August weather forecast
Mountain View, HI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Mountain View, Hawaii, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 68.9°F (20.5°C).

Temperature

Mountain View's temperatures tend to reach their peak averages in August, with a high of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C).

Humidity

In Mountain View, the average relative humidity in August is 79%.

Rainfall

In Mountain View, during August, the rain falls for 19.5 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Mountain View, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 12h and 46min.
On the first day of August, sunrise is at 5:56 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:35 pm HST.

Sunshine

In August, the average sunshine in Mountain View is 9h.

UV index

The months with the highest UV index are May through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

August stands out as Mountain View's warmest month, with an average high-temperature of 75.4°F (24.1°C) and a low-temperature of 68.9°F (20.5°C).

What is the average August temperature?

The average high-temperature and low-temperature during August are 75.4°F (24.1°C) and 68.9°F (20.5°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In Mountain View, in August, it is raining for 19.5 days, with typically 2.52" (64mm) of accumulated precipitation.

What is the average length of the day in August?

In August, the average day length is 12h and 46min.

What time are sunrise and sunset in August in Mountain View?

On the first day of August, sunrise is at 5:56 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:35 pm HST.

How long on average sun shines in August?

In August, the average sunshine duration is 9h.

What is the month with the highest UV index?

May through December, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

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

Average temperature in August
Mountain View, HI

Average temperature in August - Mountain View, HI
  • Average high temperature in August: 75.4°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in August: 68.9°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

Average pressure in August
Mountain View, HI

Average pressure in August - Mountain View, HI
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in August
Mountain View, HI

Average wind speed in August - Mountain View, HI
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

Average humidity in August
Mountain View, HI

Average humidity in August - Mountain View, HI
  • Average humidity in August: 79%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

Average rainfall in August
Mountain View, HI

Average rainfall in August - Mountain View, HI
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

Average rainfall days in August
Mountain View, HI

Average rainfall days in August - Mountain View, HI
  • Average rainfall days in August: 19.5 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

Average daylight in August /
Average sunshine in August
Mountain View, HI

Average daylight in August / Average sunshine in August - Mountain View, HI
  • Average daylight in August: 12h and 5min

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: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in August
Mountain View, HI

Average sunshine days in August - Mountain View, HI
  • Average sunshine days in August: 1.8 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

Average UV index in August
Mountain View, HI

Average UV index in August - Mountain View, HI
  • Average UV index in August: 6

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

Average cloud cover in August
Mountain View, HI

Average cloud cover in August - Mountain View, HI
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in August
Mountain View, HI

Average visibility in August - Mountain View, 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).

Mountain View, Hawaii, USA

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