August weather forecast
Tillamook, OR

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A beach on the Oregon Coastline in Tillamook, below a unique scenery of seaside homes, large rocks, cliffs, and far hilly ranges
A beach on the Oregon Coastline in Tillamook, below a unique scenery of seaside homes, large rocks, cliffs, and far hilly ranges

Weather in August

Amid the sultry summer season, August offers slightly milder conditions in Tillamook. From 66.7°F (19.3°C) in July, the temperature shifts to a breath-taking maximum of 68.4°F (20.2°C). However, the month shares similarities with its predecessor when it comes to daylight and sunshine hours. As September approaches, the noticeably cooler and shorter days signal the onset of autumn. On the whole, August represents the tale end of summers in Tillamook.

Temperature

The average temperatures in Tillamook reach their apex in August, averaging 68.4°F (20.2°C) at the high end and 53.8°F (12.1°C) at the low end.

Humidity

The average relative humidity in August in Tillamook, Oregon, is 81%.

Rainfall

In Tillamook, in August, during 4.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, in Tillamook, Oregon, there are 137.4 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

In Tillamook, snow does not fall in April through November.

Daylight

The average length of the day in August is 14h and 3min.
On the first day of August in Tillamook, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:54 pm PDT.

Sunshine

With an average of 10.5h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 4 during August translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What time of the year is the hottest in Tillamook?

The temperatures in Tillamook reach their highest averages in August, with highs of 68.4°F (20.2°C) and lows of 53.8°F (12.1°C).

What are the temperatures in Tillamook in August?

The high-temperature, in August, in Tillamook, records 68.4°F (20.2°C), while the low-temperature is 53.8°F (12.1°C).

What is the average humidity in August in Tillamook?

In August, the average relative humidity is 81%.

How much does it rain in Tillamook in August?

In August, in Tillamook, the rain falls for 4.3 days. Throughout August, 0.28" (7mm) of precipitation is accumulated.

When it does not snow in Tillamook?

April through November are months without snowfall in Tillamook.

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

In Tillamook, the average day length in August is 14h and 3min.

When are sunrise and sunset in August in Tillamook?

On the first day of August in Tillamook, Oregon, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:54 pm PDT.

What month has the most sunshine in Tillamook?

With an average of 10.5h of sunshine, August has the most sunshine of the year in Tillamook.

How many hours of sunshine does Tillamook have in August?

In Tillamook, the average sunshine duration in August is 10.5h.

What is the UV index intensity in August in Tillamook?

In August, the average daily maximum UV index in Tillamook is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Tillamook, OR

Average temperature in August - Tillamook, OR
  • Average high temperature in August: 68.4°F

The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in August: 53.8°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

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Average pressure in August
Tillamook, OR

Average pressure in August - Tillamook, OR
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

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Average wind speed in August
Tillamook, OR

Average wind speed in August - Tillamook, OR
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in August
Tillamook, OR

Average humidity in August - Tillamook, OR
  • Average humidity in August: 81%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in August
Tillamook, OR

Average rainfall in August - Tillamook, OR
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in August
Tillamook, OR

Average rainfall days in August - Tillamook, OR
  • Average rainfall days in August: 4.3 days

The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).

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Average snowfall in August
Tillamook, OR

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Tillamook, OR

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

The month with the highest number of snowfall days is February (1.2 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
Tillamook, OR

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in August
Tillamook, OR

Average sunshine days in August - Tillamook, OR
  • Average sunshine days in August: 24.3 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).

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Average UV index in August
Tillamook, OR

Average UV index in August - Tillamook, OR
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
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
Tillamook, OR

Average cloud cover in August - Tillamook, OR
  • Average cloud cover in August: 28

The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Tillamook, OR

Average visibility in August - Tillamook, OR
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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Tillamook, Oregon, USA

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