August weather forecast
Piti, GU

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Weather in August

Despite the stable climate, Piti's weather witnesses a noticeable increase in rainfall from July to August. The rainfall, however, comes with a silver lining, as it unveils an exceptionally lush, green landscape of city making it appear refreshed. As Piti transitions to September, a slight decrease in rainfall accompanied by an increase in temperature is observed. An extravagant amount of rainfall, measuring up to 9.76" (248mm), sets August apart.

Temperature

Piti witnesses its highest average temperatures during July and August, peaking at 84.7°F (29.3°C).

Heat index

For most parts of August, the heat index is computed to be a fiery hot 95°F (35°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The least humid month in Piti, Guam, is August, with an average relative humidity of 76%.

Rainfall

In Piti, in August, it is raining for 28.9 days, with typically 9.76" (248mm) of accumulated precipitation. Throughout the year, in Piti, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 85.5°F (29.7°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

In Piti, Guam, the average length of the day in August is 12h and 34min.
On the first day of August, sunrise is at 6:06 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:33 pm ChST.

Sunshine

In August, the average sunshine is 7.6h.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 7 in August translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Frequently asked questions

What month is the hottest in Piti?

July and August, when the average high-temperature reaches 84.7°F (29.3°C), are the warmest months.

How hot is it in Piti in August?

The high-temperature in Piti during August is 84.7°F (29.3°C) and the low-temperature is 82.4°F (28°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 95°F (35°C).

What is the least humid month in Piti?

With an average relative humidity of 76%, August is the least humid month in Piti, Guam.

What is the average humidity in August in Piti?

In August, the average relative humidity is 76%.

How many days does it rain in August in Piti?

In Piti, in August, it is raining for 28.9 days, with typically 9.76" (248mm) of accumulated precipitation.

What is the month with the warmest ocean in Piti?

The month with the warmest seawater in Piti, Guam, is August, with an average ocean temperature of 85.5°F (29.7°C).

How warm is the water in August in Piti?

In August, the average ocean temperature in Piti is 85.5°F (29.7°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 Piti?

In August, the average day length in Piti is 12h and 34min.

What time are sunrise and sunset in August in Piti?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 6:48 pm. On the last day of the month, in Piti, sunrise is at 6:09 am and sunset at 6:33 pm ChST.

How many hours of sunshine does Piti have in August?

The average sunshine duration in August in Piti is 7.6h.

What are the months with the highest UV index in Piti?

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Piti, Guam.

What is the UV index intensity in August in Piti?

The average daily maximum UV index in August in Piti is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in August
Piti, GU

Average temperature in August - Piti, GU
  • Average high temperature in August: 84.7°F

The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is February (81.7°F).

  • Average low temperature in August: 82.4°F

The month with the highest average low temperature is June (83.3°F).
The coldest month (with the lowest average low temperature) is February (79.7°F).

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Average pressure in August
Piti, GU

Average pressure in August - Piti, GU
  • Average pressure in August: 29.79"Hg

The month with the highest atmospheric pressure is February (29.88"Hg).
The months with the lowest atmospheric pressure are August, September and October (29.79"Hg).

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Average wind speed in August
Piti, GU

Average wind speed in August - Piti, GU
  • Average wind speed in August: 9.6mph

The windiest month (with the highest average wind speed) is February (16.3mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in August
Piti, GU

Average humidity in August - Piti, GU
  • Average humidity in August: 76%

The months with the highest relative humidity are January, March, April, May, October, November and December (78%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in August
Piti, GU

Average rainfall in August - Piti, GU
  • Average rainfall in August: 9.76"

The wettest month (with the highest rainfall) is September (10.28").
The driest month (with the least rainfall) is March (1.81").

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Average rainfall days in August
Piti, GU

Average rainfall days in August - Piti, GU
  • Average rainfall days in August: 28.9 days

The months with the highest number of rainy days are July and August (28.9 days).
The month with the least rainy days is February (17.5 days).

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Average sea temperature in August
Piti, GU

Average sea temperature in August - Piti, GU
  • Average sea temperature in August: 85.4°F

The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).

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Average daylight in August /
Average sunshine in August
Piti, GU

Average daylight in August / Average sunshine in August - Piti, GU
  • Average daylight in August: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in August: 7h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).

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Average sunshine days in August
Piti, GU

Average sunshine days in August - Piti, GU
  • Average sunshine days in August: 1.6 days

The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is September (1.1 days).

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Average UV index in August
Piti, GU

Average UV index in August - Piti, GU
  • Average UV index in August: 7

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

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Average cloud cover in August
Piti, GU

Average cloud cover in August - Piti, GU
  • Average cloud cover in August: 46

The months with the most cloud cover are January, August and October (Cloud cover 46).
The months with the least cloud cover are May and June (Cloud cover 39).

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Average visibility in August
Piti, GU

Average visibility in August - Piti, GU
  • 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).

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Piti, Guam, USA

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