August weather forecast
Deer Park, WA

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Pine tree forests in the hilly region in the Olympic National Park in Deer Park, Washington
Pine tree forests in the hilly region in the Olympic National Park in Deer Park, Washington

Weather in August

The last month of the summer, August, is also a moderately hot month in Deer Park, Washington, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 54.3°F (12.4°C).

Temperature

Deer Park's warmest month, August, registers temperatures that range from a high of 84°F (28.9°C) to a low of 54.3°F (12.4°C).

Heat index

The heat index for August is estimated at 84.2°F (29°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The least humid month is August, with an average relative humidity of 43%.

Rainfall

The month with the least rainfall in Deer Park is August, when the rain falls for 5.1 days and typically collects 0.31" (8mm) of precipitation.

Snowfall

In Deer Park, snow does not fall in June through August.

Daylight

The average length of the day in August is 14h and 14min.
On the first day of August, sunrise is at 5:27 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:32 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 12h of sunshine.

UV index

In Deer Park, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What month is the hottest?

With average high temperatures of 84°F (28.9°C) and lows of 54.3°F (12.4°C), August is the warmest month.

Is it hot during August?

In Deer Park, in August, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 54.3°F (12.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 43%.

What is the average humidity in August?

In Deer Park, the average relative humidity in August is 43%.

What is the driest month?

August is the month with the least rainfall. Rain falls for 5.1 days and accumulates 0.31" (8mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 5.1 days. Throughout August, 0.31" (8mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

In Deer Park, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Deer Park have in August?

In August, the average day length is 14h and 14min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:27 am and sunset at 8:24 pm. On the last day of the month, in Deer Park, sunrise is at 6:07 am and sunset at 7:32 pm PDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 12h of sunshine.

How many hours of sunshine does Deer Park have in August?

In Deer Park, the average sunshine duration in August is 12h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Deer Park, WA

Average temperature in August - Deer Park, WA
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in August: 54.3°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in August
Deer Park, WA

Average pressure in August - Deer Park, WA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in August
Deer Park, WA

Average wind speed in August - Deer Park, WA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).

Average humidity in August
Deer Park, WA

Average humidity in August - Deer Park, WA
  • Average humidity in August: 43%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

Average rainfall in August
Deer Park, WA

Average rainfall in August - Deer Park, WA
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in August
Deer Park, WA

Average rainfall days in August - Deer Park, WA
  • Average rainfall days in August: 5.1 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).

Average snowfall in August
Deer Park, WA

Average snowfall in August - Deer Park, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Deer Park, WA

Average snowfall days in August - Deer Park, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Deer Park, WA

Average daylight in August / Average sunshine in August - Deer Park, WA
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Deer Park, WA

Average sunshine days in August - Deer Park, WA
  • Average sunshine days in August: 23.8 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in August
Deer Park, WA

Average UV index in August - Deer Park, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in August
Deer Park, WA

Average cloud cover in August - Deer Park, WA
  • Average cloud cover in August: 13

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in August
Deer Park, WA

Average visibility in August - Deer Park, WA
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Deer Park, Washington, USA

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