Koloa Weather in October
October is one of the perfect months to visit Koloa, with daytime temperatures of 27°C (81°F) and lows of 23°C (73°F) at night. Do note that quite a bit of rainfall is typical, averaging around 65 mm (2.6 in).
Rainfall in Koloa in October
Typically, about 17 days will experience rainfall, with an average of 65 mm (2.6 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Koloa in October
The temperature in Koloa in October is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Koloa in October
Expect a lot of sunshine this month, with about 209 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Koloa in October
In October, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in October
The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.Our weather planner can help you explore other travel destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Koloa's climate page.
Koloa Temperature in October
Min Temperature
23°C (73°F)
Max Temperature
27°C (81°F)
Water Temperature
27°C (81°F) *
Chance of Rain
58%
Precipitation
65 mm (2.6 in)
Rainy days
17 days
Humidity
76% *
Windspeed
4 m/s (8 knots) *
Sunshine
209 hours *
Percentage Sunshine
58% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koloa typically stay consistent throughout October, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Koloa in October
Browse day-by-day weather records for Koloa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koloa historical weather extremes in October
Based on 27 years of weather observations (1998-2025), these are the most extreme conditions recorded in Koloa.
- Koloa recorded its highest October temperature of 32°C (90°F) on October 9, 2012.
- On October 19, 1999, Koloa saw its coldest October day with temperatures maxing out at 24°C (75°F).
- Nighttime temperatures dropped to 18°C (64°F) on October 17, 2006, marking the coldest October night on record.
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
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unpleasant
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What to Wear in Koloa in October
Warm but pleasant conditions in Koloa in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Koloa in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Koloa's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Koloa climate overview or explore weather in the United States of America.
