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 snowfall days 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
October's onset records an average high-temperature of a still moderately hot 77.9°F (25.5°C), a near match to September's 79°F (26.1°C). October nights document an average temperature reading of 75.6°F (24.2°C).Humidity
The average relative humidity in October is 77%.Rainfall
The month with the most rainfall is October, when the rain falls for 11.9 days and typically aggregates up to 2.17" (55mm) of precipitation.Snowfall
In Haiku, snow does not fall in January through August, October through December.Daylight
The average length of the day in October is 11h and 40min.On the first day of October, sunrise is at 6:16 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:49 pm HST.
Sunshine
In Haiku, the average sunshine in October is 7.9h.UV index
The months with the lowest UV index in Haiku are January through August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 during October translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
What is the wettest month?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the month with the lowest UV index?
What is the UV index intensity in October?
Average temperature in October
Haiku, HI
- Average high temperature in October: 77.9°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in October: 75.6°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in October
Haiku, 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
Haiku, HI
- Average wind speed in October: 12.1mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in October
Haiku, HI
- Average humidity in October: 77%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in October
Haiku, HI
- Average rainfall in October: 2.17"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in October
Haiku, HI
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in October
Haiku, HI
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
Haiku, 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: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in October
Haiku, HI
- Average sunshine days in October: 12.3 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in October
Haiku, 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
Haiku, HI
- Average cloud cover in October: 28
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in October
Haiku, 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).
Haiku, Hawaii, USA
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