October weather forecastPearl City, HI
October
Weather in October
Pearl City transitions into the colder part of the year in October. A significant change in the weather is the increase in rainfall making October the wettest month with an average of around 2.09" (53mm). The temperatures start to descend from their summer highs while still remaining quite warm. Although the hours of sunlight reduce, they still remain substantial enough to allow for pleasant day outings. Despite the beginning of this transition, the weather largely maintains its warm and comfortable nature.Temperature
As Pearl City welcomes October, the average high-temperature is noted at a still moderately hot 81.1°F (27.3°C), closely aligning with the preceding month. Pearl City reports an average low temperature of 74.7°F (23.7°C) in October, a minor decrease from the day's highs.Heat index
The heat index for October is computed to be a hot 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in October is 75%.Rainfall
October is the month with the most rainfall. Rain falls for 18.4 days and accumulates 2.09" (53mm) of precipitation.Ocean temperature
In October, the average ocean temperature is 80.1°F (26.7°C).Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.
Daylight
The average length of the day in October is 11h and 38min.On the first day of October in Pearl City, sunrise is at 6:23 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:56 pm HST.
Sunshine
In October, the average sunshine is 7.8h.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 6 in October transforms into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Pearl City, HI
- Average high temperature in October: 81.1°F
The warmest months (with the highest average high temperature) are August and September (82°F).
The months with the lowest average high temperature are February and March (75.4°F).
- Average low temperature in October: 74.7°F
The month with the highest average low temperature is September (75°F).
The coldest month (with the lowest average low temperature) is February (68°F).
Average pressure in October
Pearl City, HI
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in October
Pearl City, HI
- Average wind speed in October: 8.5mph
The windiest month (with the highest average wind speed) is July (11.3mph).
The calmest month (with the lowest average wind speed) is January (8.4mph).
Average humidity in October
Pearl City, HI
- Average humidity in October: 75%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, June and September (74%).
Average rainfall in October
Pearl City, HI
- Average rainfall in October: 2.09"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in October
Pearl City, HI
- Average rainfall days in October: 18.4 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is January (13.5 days).
Average sea temperature in October
Pearl City, HI
- Average sea temperature in October: 80°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in October /
Average sunshine in October
Pearl City, HI
- Average daylight in October: 11h and 36min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in October: 7h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in October
Pearl City, HI
- Average sunshine days in October: 6.3 days
The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is November (6.2 days).
Average UV index in October
Pearl City, HI
- Average UV index in October: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in October
Pearl City, HI
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in October
Pearl City, HI
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
