August weather forecast
Willamina, OR

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Weather in August

August, the last month of the summer in Willamina, is another warm month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 78.4°F (25.8°C).

Temperature

Willamina's warmest weather arrives in August, when temperatures average a high of 78.4°F (25.8°C) and a low of 52.3°F (11.3°C).

Humidity

With an average relative humidity of 71%, August is the least humid month in Willamina.

Rainfall

In Willamina, in August, it is raining for 4.8 days, with typically 0.31" (8mm) of accumulated precipitation. In Willamina, during the entire year, the rain falls for 156 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

April through October are months without snowfall in Willamina.

Daylight

In August, the average length of the day is 14h and 1min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:52 pm PDT.

Sunshine

August has the most sunshine of the year in Willamina, with an average of 10.5h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in August translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the warmest month in Willamina?

With average temperatures fluctuating between a high of 78.4°F (25.8°C) and a low of 52.3°F (11.3°C), August stands out as the warmest month in Willamina.

What are the temperatures in Willamina in August?

The high-temperature, in August, in Willamina, is 78.4°F (25.8°C), while the low-temperature averages to 52.3°F (11.3°C).

What is the least humid month in Willamina?

The least humid month is August, with an average relative humidity of 71%.

What is the average humidity in August in Willamina?

In August, the average relative humidity in Willamina is 71%.

How much does it rain in Willamina in August?

In Willamina, in August, it is raining for 4.8 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow in Willamina?

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

How many hours of daylight does Willamina have in August?

In Willamina, the average day length in August is 14h and 1min.

When is the sunrise / sunset in August in Willamina?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:40 pm. On the last day of the month, in Willamina, sunrise is at 6:35 am and sunset at 7:52 pm PDT.

What month has the most sunshine in Willamina?

The month with the most sunshine in Willamina, Oregon, is August, with an average of 10.5h of sunshine.

How many hours of sunshine does Willamina have in August?

The average sunshine duration in August in Willamina, Oregon, is 10.5h.

What is the UV index intensity in August in Willamina?

In Willamina, Oregon, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Willamina, OR

Average temperature in August - Willamina, OR
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in August: 52.3°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in August
Willamina, OR

Average pressure in August - Willamina, OR
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).

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Average wind speed in August
Willamina, OR

Average wind speed in August - Willamina, OR
  • Average wind speed in August: 3.8mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in August
Willamina, OR

Average humidity in August - Willamina, OR
  • Average humidity in August: 71%

The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in August
Willamina, OR

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

The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in August
Willamina, OR

Average rainfall days in August - Willamina, OR
  • Average rainfall days in August: 4.8 days

The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in August
Willamina, OR

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

The month with the highest snowfall is February (0.94").
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
Willamina, OR

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

The month with the highest number of snowfall days is February (2.3 days).
The 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
Willamina, OR

Average daylight in August / Average sunshine in August - Willamina, 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 February (Average sunshine: 3h and 24min).

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Average sunshine days in August
Willamina, OR

Average sunshine days in August - Willamina, OR
  • Average sunshine days in August: 23.2 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in August
Willamina, OR

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

The months with the highest UV index are June and 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
Willamina, OR

Average cloud cover in August - Willamina, OR
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Willamina, OR

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

The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).

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Willamina, Oregon, USA

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