October Weather in Koloa, United States

Last updated: February 24, 2025

In Koloa, United States, October welcomes a comfortable tropical climate characterized by an average temperature of 25°C (76°F), with daily highs reaching up to 29°C (85°F) and nighttime lows around 20°C (68°F). This month typically experiences about 89 mm (3.5 in) of rainfall spread across 20 days, contributing to the region's lush landscapes. The humidity level, hovering around 81%, enhances the verdant beauty of Koloa, ensuring a refreshing atmosphere for both residents and visitors. With its blend of warmth and occasional rain, October is a fascinating month to explore the natural wonders of this charming destination.

October Temperature in Koloa

In Koloa, Hawaii, October offers a delightful transition as temperatures begin to cool slightly while still embracing the warmth of late summer. With a minimum temperature of 20°C (68°F) and an average of 25°C (76°F), it's evident that October maintains a comfortable climate, perfect for outdoor activities. Maximum temperatures reach around 29°C (85°F), ensuring that the region remains inviting for those looking to bask in the sun. This month marks a subtle shift from the highs of summer, which peak at 30°C (86°F) in August and September, highlighting Koloa's pleasant year-round tropical climate. As the year begins to wind down, October beautifully balances warmth and mildness, making it an ideal time for visitors to enjoy the island's natural beauty.

October Weather in Koloa: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Koloa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717070727476777878767472
Data source: Temperature data for Koloa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Koloa

In October, Koloa experiences a noticeable uptick in precipitation, with the month recording 89 mm (3.5 in) of rain over 20 days, making it one of the wetter months of the year. Following the drier conditions of September, which saw only 49 mm (1.9 in) across 16 days, October's rainfall contributes to the vibrant, lush landscapes that the region is known for. This pattern reflects a seasonal shift as Koloa transitions into a wetter climate, with precipitation levels peaking as we head toward the end of the year. The trend reveals that October serves as a pivotal point, bridging drier months like July and August with the more intensified rainfall of November and December, when precipitation averages 55 mm (2.2 in) and 97 mm (3.8 in), respectively.

October Precipitation Trends in Koloa

The chart displays monthly precipitation patterns in Koloa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3984136625280545449895597
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Koloa

As October rolls into Koloa, the humidity remains notably high, averaging around 81%. This slight dip from the peak of 83% experienced in the summer months suggests a gradual shift towards drier conditions as the year progresses. Overall, humidity levels in Koloa maintain a consistent range, with figures fluctuating between 78% and 83% throughout the year. This stability indicates a tropical climate, where residents and visitors can expect a warm and muggy atmosphere, especially in the height of summer. With October's humidity reflecting the seasonal tapering, it signals the onset of a milder, yet still humid, fall in this picturesque coastal town.

October Average Humidity in Koloa

This chart illustrates the average monthly humidity levels in Koloa, 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 Koloa

In October, Koloa experiences a UV Index of 10, which falls into the very high exposure category, indicating a burn time of just 15 minutes for unprotected skin. This marks a notable transition as the UV levels from the most intense summer months begin to moderate slightly. Following a peak of UV Index 13 from May to September, the decrease in October suggests the onset of milder weather while still demanding cautious sun protection. Visitors and locals alike should remain vigilant, as the risk of harm from UV rays remains significant. For more detailed information on UV levels, visit Koloa UV Index.

Maximum UV Index Levels in Koloa for October

The chart shows the monthly maximum UV Index (UVI) for Koloa 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.
JanFebMarAprMayJunJulAugSepOctNovDec810111213131313121087
Data source: Koloa 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 Koloa

As the year transitions into October, Koloa basks in a remarkable 296 hours of sunshine, basking in the glow of fall while offering a splendid backdrop for outdoor activities. This month, like the previous summer peak in July at 348 hours, retains a generous amount of sunlight, although it's a gentle decline from the vibrant highs of late spring and summer. After a steady climb from 216 hours in January, the sunlight hours reach their zenith in July, before gradually tapering off. October's sunshine still nourishes the landscape, suggesting that despite the onset of autumn, Koloa remains a bright spot on the map, eager to embrace the seasonal shift while still basking in the warm embrace of sunlight.

Monthly Sunshine Duration in Koloa: October Highlighted

The October sunshine duration represents the total number of hours Koloa 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.
JanFebMarAprMayJunJulAugSepOctNovDec216h256h280h303h332h331h348h335h313h296h266h254h
Data source: Koloa October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koloa During October

In Koloa, the month of October enjoys a 55% chance of sunny weather, making it one of the brighter months of the year. This likely draws from a steady trend seen throughout the late summer and early fall, where the probability of sunshine peaks in August at 58% and remains strong as we transition into autumn. While October's sunshine probability slightly dips from the more radiant summer months, it stands in line with November's 55% chance, offering a pleasant backdrop for outdoor activities. Compared to the beginning of the year, where sunshine is less frequent—hovering around the 51% - 42% range—October signals a clear opportunity for those yearning to catch some rays before the winter months settle in.

Percentage of Sunny Days in October in Koloa

The chart illustrates the percentage of sunny days in Koloa 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 Koloa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%50%43%49%52%56%44%58%52%55%55%33%
Data source: Koloa October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koloa in October

As October unfolds in Koloa, daylight begins to wane, with the sun gracing the skies for about 11 hours each day. This slight decrease follows a summer peak, where the longest days hover around 13 hours from May through July. After the consistent daylight of spring and the vibrant summer months, October marks a transitional phase, gently nudging toward the shorter days of winter. The gradual reduction in sunlight emphasizes the changing seasons, inviting residents and visitors alike to savor the beautiful autumn landscape while it lasts, as November and December will further limit daylight to 11 and 10 hours respectively.

Average Daylight Hours in Koloa for October

The chart illustrates the variation in daylight duration in Koloa throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 57m11h 25m12h 2m12h 39m13h 11m13h 26m13h 17m12h 50m12h 13m11h 36m11h 3m10h 48m
Data source: Koloa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Koloa

As October unfolds in Koloa, the average wind speed hovers around 3.9 m/s (9 mph), maintaining a steady rhythm reminiscent of the previous month. This subtropical locale experiences a gradual transition in wind patterns, with summer months peaking at 4.3 m/s (10 mph) in July before tapering off. Interestingly, this time of year marks a subtle decline from the summer's breezier spells, yet the winds in October still manage to create a pleasant atmosphere, providing a refreshing backdrop for outdoor activities. As the year winds down, the trend suggests a gentle breeze giving way to calmer conditions, notably in November when averages drop to 2.7 m/s (6 mph). This pattern hints at the tranquil charm of Koloa's fall season, inviting both locals and visitors to relish its coastal beauty.

Average October Wind Speed in Koloa

The chart displays monthly wind speed patterns in Koloa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.54.23.33.43.24.33.83.93.9 m/s2.74.1
Data source: Koloa October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Koloa Compares to Other Months

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

In October, the weather is warmer and more humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F) and an average of 25°C (76°F). This month also sees considerable rainfall, with 89 mm (3.5 in) of precipitation spread over 20 days, resulting in a humidity level of 81%. In contrast, January offers slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 22°C (71°F), and a maximum of 26°C (79°F). Additionally, January experiences significantly less rainfall, totaling only 38 mm (1.5 in) over just 10 days and a lower humidity of 78%. For more details about the January weather, you can check Koloa weather in January.

October and February bring relatively mild weather, but notable differences can be observed. In October, the minimum temperature is slightly higher at 20°C (68°F) with an average of 25°C (76°F) and maximums reaching 29°C (85°F). The month sees significant rainfall, totaling 89 mm (3.5 in) over about 20 days, accompanied by higher humidity at 81%. In contrast, February has a lower minimum temperature of 15°C (59°F) and an average of 21°C (70°F), with maximums around 26°C (79°F). Precipitation remains comparable at 84 mm (3.3 in) but occurs over fewer days, 15 in total, with humidity slightly lower at 79%. For more detailed insights, you can check out Koloa weather in February.

In October, the weather tends to be warmer with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), while in March, the temperatures are slightly cooler, averaging a minimum of 18°C (64°F) and reaching a maximum of 26°C (80°F). October experiences less precipitation with 89 mm (3.5 in) spread over 20 days, compared to March which has higher rainfall at 136 mm (5.4 in) across 19 days. Both months have high humidity levels, with October at 81% and March slightly lower at 78%. For more detailed information on Koloa weather in March, you can visit Koloa weather in March.

When comparing the weather in October and April, both months exhibit warm temperatures and high humidity levels, creating a tropical atmosphere. October tends to be slightly warmer, with average temperatures reaching 25°C (76°F) compared to April's average of 22°C (73°F), while the maximum temperature in October can climb to 29°C (85°F) compared to 27°C (80°F) in April. Additionally, October experiences more rainfall, with 89 mm (3.5 in) of precipitation over 20 days, in contrast to April’s 61 mm (2.4 in) over 17 days. For more insights, check out Koloa weather in April.

When comparing the weather in October and May, October tends to be slightly warmer, with average temperatures reaching 25°C (76°F) compared to May's average of 23°C (74°F). Both months experience relatively high humidity, with October at 81% and May slightly lower at 82%. However, October has significantly more precipitation, with 89 mm (3.5 in) over 20 days, while May sees only 52 mm (2.1 in) over 17 days. For more detailed information, you can check Koloa weather in May.

In comparing the weather of October to June, both months exhibit warm temperatures, with October having a slightly lower minimum temperature of 20°C (68°F) compared to June's 21°C (69°F). The average temperature remains similar, with October averaging 25°C (76°F) and June at 24°C (76°F). However, October sees a marginally higher maximum temperature of 29°C (85°F) versus June's 28°C (83°F). Precipitation is also noteworthy; October experiences about 89 mm (3.5 in) of rainfall over 20 days, while June has a slightly lower precipitation total of 80 mm (3.1 in) spread across 17 days. Humidity levels are comparable, with October at 81% and June at 82%. For more detailed information on June weather, you can visit Koloa weather in June.

In comparing the weather of October and July, both months feature similar average temperatures, with October exhibiting a minimum of 20°C (68°F) and a maximum of 29°C (85°F), while July has a slightly higher minimum of 21°C (70°F) and a maximum of 29°C (84°F). However, October receives significantly more precipitation at 89 mm (3.5 in) over 20 days, compared to July's 54 mm (2.1 in) across 23 days, indicating that October is generally wetter than July. Additionally, October's humidity level is slightly higher at 81%, compared to July's 83%. For more detailed insights about July weather, you can refer to this link: Koloa weather in July.

In comparing the weather of October and August, we observe that both months have similar average temperatures, with October featuring a minimum temperature of 20°C (68°F) and an average of 25°C (76°F), while August has a slightly higher minimum of 21°C (70°F) and the same average of 25°C (78°F). However, August tends to be slightly warmer overall, reaching a maximum of 30°C (86°F) compared to October’s maximum of 29°C (85°F). Precipitation also differs between the two months, with October experiencing 89 mm (3.5 in) over 20 days, while August has only 54 mm (2.1 in) across 18 days. Humidity remains quite close in both months, with October at 81% and August at 83%. For a deeper look at August weather, check out Koloa weather in August.

In comparing the weather conditions of October and September, we find some intriguing differences. October tends to be slightly cooler, with a minimum temperature of 20°C (68°F) compared to September's 21°C (71°F). Both months share a similar average temperature of around 25°C (76°F), but October's maximum is just a degree lower at 29°C (85°F), while September peaks at 30°C (86°F). Precipitation is notably higher in October, with 89 mm (3.5 in) falling over 20 days, in contrast to September's 49 mm (1.9 in) over 16 days. Humidity levels are comparable, with October at 81% and September at 82%. For more detailed insights, you can check the Koloa weather in September.

In comparing the weather of October and November, October tends to be slightly warmer, with average temperatures peaking at around 25°C (76°F) and maximums reaching up to 29°C (85°F). In contrast, November sees a decrease in average temperature to 24°C (75°F) and maximums of 28°C (83°F). Additionally, October experiences more rainfall, accumulating 89 mm (3.5 in) over about 20 days, whereas November has less precipitation at 55 mm (2.2 in) over 19 days. Humidity levels remain fairly consistent between the two months, with October at 81% and November at 80%. For those interested in more detailed insights, check out Koloa weather in November.

In October, the weather is generally warmer with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), averaging around 25°C (76°F). The month experiences substantial rainfall, with about 89 mm (3.5 in) of precipitation over approximately 20 days and a humidity level of 81%. In contrast, December sees slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 27°C (81°F), averaging 22°C (72°F). Precipitation increases slightly to 97 mm (3.8 in) over 16 days, while humidity stays relatively stable at 79%. For more detailed insights, check out Koloa weather in December.

Compare Koloa's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Koloa

As October rolls into Koloa, the weather offers a delightful transition from the intense heat of summer to more temperate conditions. With average temperatures hovering around 25°C (76°F), the month provides a pleasant respite from the summer swelter, making outdoor activities enjoyable. However, October is also characterized by increased rainfall, with precipitation occurring on about two-thirds of the days, contributing to the lush landscape. While the humidity remains steady at 81%, this month’s climatic nuances remind us of the unique charm of Koloa’s tropical setting. To delve deeper into how these patterns fit into the broader climate profile, check out Koloa Climate.