August weather forecast
Pasco, WA

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The pink sunrise sky over the iconic Pasco Bridge across the glassy calm waters near Pasco, Washington
The pink sunrise sky over the iconic Pasco Bridge across the glassy calm waters near Pasco, Washington

Weather in August

August continues the summer spell with temperatures nearly matching July's heat. Cloud cover and humidity remain low, ensuring ample sunshine throughout the city. The heat doesn't subside in August, keeping pool and beach activities relevant. The sights and sounds of summer resonate through the gentle winds of Pasco, creating an atmosphere of relaxation and thrill. With its sunny days, warm temperatures and minimum rainfall, August reinforces the charm of summer in the city.

Temperature

August's advent in Pasco notes a subtle adjustment in average high-temperature to a still tropical 89.1°F (31.7°C) from July. Nighttime temperatures throughout August in Pasco register a significant deviation from the day's highs, averaging at an enjoyable 64°F (17.8°C).

Humidity

In August, the average relative humidity is 36%.

Rainfall

In Pasco, in August, it is raining for 3.5 days, with typically 0.24" (6mm) of accumulated precipitation. In Pasco, during the entire year, the rain falls for 101.7 days and collects up to 7.36" (187mm) of precipitation.

Snowfall

In Pasco, snow does not fall in April through October.

Daylight

The average length of the day in August in Pasco is 14h and 6min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:26 pm. On the last day of August, in Pasco, sunrise is at 6:16 am and sunset at 7:36 pm PDT.

Sunshine

In August, the average sunshine in Pasco is 12h.

UV index

In Pasco, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during August leads to these instructions:
Take precautions against overexposure. Protection against sun damage is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot is August in Pasco?

The average high-temperature and low-temperature during August are 89.1°F (31.7°C) and 64°F (17.8°C) respectively.

What is the average humidity in August in Pasco?

In Pasco, Washington, the average relative humidity in August is 36%.

How much does it rain in Pasco in August?

In August, in Pasco, Washington, the rain falls for 3.5 days. Throughout August, 0.24" (6mm) of precipitation is accumulated.

When it does not snow in Pasco?

In Pasco, Washington, snow does not fall in April through October.

What is the average length of the day in August in Pasco?

In August, the average day length in Pasco is 14h and 6min.

When is the sunrise / sunset in August in Pasco?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:26 pm. On the last day of the month, in Pasco, Washington, sunrise is at 6:16 am and sunset at 7:36 pm PDT.

How many hours of sunshine does Pasco have in August?

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

How high is the UV index in August in Pasco?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Pasco, WA

Average temperature in August - Pasco, WA
  • Average high temperature in August: 89.1°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

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Average pressure in August
Pasco, WA

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

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

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Average wind speed in August
Pasco, WA

Average wind speed in August - Pasco, WA
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in August
Pasco, WA

Average humidity in August - Pasco, WA
  • Average humidity in August: 36%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).

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Average rainfall in August
Pasco, WA

Average rainfall in August - Pasco, WA
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is January (0.94").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in August
Pasco, WA

Average rainfall days in August - Pasco, WA
  • Average rainfall days in August: 3.5 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.5 days).

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Average snowfall in August
Pasco, WA

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

The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Pasco, WA

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

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in August
Pasco, WA

Average sunshine days in August - Pasco, WA
  • Average sunshine days in August: 24.9 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14.7 days).

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Average UV index in August
Pasco, WA

Average UV index in August - Pasco, WA
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Pasco, WA

Average cloud cover in August - Pasco, WA
  • Average cloud cover in August: 10

The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in August
Pasco, WA

Average visibility in August - Pasco, WA
  • 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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Pasco, Washington, USA

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