speed of 4.7 m/s (11 mph), marking a continuation of the calmer conditions noted in April. This trend of reduced wind speeds is reminiscent of the previous month, creating an ideal atmosphere for outdoor activities and exploration. Interestingly, the months leading up to July show a gradual increase, suggesting that the summer is on the horizon with more lively breezes expected. As we move through the year, the oscillation between tranquil and brisk winds illustrates Kilauea's dynamic climate, enticing both adventurers and nature lovers to experience its unique weather patterns.

Average May Wind Speed in Kilauea

The chart displays monthly wind speed patterns in Kilauea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.16.04.74.7 m/s4.66.15.35.55.53.96.0
Data source: Kilauea May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kilauea Compares to Other Months

The weather in Kilauea 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 Kilauea and find detailed weather information for every month.

May and January in Kilauea reflect a relatively mild tropical climate, with average temperatures hovering around the low twenties in both months. In May, temperatures range from a minimum of 20°C (67°F) to a maximum of 27°C (80°F), while January presents slightly cooler conditions with a minimum of 19°C (66°F) and a maximum of 25°C (78°F). Both months experience similar levels of precipitation, with May receiving 45 mm (1.8 in) over 13 days and January totaling 46 mm (1.8 in) over 9 days. However, May is characterized by slightly higher humidity at 83%, compared to 77% in January. For more specific details about January weather, you can visit Kilauea weather in January.

In comparing the weather between May and February, we see notable differences in both temperature and precipitation. May features warmer temperatures with a minimum of 20°C (67°F) and an average of 23°C (75°F), while February starts cooler, with a minimum of 15°C (60°F) and an average of 22°C (71°F). When it comes to maximum temperatures, May reaches up to 27°C (80°F), slightly higher than February's maximum of 25°C (77°F). Additionally, February experiences significantly more rainfall, with 95 mm (3.7 in) over 16 days, compared to May's 45 mm (1.8 in) across 13 days, making it a wetter month overall. Humidity levels are relatively similar, with February at 78% and May at 83%. For more specific details on Kilauea's climate, you can check out Kilauea weather in February.

In comparing the weather between March and May, March generally experiences slightly lower temperatures, with a minimum of 18°C (65°F) and an average of 22°C (71°F), compared to May's minimum of 20°C (67°F) and average of 23°C (75°F). May is also drier, seeing only 45 mm (1.8 in) of precipitation over 13 days, whereas March has significantly higher rainfall at 123 mm (4.8 in) spread over 17 days. Humidity levels are quite close, with March at 79% and May at 83%. For a more detailed look into what to expect, check out the link: Kilauea weather in March.

In comparing the weather conditions of May and April, we see some notable differences. May generally experiences slightly warmer temperatures, with minimums of 20°C (67°F) compared to April's 19°C (66°F), and maximums peaking at 27°C (80°F) versus April's 25°C (78°F). Both months have a similar average temperature of 23°C (73°F) but differ in precipitation and humidity levels. May receives less rainfall at 45 mm (1.8 in) over 13 days, while April sees more, totaling 62 mm (2.5 in) across 16 days. Humidity is slightly higher in May at 83% compared to April's 81%. For further details about April's weather, please visit Kilauea weather in April.

May and June both offer warm temperatures, but June tends to be slightly warmer on average. While May features a minimum temperature of 20°C and an average of 23°C, June shows a higher minimum of 22°C and an average temperature of 25°C. The maximum temperature remains quite similar, with both months peaking around 27°C. However, June brings increased rainfall, with 68 mm of precipitation over 12 days, compared to May’s 45 mm over 13 days. Humidity also rises slightly from May to June, from 83% to 84%. For those looking to know more about June weather specifics, you can explore Kilauea weather in June.

When comparing the weather in May and July, we observe a slight increase in temperatures. In May, the average temperature hovers around 23°C (75°F), while July sees a rise to an average of 25°C (78°F). Although both months experience high humidity levels, July's minimum temperature of 22°C (72°F) is slightly higher than May's 20°C (67°F). Precipitation also increases in July, with a total of 52 mm (2.1 in) over approximately 20 days, compared to May's 45 mm (1.8 in) over 13 days. For a more detailed view of weather conditions during this period, check out this link: Kilauea weather in July.

In comparing the weather of May and August, we see a gradual rise in temperature. May features minimum temperatures around 20°C (67°F), with an average of 23°C (75°F) and a maximum of 27°C (80°F), while August brings slightly warmer conditions, beginning at 22°C (73°F) and averaging 26°C (78°F), peaking at 28°C (83°F). Precipitation levels are comparable, with May receiving 45 mm (1.8 in) over 13 days and August seeing a similar 44 mm (1.8 in) across 15 days. Humidity remains fairly high in both months, with May at 83% and August a touch higher at 84%. For more detailed information, you can check Kilauea weather in August.

When comparing the weather in May and September, both months exhibit warm temperatures and high humidity levels. May has a minimum temperature of 20°C (67°F) and averages around 23°C (75°F), with a maximum of 27°C (80°F). In contrast, September is slightly warmer, with a minimum of 23°C (73°F) and an average temperature of 26°C (78°F), peaking at 28°C (83°F). Precipitation levels are similar, with May seeing 45 mm (1.8 in) over 13 days and September recording 43 mm (1.7 in) over 14 days. Overall, both months are characterized by a tropical climate, making them appealing for outdoor activities. For more specific information, you can explore Kilauea weather in September.

In comparison to May, October tends to be slightly warmer and wetter. The average temperature in October ranges from a minimum of 22°C (71°F) to a maximum of 28°C (83°F), while May has a minimum of 20°C (67°F) and a maximum of 27°C (80°F). October also sees more precipitation, with an average of 85 mm (3.3 in) over 17 days, compared to May's 45 mm (1.8 in) over 13 days. Additionally, October's humidity is marginally lower at 81%, compared to 83% in May. For more specific insights about the weather during this time, you can check Kilauea weather in October.

May and November present similar warm temperatures, with averages around 23°C (75°F) and 24°C (75°F), respectively. However, May typically experiences slightly lower humidity at 83%, while November sees a more comfortable humidity level of 79%. In terms of rainfall, November has higher precipitation, averaging 61 mm (2.4 in) over 18 days compared to May's 45 mm (1.8 in) across 13 days. This makes November slightly wetter, offering a different experience for those visiting. For more detailed information, you can check Kilauea weather in November.

May and December showcase similar average temperatures, both hovering around 23°C (75°F). However, May generally experiences slightly warmer conditions, with maximum temperatures reaching up to 27°C (80°F) compared to December’s 26°C (79°F). In terms of precipitation, December is noticeably wetter, with 104 mm (4.1 in) of rainfall over 17 days, while May receives only 45 mm (1.8 in) across 13 days. The humidity levels are also quite high in both months, with May at 83% and December at 79%. For more detailed information, you can check out Kilauea weather in December.

Compare Kilauea's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kilauea

As May rolls in, Kilauea experiences a delightful transition into warmer temperatures and a touch of humidity, setting it apart from the cooler months preceding it. With an average temperature of 23°C (75°F), visitors can enjoy pleasant days, although they should be prepared for occasional rain, as 13 days in the month see precipitation. This mix of warmth and moisture creates a lush environment, making it an ideal time for exploration amidst vibrant scenery. For a more comprehensive understanding of the weather patterns, be sure to check out Kilauea Climate.