August weather forecastNaalehu, HI
August
Weather in August
August in Naalehu offers the highest temperatures of the year, averaging around 73.2°F (22.9°C), where humidity stays steady at 81%. Rain becomes more frequent with rainfall amounting to 1.73" (44mm). Despite minimal shifts in cloud cover and daylight hours, the overall conditions remain quite similar to July. The warm, yet comfortable, weather during this month brings a unique flavor to the Hawaiian summer.Temperature
Naalehu experiences peak temperatures, averaging a high-temperature of 73.2°F (22.9°C) during August and October.Humidity
The months with the highest humidity are June through September, with an average relative humidity of 81%.Rainfall
In Naalehu, during August, the rain falls for 21.8 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Daylight
In August, the average length of the day is 12h and 45min.On the first day of the month, sunrise is at 5:59 am and sunset at 6:57 pm. On the last day of August, sunrise is at 6:07 am and sunset at 6:37 pm HST.
Sunshine
In August, the average sunshine in Naalehu is 8.7h.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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Naalehu, HI
- Average high temperature in August: 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 August: 69.1°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 August
Naalehu, HI
- Average pressure in August: 29.97"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 August
Naalehu, HI
- Average wind speed in August: 6.1mph
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 August
Naalehu, HI
- Average humidity in August: 81%
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 August
Naalehu, HI
- Average rainfall in August: 1.73"
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 August
Naalehu, HI
- Average rainfall days in August: 21.8 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 August /
Average sunshine in August
Naalehu, HI
- Average daylight in August: 12h and 48min
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 August: 8h and 42min
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 August
Naalehu, HI
- Average sunshine days in August: 4 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 August
Naalehu, HI
- Average UV index in August: 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 August
Naalehu, HI
- Average cloud cover in August: 28
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 August
Naalehu, HI
- Average visibility in August: 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).
