August weather forecast
Cascadia, OR

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Weather in August

The last month of the summer, August, is another warm month in Cascadia, Oregon, with an average temperature fluctuating between 49.8°F (9.9°C) and 79.5°F (26.4°C).

Temperature

August, recognised by an average high temperature of 79.5°F (26.4°C) and a low of 49.8°F (9.9°C), is Cascadia's warmest month.

Humidity

With an average relative humidity of 66%, August is the least humid month.

Rainfall

In Cascadia, in August, it is raining for 4.2 days, with typically 0.31" (8mm) of accumulated precipitation. In Cascadia, during the entire year, the rain falls for 167.6 days and collects up to 36.54" (928mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:47 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 11.3h of sunshine.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What are the warmest months?

Cascadia's temperatures peak on average in August, reaching 79.5°F (26.4°C) at their highest and 49.8°F (9.9°C) at their lowest.

What is the usual temperature for Cascadia in August?

The average high-temperature and low-temperature in Cascadia during August are 79.5°F (26.4°C) and 49.8°F (9.9°C) respectively.

What is the least humid month?

With an average relative humidity of 66%, August is the least humid month.

What is the average humidity in August?

In Cascadia, Oregon, the average relative humidity in August is 66%.

How many days does it rain in August?

In August, the rain falls for 4.2 days. Throughout August, 0.31" (8mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall in Cascadia.

How many hours of daylight does Cascadia have in August?

In Cascadia, the average day length in August is 13h and 58min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:34 pm. On the last day of the month, in Cascadia, Oregon, sunrise is at 6:32 am and sunset at 7:47 pm PDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 11.3h of sunshine.

How many hours of sunshine does Cascadia have in August?

In Cascadia, the average sunshine duration in August is 11.3h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Cascadia, OR

Average temperature in August - Cascadia, OR
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in August: 49.8°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

Average pressure in August
Cascadia, OR

Average pressure in August - Cascadia, OR
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in August
Cascadia, OR

Average wind speed in August - Cascadia, OR
  • Average wind speed in August: 3.7mph

The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in August
Cascadia, OR

Average humidity in August - Cascadia, OR
  • Average humidity in August: 66%

The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in August
Cascadia, OR

Average rainfall in August - Cascadia, OR
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in August
Cascadia, OR

Average rainfall days in August - Cascadia, OR
  • Average rainfall days in August: 4.2 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).

Average snowfall in August
Cascadia, OR

Average snowfall in August - Cascadia, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Cascadia, OR

Average snowfall days in August - Cascadia, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Cascadia, OR

Average daylight in August / Average sunshine in August - Cascadia, OR
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in August
Cascadia, OR

Average sunshine days in August - Cascadia, OR
  • Average sunshine days in August: 24.8 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).

Average UV index in August
Cascadia, OR

Average UV index in August - Cascadia, OR
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in August
Cascadia, OR

Average cloud cover in August - Cascadia, OR
  • Average cloud cover in August: 19

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in August
Cascadia, OR

Average visibility in August - Cascadia, OR
  • Average visibility in August: 6mi

The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).

Cascadia, Oregon, USA

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