August weather forecast
Willamina, OR

Weather in August

The last month of the summer, August, is also a moderately hot month in Willamina, Oregon, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 52.3°F (11.3°C).

Temperature

The warmest month is August, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature 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 August, the rain falls for 4.8 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. 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.

Daylight

The average length of the day is 14h.

Sunshine

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

UV index

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the warmest month in Willamina?

With an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 52.3°F (11.3°C), August is the warmest month.

What is the least humid month in Willamina?

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

What is the average humidity in August in Willamina?

The average relative humidity in August in Willamina is 71%.

How much does it rain in Willamina in August?

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

When it does not snow in Willamina?

April through October are months without snowfall.

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

The average length of the day in August in Willamina, Oregon, is 14h.

What month has the most sunshine in Willamina?

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

How long on average sun shines in August in Willamina?

The average sunshine in August in Willamina is 10.5h.

What is the UV index reading in August in Willamina?

In Willamina, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

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).

[Resources]

Average pressure in August
Willamina, OR

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

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

[Resources]

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).

[Resources]

Average humidity in August
Willamina, OR

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

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

[Resources]

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").

[Resources]

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).

[Resources]

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").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in August: 10.5h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 3.4h).

[Resources]

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).

[Resources]

Average UV index in August
Willamina, OR

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

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).

[Resources]

Average visibility in August
Willamina, OR

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location