August weather forecast and climate
Brewster, WA

Weather in August

August, the last month of the summer, in Brewster, is another warm month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 83.1°F (28.4°C).

Temperature

July and August, with an average high-temperature of 83.1°F (28.4°C), are the warmest months.

Heat index

The average heat index is calculated to be 82.4°F (28°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

With an average relative humidity of 40%, August is the least humid month in Brewster, Washington.

Rainfall

In Brewster, during August, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Brewster, during the entire year, the rain falls for 101.3 days and collects up to 9.45" (240mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Brewster, the average length of the day is 14.2h.

Sunshine

Months with the most sunshine in Brewster are July and August, with an average of 12h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What are the warmest months in Brewster?

July and August, with an average high-temperature of 83.1°F (28.4°C), are warmest months.

What is the temperature in August in Brewster?

In Brewster, in August, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 57°F (13.9°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 82.4°F (28°C).

What is the least humid month in Brewster?

The least humid month in Brewster, Washington, is August, with an average relative humidity of 40%.

What is the average humidity in August in Brewster?

In Brewster, the average relative humidity in August is 40%.

How many days does it rain in August in Brewster?

In Brewster, in August, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow in Brewster?

April through October are months without snowfall in Brewster.

How many hours of daylight does Brewster have in August?

In August, the average length of the day in Brewster is 14.2h.

What is the month with the most sunshine in Brewster?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Brewster.

How many hours of sunshine does Brewster have in August?

In August, the average sunshine in Brewster, Washington, is 12h.

What is the UV index reading in August in Brewster?

In Brewster, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in August
Brewster, WA

Average temperature in August - Brewster, WA
  • Average high temperature in August: 83.1°F

The warmest months (with the highest average high temperature) are July and August (83.1°F).
Months with the lowest average high temperature are January and December (30.7°F).

  • Average low temperature in August: 57°F

The month with the highest average low temperature is August (57°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).

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Average pressure in August
Brewster, WA

Average pressure in August - Brewster, WA
  • Average pressure in August: 29.93"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.93").

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Average wind speed in August
Brewster, WA

Average wind speed in August - Brewster, WA
  • Average wind speed in August: 5mph

The windiest months (with the highest average wind speed) are April, June and July (5.3mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).

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Average humidity in August
Brewster, WA

Average humidity in August - Brewster, WA
  • Average humidity in August: 40%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in August
Brewster, WA

Average rainfall in August - Brewster, WA
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in August
Brewster, WA

Average rainfall days in August - Brewster, WA
  • Average rainfall days in August: 2.8 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in August
Brewster, WA

Average snowfall in August - Brewster, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.72").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Brewster, WA

Average snowfall days in August - Brewster, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (9.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Brewster, WA

Average daylight in August / Average sunshine in August - Brewster, WA
  • Average daylight in August: 14.2h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in August: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average sunshine days in August
Brewster, WA

Average sunshine days in August - Brewster, WA
  • Average sunshine days in August: 26.3 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.7 days).

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Average UV index in August
Brewster, WA

Average UV index in August - Brewster, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in August
Brewster, WA

Average cloud cover in August - Brewster, WA
  • Average cloud cover in August: 12

The month with the most cloud cover is January (Cloud cover 53).
Months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in August
Brewster, WA

Average visibility in August - Brewster, WA
  • Average visibility in August: 6mi

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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