Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The arrival of October coincides with an average high-temperature of a still moderately hot 81.1°F (27.3°C), indicating a minimal shift from September's 81.7°F (27.6°C). Waialua's nights throughout October are marked by an average low temperature of 75.4°F (24.1°C), a minor drop from the day's high.Heat index
In October, the heat index is estimated at a hot 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Realize that the values for the heat index are set for shaded places and light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Waialua, the average relative humidity in October is 75%.Rainfall
The wettest months are February and October, with an average 1.34" (34mm) of rainfall.Ocean temperature
In October, the average ocean temperature is 79.7°F (26.5°C).Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
In Waialua, the average length of the day in October is 11h and 38min.On the first day of October, sunrise is at 6:24 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:56 pm HST.
Sunshine
The average sunshine in October is 7.8h.UV index
The months with the lowest UV index in Waialua are January through June, August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during October leads to these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! UV strength is notably upped by the reflection of sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Waialua in October?
What is the average humidity in October?
What is the rainiest month?
How much does it rain in October?
What is the ocean temperature in October?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Waialua have in October?
What is the month with the lowest UV index?
What is the UV index reading in October?
Average temperature in October
Waialua, HI
- Average high temperature in October: 81.1°F
The warmest month (with the highest average high temperature) is September (81.7°F).
The month with the lowest average high temperature is February (75°F).
- Average low temperature in October: 75.4°F
The months with the highest average low temperature are August and September (75.7°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in October
Waialua, HI
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed in October
Waialua, HI
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in October
Waialua, 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 May and September (74%).
Average rainfall in October
Waialua, HI
- Average rainfall in October: 1.34"
The wettest months (with the highest rainfall) are February and October (1.34").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in October
Waialua, HI
- Average rainfall days in October: 16.4 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in October
Waialua, HI
- Average sea temperature in October: 79.6°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (75.2°F).
Average daylight in October /
Average sunshine in October
Waialua, HI
- Average daylight in October: 11h and 4min
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 48min).
- Average sunshine in October: 7h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in October
Waialua, HI
- Average sunshine days in October: 8.3 days
The month with the most sunshine days is January (12.9 days).
The month with the least sunshine days is September (6.5 days).
Average UV index in October
Waialua, HI
- Average UV index in October: 6
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover in October
Waialua, HI
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are January and September (Cloud cover 37).
Average visibility in October
Waialua, 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).
Waialua, Hawaii, USA
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