October weather forecastNaalehu, HI
October
Weather in October
October in Naalehu brings a hint of autumnal charm without much change in temperature or humidity. Even though temperature and rainfall retain similarity with September, there's a noticeable decrease in daylight and sunshine hours. The UV index also trims down to 6 from the earlier high values. However, the conditions remain favorable to explore the natural wonders and scenic beauty of Naalehu uninhibitedly.Temperature
Naalehu's warmest months, August and October, record an average high-temperature of 73.2°F (22.9°C).Humidity
In October, the average relative humidity is 80%.Rainfall
In Naalehu, in October, during 20.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Daylight
The average length of the day in October is 11h and 42min.On the first day of October, sunrise is at 6:13 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:49 pm HST.
Sunshine
The average sunshine in October is 7.8h.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in October translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Naalehu, HI
- Average high temperature in October: 73.2°F
The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).
- Average low temperature in October: 70°F
The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).
Average pressure in October
Naalehu, HI
- Average pressure in October: 29.96"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in October
Naalehu, HI
- Average wind speed in October: 6mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in October
Naalehu, HI
- Average humidity in October: 80%
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall in October
Naalehu, HI
- Average rainfall in October: 1.54"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in October
Naalehu, HI
- Average rainfall days in October: 20.4 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).
Average daylight in October /
Average sunshine in October
Naalehu, HI
- Average daylight in October: 11h and 42min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in October: 7h and 48min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).
Average sunshine days in October
Naalehu, HI
- Average sunshine days in October: 3.7 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).
Average UV index in October
Naalehu, HI
- Average UV index in October: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in October
Naalehu, HI
- Average cloud cover in October: 25
The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in October
Naalehu, 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).





