October Weather in Kailua-Kona, United States

Last updated: February 24, 2025

In Kailua-Kona, October brings a pleasant blend of warm temperatures and notable rainfall. With a maximum of 27°C (81°F) and an average of 23°C (75°F), the weather remains inviting, making it a great time for outdoor activities. However, visitors should be prepared for the minimum temperature dropping to 20°C (67°F) and an average humidity level of 83%, creating a tropical atmosphere. During this month, the region experiences significant precipitation, totaling 230 mm (9.0 in) over 26 days, showcasing its lush landscape. Despite the rainy days, the beauty of Kailua-Kona shines through, offering a unique charm for those willing to embrace the elements.

October Temperature in Kailua-Kona

In Kailua-Kona during October, temperatures begin to cool slightly as the month transitions into fall, yet the climate remains warm and inviting for visitors. With a minimum temperature of around 20°C (67°F) and a comfortable average of 23°C (75°F), the days are pleasantly warm, peaking at a maximum of 27°C (81°F). This slight dip from the more intense summer heat reflects a broader trend observed throughout the year; temperatures have gradually increased from the cooler months of January through March, reaching a peak in August and September before tapering off. October offers a delightful blend of warmth and mildness, making it an ideal time for outdoor adventures and relaxation by the beach under the gentle Hawaiian sun.

October Weather in Kailua-Kona: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Kailua-Kona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707070717273747575747372
Data source: Temperature data for Kailua-Kona 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.

October Precipitation in Kailua-Kona

In October, Kailua-Kona experiences a notable shift in precipitation, with 230 mm (9.0 in) of rainfall across 26 days. This marks a significant decrease compared to the preceding months, particularly September, which saw 286 mm (11.3 in) over 28 days. This downward trend in rainfall continues the pattern observed throughout the late summer and early fall, where October typically transitions into drier conditions as the year progresses. However, the rainfall still supports the rich vegetation and lush landscapes that the region is known for, emphasizing the balance of wet and dry periods that characterize the climate of Kailua-Kona.

October Precipitation Trends in Kailua-Kona

The chart displays monthly precipitation patterns in Kailua-Kona, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec133149129212332365387458286230143189
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Kailua-Kona

In October, humidity levels in Kailua-Kona remain relatively high at 83%, consistent with the increasing trend observed throughout the warmer months. Beginning with January's 79%, the humidity gradually rises, peaking at 84% in August, before slightly dipping to 82% in September. This month reflects a pattern of sustained warmth and moisture typical for autumn in this tropical climate. The elevated humidity levels not only enhance the lush greenery of the region but also create a warm, inviting atmosphere, making October a fantastic time to experience the beauty of Kailua-Kona.

October Average Humidity in Kailua-Kona

This chart illustrates the average monthly humidity levels in Kailua-Kona, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%77%80%80%82%83%84%82%83%83%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Kailua-Kona

As October arrives in Kailua-Kona, residents and visitors can expect a UV Index of 12, maintaining its status in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV levels continues from the preceding months of July, August, and September, all of which boasted similar extreme readings. Following a consistent pattern, the UV Index in Kailua-Kona spikes during the summer months, reaching a peak of 14 in July and August before tapering slightly in September and October. With very high indices seen in January, November, and December, it’s clear that sun protection remains vital year-round in this tropical paradise. For more insights on UV levels throughout the year, check out the detailed information at Kailua-Kona UV Index.

Maximum UV Index Levels in Kailua-Kona for October

The chart shows the monthly maximum UV Index (UVI) for Kailua-Kona in October, 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.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131414131298
Data source: Kailua-Kona October 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.

October Sunshine in Kailua-Kona

As autumn settles in, October in Kailua-Kona brings a delightful blend of warm days and ample sunshine, totaling 297 hours of bright skies. This month may see a slight dip from the sunniest peak in July with 338 hours, but it still showcases a robust offering of light compared to earlier months. The trend of increasing sunshine hours from January through July culminates in a summer peak, and while October experiences a gentle decrease, it still holds strong against the colder months ahead. This golden Hawaiian sun ensures that even as the year winds down, the allure of outdoor adventures remains vibrant and inviting.

Monthly Sunshine Duration in Kailua-Kona: October Highlighted

The October sunshine duration represents the total number of hours Kailua-Kona experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec223h255h282h303h331h331h338h328h311h297h271h262h
Data source: Kailua-Kona October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kailua-Kona During October

In October, Kailua-Kona enjoys a moderate 38% chance of sunny weather, making it a pleasant time to visit this tropical paradise. This figure reflects a slight increase from the summer months, where the likelihood of sunshine dips to around 25-31%. Interestingly, the chances in October align closely with the annual trend, which sees a gradual rebound as the year progresses towards the end. While not the sunniest month of the year, October still offers the promise of bright days, nestled comfortably between the warmer and rainier months of summer and the return of slightly clearer skies in November. Visitors can expect a mix of beautiful sunsets and the occasional shower, enhancing the island's lush landscape.

Percentage of Sunny Days in October in Kailua-Kona

The chart illustrates the percentage of sunny days in Kailua-Kona throughout the year, with October 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 Kailua-Kona experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%46%46%44%29%26%25%31%34%38%39%29%
Data source: Kailua-Kona October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kailua-Kona in October

As October unfolds in Kailua-Kona, daylight begins to wane, with residents and visitors enjoying approximately 11 hours of sunlight each day. This month marks the start of a gradual decrease in daylight that continues into the winter months. Reflecting on the year, we see a peak in light during the summer, where daylight stretches to 13 hours from May through July. As we transition from the longer days of summer to the shorter days of winter, October presents a gentle reminder that the vibrant Hawaiian sunsets are also a part of the island's charm, providing a stunning backdrop as the year winds down. With daylight steadily decreasing, the allure of the evening sky invites everyone to savor each moment in this beautiful paradise.

Average Daylight Hours in Kailua-Kona for October

The chart illustrates the variation in daylight duration in Kailua-Kona throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 36m13h 3m13h 17m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: Kailua-Kona daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Kailua-Kona

As October sweeps into Kailua-Kona, the winds are gentle and inviting, maintaining an average speed of 2.2 m/s (5 mph)—a continuation of the coastal calm experienced throughout the year. Following a slightly warmer July and June, when the winds picked up to 2.5 m/s (6 mph), October settles back into a familiar rhythm, reminiscent of the softer breezes of earlier months. The consistency of the wind speed, which remains unvaried since August, creates a serene atmosphere that perfectly complements the region's picturesque landscapes. This gentle flow not only enhances outdoor adventures but also captures the essence of island life during this idyllic fall month.

Average October Wind Speed in Kailua-Kona

The chart displays monthly wind speed patterns in Kailua-Kona, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.42.22.12.32.52.52.32.22.2 m/s2.22.2
Data source: Kailua-Kona October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Kailua-Kona Compares to Other Months

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

In comparing the weather between October and January, October tends to be warmer, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 27°C (81°F), while January's temperatures are slightly cooler, with a minimum of 17°C (63°F) and a maximum of 26°C (80°F). October also experiences significantly more rainfall, with a total of 230 mm (9.0 in) spread over 26 days, compared to January's 133 mm (5.3 in) over 19 days. Additionally, October has higher humidity levels at 83%, while January maintains a slightly lower humidity level of 79%. For more specific details on January weather, you can visit Kailua-Kona weather in January.

October and February present distinctly different weather patterns. In October, temperatures range from a minimum of 20°C (67°F) to a maximum of 27°C (81°F), with an average of 23°C (75°F). This month also experiences significant rainfall, totaling 230 mm (9.0 in) across 26 days, and a relatively high humidity of 83%. In contrast, February offers slightly cooler temperatures, with lows reaching 15°C (60°F) and highs of 25°C (78°F), averaging 21°C (70°F). February sees reduced rainfall of 149 mm (5.9 in) over 17 days, accompanied by a lower humidity of 79%. For further details, check out Kailua-Kona weather in February.

When comparing the weather in October and March, we notice several distinct differences. October typically has a warmer climate, with average temperatures around 23°C (75°F), while March averages at 21°C (71°F). Additionally, October experiences significantly more rainfall, totaling 230 mm (9.0 in) over 26 days, in contrast to March, which sees 129 mm (5.1 in) over 20 days. Furthermore, October's humidity levels are slightly higher at 83%, compared to March's 77%. For more detailed information on March weather in Kailua-Kona, you can check Kailua-Kona weather in March.

When comparing the weather in October and April, October tends to be slightly warmer, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 27°C (81°F), compared to April's range of 18°C (65°F) to 25°C (78°F). Both months experience significant rainfall, with October receiving 230 mm (9.0 in) over 26 days, while April sees a bit less with 212 mm (8.4 in) across 24 days. Humidity levels are quite similar, with October at 83% and April at 80%, making both months feel quite moist. For more detailed insights, check out Kailua-Kona weather in April.

October and May present somewhat similar temperature ranges, with October boasting a minimum of 20°C (67°F) and an average of 23°C (75°F), while May features a minimum of 19°C (66°F) and an average of 22°C (72°F). Both months experience high humidity, with October at 83% and May slightly lower at 80%. However, October typically has less precipitation, with 230 mm (9.0 in) falling over 26 days, compared to May's higher total of 331 mm (13.1 in) across 28 days. This means that while temperatures are relatively close, May tends to be wetter than October. For more detailed information, you can check Kailua-Kona weather in May.

When comparing the weather in October and June, both months showcase warm temperatures with a minimum around 20°C (68°F) and average highs of 23°C (73°F) or more. However, June tends to be slightly cooler at its maximum temperature of 26°C (80°F) compared to October's peak of 27°C (81°F). Precipitation is significantly higher in June, with a total of 365 mm (14.4 in) over 29 days, compared to October's 230 mm (9.0 in) over 26 days. Humidity levels are relatively similar, with October at 83% and June at 82%. For more detailed information on June weather patterns, you can visit Kailua-Kona weather in June.

In comparing the weather of October to that of July, we see that both months feature similar temperature ranges, with minimums around 20°C (68°F), average temperatures at approximately 23°C (75°F), and maximums reaching 27°C (81°F). However, October experiences slightly less precipitation, with 230 mm (9.0 in) over 26 days compared to July's 387 mm (15.2 in) over 30 days, indicating that July is typically wetter. Humidity remains consistent for both months at 83%. For more details on the specific conditions in July, you can check out this link: Kailua-Kona weather in July.

When comparing the weather in October and August, both months exhibit warm temperatures, but October tends to be slightly cooler. In October, the minimum temperature is around 20°C (67°F), averaging 23°C (75°F) and reaching a maximum of 27°C (81°F). In contrast, August shows a minimum of 21°C (70°F), an average of 24°C (75°F), and a high of 28°C (83°F). Precipitation is significantly higher in August, with 458 mm (18.0 in) spread over 30 days, compared to October's 230 mm (9.0 in) over 26 days. Humidity levels are fairly consistent, with October at 83% and August slightly higher at 84%. For a more detailed look at August weather, you can check Kailua-Kona weather in August.

In comparing the weather of October and September, both months experience relatively warm temperatures, with October having a minimum temperature of 20°C (67°F) and an average of 23°C (75°F), while September boasts a slightly higher average of 24°C (75°F). October features a maximum temperature of 27°C (81°F), which is just 1°C cooler than September's peak of 28°C (82°F). However, October sees increased precipitation, with 230 mm (9.0 in) over 26 days, compared to September's 286 mm (11.3 in) over 28 days. Humidity remains quite similar, with October at 83% and September slightly lower at 82%. For a more detailed look at September's conditions, you can check Kailua-Kona weather in September.

In October, the weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and a maximum of 27°C (81°F), averaging around 23°C (75°F). However, this month also brings significant rainfall, totaling 230 mm (9.0 in) over 26 days, contributing to high humidity levels of 83%. In contrast, November sees a slight dip in temperatures, with a minimum of 19°C (66°F) and a maximum of 26°C (80°F), while still averaging 23°C (74°F). The precipitation in November is notably reduced to 143 mm (5.6 in) over 20 days, maintaining the same humidity level of 83%. For more details on the climate during this time, check out Kailua-Kona weather in November.

In October, the weather is generally warmer, with daytime temperatures averaging around 23°C (75°F) and reaching a peak of 27°C (81°F). The month also experiences significantly higher precipitation, with 230 mm (9.0 in) falling over 26 days, resulting in a humid environment with 83% humidity. In contrast, December sees slightly cooler temperatures, averaging 22°C (72°F) and a maximum of 26°C (80°F). Precipitation decreases to 188 mm (7.4 in) over 22 days, bringing a bit more comfort with slightly lower humidity at 81%. For more details, you can check Kailua-Kona weather in December.

Compare Kailua-Kona's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Kailua-Kona

As October unfolds in Kailua-Kona, visitors and residents alike can expect a distinct shift in the climate. With higher humidity levels and increased precipitation, this month tends to be wetter, contributing to the lush surroundings that are characteristic of Hawaii. The average temperatures remain enjoyable, yet the combination of frequent rain showers and overcast days offers a unique contrast to the typically sunnier months. While the weather may be less predictable, October provides a beautiful opportunity to experience the region's vibrant landscape, perfect for those seeking a different kind of tropical adventure. For a detailed overview of the weather patterns throughout the year, check our comprehensive guide here: Kailua-Kona Climate.