Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Haiku transitions into August, the average high-temperature stands at a still moderately hot 78.6°F (25.9°C), offering little variation from the preceding month. Haiku encounters a small divergence from daytime high temperatures, averaging a low-temperature of 75.7°F (24.3°C) during August nights.Humidity
July and August, with an average relative humidity of 78%, are the most humid months in Haiku.Rainfall
In August, the rain falls for 10.8 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. In Haiku, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through August, October through December are months without snowfall.Daylight
In Haiku, the average length of the day in August is 12h and 49min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:03 pm. On the last day of August, in Haiku, sunrise is at 6:09 am and sunset at 6:41 pm HST.
Sunshine
In August, the average sunshine is 9.2h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in August translates into these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are August temperatures in Haiku?
What is the most humid month in Haiku?
What is the average humidity in August in Haiku?
How many days does it rain in August in Haiku?
When it does not snow in Haiku?
Does it snow in Haiku in August?
What is the average length of the day in August in Haiku?
When are sunrise and sunset in August in Haiku?
How long on average sun shines in August in Haiku?
What is the month with the lowest UV index in Haiku?
What is the UV index intensity in August in Haiku?
Average temperature in August
Haiku, HI
- Average high temperature in August: 78.6°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 August: 75.7°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 August
Haiku, HI
- Average pressure in August: 29.99"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 August
Haiku, HI
- Average wind speed in August: 14.1mph
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 August
Haiku, HI
- Average humidity in August: 78%
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 August
Haiku, HI
- Average rainfall in August: 0.59"
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 August
Haiku, HI
- Average rainfall days in August: 10.8 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 August
Haiku, HI
- Average snowfall days in August: 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 August /
Average sunshine in August
Haiku, HI
- Average daylight in August: 12h and 5min
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 August: 9h and 1min
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 August
Haiku, HI
- Average sunshine days in August: 13.2 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 August
Haiku, HI
- Average UV index in August: 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 August
Haiku, HI
- Average cloud cover in August: 26
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 August
Haiku, 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).
Haiku, Hawaii, USA
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