October Weather in Kahalu'u, United States

Last updated: February 24, 2025

October in Kahalu'u, United States, offers a delightful tropical climate characterized by mild temperatures and a lush atmosphere. With daily highs reaching up to 29°C (84°F) and an average of 25°C (78°F), visitors can expect comfortable weather for outdoor activities. Nights cool down to a pleasant 22°C (72°F), creating a cozy environment. However, the month brings a fair share of rain, with 66 mm (2.6 in) of precipitation spread over 15 days, contributing to a relative humidity of 81%. This combination of warmth and moisture shapes Kahalu'u's vibrant landscapes, making it an ideal time to explore its natural beauty.

October Temperature in Kahalu'u

In Kahalu'u, United States, October brings a delightful transition into the warmer months, with temperatures exhibiting a comfortable range. The month features minimum temperatures averaging around 22°C (72°F), ensuring pleasant mornings and evenings. As the days progress, the average temperature reaches about 25°C (78°F), providing a perfect climate for outdoor activities. With maximums peaking at 29°C (84°F), October is just shy of the summer heat, giving residents and visitors a chance to enjoy the sun without the sweltering extremes. This pattern reflects a gradual warming trend that begins in early autumn, making October a wonderful time to experience the vibrant beauty of Kahalu'u.

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

The chart illustrates October 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.

October Precipitation in Kahalu'u

In October, Kahalu'u experiences a noticeable uptick in precipitation, receiving 66 mm (2.6 in) of rain over approximately 15 days. This marks a significant increase from the drier months of July and August, highlighting a transition into the wetter season. The rainfall serves as a prelude to the more substantial downpours often seen in November and December, where averages rise dramatically, suggesting that October sets the stage for the onset of Kauai’s more familiar rainy patterns. This shift not only nurtures the lush landscapes but also signifies the changing rhythms of nature as the year draws to a close.

October Precipitation Trends in Kahalu'u

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

In Kahalu'u, October brings a slight dip in humidity, settling at 81%, which is consistent with the trends observed in the preceding months. Throughout the year, humidity tends to rise gradually from 78% in January to a peak of 83% during the summer months of July and August. As autumn approaches, moisture levels begin to recede, dropping to 82% in September before the October slight decrease. This pattern reflects the area's tropical climate, where humidity remains high but shows a gentle decline as the seasons shift. Overall, Kahalu'u experiences a rich tapestry of humidity levels, with October's figures harmonizing with the gradual transition towards cooler months.

October Average Humidity in Kahalu'u

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

October UV Index in Kahalu'u

In Kahalu'u, the UV Index in October settles at an intense level of 11, indicating an extreme exposure category. This marks a slight decrease from the peak monthly index of 13 experienced during the summer months, yet it remains crucial for residents and visitors to take precautions, as the burn time is still a brisk 10 minutes. This trend illustrates a consistent pattern of high UV exposure from late spring through early fall, with October retaining a notably high index, making sun safety a top priority. As the year progresses into November, a drop to 8 will signify a transition towards more moderate UV levels. For more information about the UV Index throughout the year, visit Kahalu'u UV Index.

Maximum UV Index Levels in Kahalu'u for October

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

In Kahalu'u, United States, October delivers a delightful 301 hours of sunshine, capping off a summer season characterized by peak light, with July shining the brightest at 349 hours. As the year transitions, the daylight begins to subtly dim, following the vibrant highs of May and June, both boasting over 330 hours. This month stands out as a bridge between the sun-soaked summer and the cooler autumn days, offering a generous amount of brightness that keeps the island's natural beauty on full display. Interestingly, despite the gradual decline in sunshine hours moving towards winter, October remains significantly sunnier than the winter months ahead, making it a perfect time for outdoor activities and enjoying the scenic surroundings before the shorter days of November and December set in.

Monthly Sunshine Duration in Kahalu'u: October Highlighted

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

Chance of Sun in Kahalu'u During October

In Kahalu'u, the chances of enjoying sunny weather in October are a promising 62%, marking a notable peak in the transition from summer to autumn. This positions October as one of the more favorable months for sunshine, closely following the vibrant summer months where sun probabilities remain high. As the year progresses, there is a slight dip in sunny days from the 64% in May and 63% in August, but October holds its ground with a sunny outlook that surpasses the previous months of January through July. This positive trend signifies a delightful opportunity for outdoor activities as the warm island vibes linger before the winter months bring a slight reduction in sunshine chances.

Percentage of Sunny Days in October in Kahalu'u

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

Daylight Hours in Kahalu'u in October

As October settles in Kahalu'u, the transition into fall is marked by a slight decrease in daylight, averaging 11 hours of light each day. This gradual shift reflects a broader trend observed throughout the year, where daylight increases from a modest 10 hours in January to a summer peak of 13 hours from May to July. As summer fades, daylight begins to wane, returning to 12 hours by September before dipping again in October. This cyclical pattern highlights the rhythmic changes of the seasons, inviting residents to embrace the cozy charm of autumn while savoring the remaining daylight as it gently diminishes.

Average Daylight Hours in Kahalu'u for October

The chart illustrates the variation in daylight duration in Kahalu'u throughout the year, with October 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.

October Winds in Kahalu'u

As October unfolds in Kahalu'u, the wind dances gracefully through the landscape, with an average speed of 6.2 m/s (14 mph). This slightly breezy month marks a subtle uptick from the prevalent trends observed in the preceding summer months. For instance, October's winds are livelier than the calmer breezes of April and November, which see averages dip to 5.0 m/s (11 mph) and 4.1 m/s (9 mph), respectively. These shifts create a dynamic tapestry of airy whispers, characterized by the July peak of 7.0 m/s (16 mph) before tapering into the gentler currents of late fall. The consistent winds that peak in October often set the stage for a variety of outdoor activities, inviting both locals and visitors to revel in the inviting al fresco ambiance.

Average October Wind Speed in Kahalu'u

The chart displays monthly wind speed patterns in Kahalu'u, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.15.75.95.05.75.57.05.96.16.2 m/s4.16.2
Data source: Kahalu'u October wind data, generated using information from the Copernicus Climate Change Service.

How October 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 October'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 October, the weather tends to be warmer compared to January, with average temperatures reaching around 25°C (78°F) and maximums peaking at 29°C (84°F). The month also experiences higher precipitation, with about 66 mm (2.6 in) over 15 days and a humidity level of 81%. In contrast, January sees slightly cooler temperatures, averaging 23°C (73°F) and not exceeding 27°C (80°F), while precipitation decreases to 34 mm (1.3 in) over 9 days, and humidity is slightly lower at 78%. For a more detailed look at January weather patterns, you can refer to Kahalu'u weather in January.

When comparing October and February, we see notable differences in weather patterns. October typically experiences warmer temperatures, with a minimum of 22°C (72°F) and an average of 25°C (78°F), while February has slightly cooler temps, ranging from a minimum of 16°C (62°F) to an average of 22°C (72°F). Both months have a similar number of rainy days, with October having 15 days of precipitation and February slightly less at 14 days. However, February sees more total precipitation at 82 mm (3.2 in) compared to October’s 66 mm (2.6 in). Additionally, humidity levels are marginally higher in October at 81%, compared to February's 79%. For more details about February weather, check out Kahalu'u weather in February.

When comparing the weather in October and March, we see some notable differences. October generally enjoys slightly warmer temperatures, with an average of 25°C (78°F) compared to March's 22°C (73°F). Both months experience considerable rainfall, with March receiving 89 mm (3.5 in) over 16 days, which is higher than October's 66 mm (2.6 in) over 15 days. Humidity levels are relatively similar, with October at 81% and March slightly lower at 78%. For more detailed insights on March weather, you can refer to Kahalu'u weather in March.

In October, the weather is typically warmer with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), compared to April's milder range of 19°C (66°F) to 27°C (80°F). Both months experience high humidity levels of 81%, but October sees more rainfall, with 66 mm (2.6 in) over 15 days, while April has 51 mm (2.0 in) across 13 days. Despite the slight increase in precipitation during October, both months maintain a vibrant tropical climate. For more details on April's conditions, check out Kahalu'u weather in April.

In comparing the weather of October and May, both months offer warm temperatures, but October tends to be slightly warmer overall. October's average temperature is 25°C (78°F) with a maximum of 29°C (84°F), while May sees a slightly lower average of 24°C (75°F) and a maximum of 28°C (82°F). Precipitation is more prevalent in October, with 66 mm (2.6 in) falling over 15 days, compared to May's 44 mm (1.7 in) across 13 days. The humidity levels are quite similar, hovering around 81% in October and 82% in May, giving both months a tropical feel. For those interested in detailed weather patterns, check out Kahalu'u weather in May.

In comparing the weather patterns of October and June, both months exhibit similar temperature ranges, with October showing a slightly higher maximum temperature of 29°C (84°F) compared to June's 28°C (83°F). Average temperatures for both months hover around 25°C (78°F), with minimum temperatures consistently at 22°C (72°F). However, October experiences a bit more rainfall, with 66 mm (2.6 in) over 15 days, while June has 56 mm (2.2 in) across 11 days. Humidity levels remain quite similar, with October slightly higher at 81% and June at 82%. For further details about weather conditions in June, you can visit Kahalu'u weather in June.

When comparing the weather in October to that of July, we notice some distinct differences. October experiences a slightly lower average temperature of 25°C (78°F) compared to July's 26°C (78°F), but maintains similar minimums and maximums. While both months are humid, October has a marginally lower humidity level at 81% compared to July's 83%. Precipitation varies notably as well; October sees 66 mm (2.6 in) of rainfall over 15 days, while July receives only 39 mm (1.5 in) across 16 days. For a more detailed look at July weather, you can explore this link: Kahalu'u weather in July.

In comparing the weather between October and August, both months showcase similar maximum temperatures, peaking at 29°C (84°F) in October and 29°C (85°F) in August. However, October experiences slightly cooler average temperatures, with a minimum of 22°C (72°F) compared to August's minimum of 23°C (73°F). Additionally, October is wetter, accumulating 66 mm (2.6 in) of precipitation over 15 days, while August sees 41 mm (1.6 in) over just 12 days. Humidity levels are quite close as well, with October at 81% and August at 83%. For more detailed insights into August weather, you can visit Kahalu'u weather in August.

In comparing the weather between September and October, we can see some notable differences. While both months experience similar minimum temperatures, October has a slightly lower average temperature of 25°C (78°F), compared to September's average of 26°C (79°F). Additionally, October sees an increase in precipitation, with 66 mm (2.6 in) over 15 days, compared to only 37 mm (1.5 in) across 12 days in September. Humidity levels are slightly lower in September at 82% compared to October's 81%. For a more detailed view of September weather in this region, visit Kahalu'u weather in September.

In October, the weather features warm temperatures with a minimum of 22°C (72°F) and an average of 25°C (78°F), reaching a maximum of 29°C (84°F). This month experiences a higher precipitation of 66 mm (2.6 in) over approximately 15 days, along with humidity levels at 81%. In contrast, November sees slightly cooler temperatures, with a minimum of 20°C (69°F) while maintaining the same average and maximum temperatures as October. Precipitation in November decreases to 48 mm (1.9 in) across 16 days, and humidity drops slightly to 80%. For more detailed insights, check out Kahalu'u weather in November.

In October, temperatures are relatively warm, with a minimum of 22°C (72°F) and an average of 25°C (78°F), reaching a maximum of 29°C (84°F). The month sees around 66 mm (2.6 in) of precipitation spread over 15 days, with high humidity at 81%. In contrast, December brings slightly cooler temperatures, with a minimum of 18°C (65°F) and an average of 23°C (74°F), peaking at 27°C (81°F). Additionally, December experiences increased precipitation levels, totaling 87 mm (3.4 in) over 16 days, while humidity remains relatively similar at 79%. For more details on the conditions you can expect, check out Kahalu'u weather in December.

Compare Kahalu'u's Climate with Cities Worldwide

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

As October unfolds in Kahalu'u, visitors can expect a delightful transition into the fall season, characterized by mild temperatures that provide a pleasant escape from the heat of summer. With humidity levels remaining relatively high, the atmosphere feels lush and vibrant, yet it also brings a bit more rain compared to the preceding months, resulting in an average of 15 days of precipitation. This increase in rainfall, totaling around 66 mm throughout the month, contributes to the stunning natural beauty of the region, making it an ideal time for nature lovers. For those planning to soak in the unique climate, it's a fantastic opportunity to experience the beauty of nature in its most refreshing form. Discover more about the captivating weather patterns in Kahalu'u at Kahalu'u Climate.