August weather forecast
Lanai City, HI

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Weather in August

August prolongs the summer saga in Lanai City. The rainfall increases mildly to 0.24" (6mm), while temperatures remain steady, supporting the ongoing illustrious summer. Although indoor activities might be tempting, the sea continues to call, presenting opportunities for snorkeling or deep-sea fishing. However, expect a relatively high UV index of 7, making sunscreen and shade a necessity during outdoor adventures. Furthermore, with a visibility index rooted at 6 miles, sightseeing in the city remains unhindered.

Temperature

August's weather in Lanai City displays an average high-temperature of a still warm 80.2°F (26.8°C), slightly varied from July's 79.9°F (26.6°C). Lanai City's August nights witness minimal differential from the daytime temperatures, with averages of 77.5°F (25.3°C).

Humidity

In Lanai City, the average relative humidity in August is 74%.

Rainfall

In Lanai City, in August, it is raining for 5.2 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 98.9 rainfall days, and 7.64" (194mm) of precipitation is accumulated.

Snowfall

In Lanai City, snow does not fall in January through August, October through December.

Ocean temperature

In Lanai City, in August, the average water temperature is 78.8°F (26°C).
Note: For swimming, diving, and various water activities, the temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

The average length of the day in August is 12h and 49min.
On the first day of August, sunrise is at 6:02 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 6:43 pm HST.

Sunshine

The average sunshine in August is 9.6h.

UV index

May through October, with an average maximum UV index of 7, are months with the highest 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 7 in August translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing. Watch out! Sand and water enhance the UV exposure you receive.

Frequently asked questions

What is the temperature in August?

The average high-temperature and low-temperature during August are 80.2°F (26.8°C) and 77.5°F (25.3°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 74%.

How much does it rain in August?

In Lanai City, Hawaii, during August, the rain falls for 5.2 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow?

January through August, October through December are months without snowfall.

Does it snow in August?

In Lanai City, Hawaii, in August, it doesn't snow. In September, it regularly snows.

How warm is the water in August?

In Lanai City, in August, the average water temperature is 78.8°F (26°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in August?

In August, the average day length is 12h and 49min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:02 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 6:43 pm HST.

How long on average sun shines in August?

The average sunshine duration in August is 9.6h.

What is the month with the highest UV index?

May through October, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in August?

The average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Lanai City, HI

Average temperature in August - Lanai City, HI
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).

  • Average low temperature in August: 77.5°F

The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).

Average pressure in August
Lanai City, HI

Average pressure in August - Lanai City, HI
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The month with the lowest atmospheric pressure is October (29.96"Hg).

Average wind speed in August
Lanai City, HI

Average wind speed in August - Lanai City, HI
  • Average wind speed in August: 10.3mph

The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).

Average humidity in August
Lanai City, HI

Average humidity in August - Lanai City, HI
  • Average humidity in August: 74%

The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in August
Lanai City, HI

Average rainfall in August - Lanai City, HI
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in August
Lanai City, HI

Average rainfall days in August - Lanai City, HI
  • Average rainfall days in August: 5.2 days

The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).

Average snowfall days in August
Lanai City, HI

Average snowfall days in August - Lanai City, 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 sea temperature in August
Lanai City, HI

Average sea temperature in August - Lanai City, HI
  • Average sea temperature in August: 79°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

Average daylight in August /
Average sunshine in August
Lanai City, HI

Average daylight in August / Average sunshine in August - Lanai City, 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 4min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in August
Lanai City, HI

Average sunshine days in August - Lanai City, HI
  • Average sunshine days in August: 24.9 days

The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).

Average UV index in August
Lanai City, HI

Average UV index in August - Lanai City, HI
  • Average UV index in August: 7

The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).

Average cloud cover in August
Lanai City, HI

Average cloud cover in August - Lanai City, HI
  • Average cloud cover in August: 19

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in August
Lanai City, HI

Average visibility in August - Lanai City, 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).

Lanai City, Hawaii, USA

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