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 onset of October notes an average high-temperature of a still warm 80.8°F (27.1°C), subtly shifted from September's 81°F (27.2°C). Heeia records a slight downturn in temperature to an average of 76.1°F (24.5°C) during October nights.Heat index
In October, the average heat index is computed to be a tropical 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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
February through April, July, August, October and December, with an average relative humidity of 76%, are the most humid months in Heeia.Rainfall
In Heeia, in October, it is raining for 17.5 days, with typically 1.73" (44mm) of accumulated precipitation. In Heeia, during the entire year, the rain falls for 187.1 days and collects up to 15.83" (402mm) of precipitation.Ocean temperature
In Heeia, the average seawater temperature in October is 80.1°F (26.7°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.
Daylight
The average length of the day in October is 11h and 38min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:18 pm. On the last day of October, in Heeia, sunrise is at 6:34 am and sunset at 5:55 pm HST.
Sunshine
The average sunshine in October is 8.1h.UV index
The months with the lowest UV index in Heeia are January through June, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during October translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Heeia in October?
What is the most humid month in Heeia?
What is the average humidity in October in Heeia?
How much does it rain in Heeia in October?
What is the ocean temperature in October in Heeia?
How many hours of daylight does Heeia have in October?
What time are sunrise and sunset in October in Heeia?
How long on average sun shines in October in Heeia?
When is the lowest UV index in Heeia?
How high is the UV index in October in Heeia?
Average temperature in October
Heeia, HI
- Average high temperature in October: 80.8°F
The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in October: 76.1°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).
Average pressure in October
Heeia, 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
Heeia, HI
- Average wind speed in October: 10.6mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).
Average humidity in October
Heeia, HI
- Average humidity in October: 76%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
Average rainfall in October
Heeia, HI
- Average rainfall in October: 1.73"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in October
Heeia, HI
- Average rainfall days in October: 17.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).
Average sea temperature in October
Heeia, 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
Heeia, 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 54min).
- Average sunshine in October: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in October
Heeia, HI
- Average sunshine days in October: 7.2 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in October
Heeia, HI
- Average UV index in October: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in October
Heeia, HI
- Average cloud cover in October: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in October
Heeia, 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).
Heeia, Hawaii, USA
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