August weather forecast
Monroe, OR

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Weather in August

The last month of the summer, August, is also a moderately hot month in Monroe, Oregon, with an average temperature ranging between max 81.1°F (27.3°C) and min 51.1°F (10.6°C).

Temperature

August is the warmest month, with the temperature often reaching an average high of 81.1°F (27.3°C) and an average low of 51.1°F (10.6°C).

Heat index

The heat index value for August is computed to be 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

With an average relative humidity of 68%, August is the least humid month in Monroe.

Rainfall

In Monroe, in August, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, in Monroe, there are 161.8 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

In Monroe, Oregon, snow does not fall in April through October.

Daylight

In Monroe, the average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 6:01 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:50 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 11.1h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What time of the year is the hottest in Monroe?

August proves to be the warmest month in Monroe, recording an average peak temperature of 81.1°F (27.3°C) and a minimum temperature of 51.1°F (10.6°C).

What is the average August temperature in Monroe?

In Monroe, 81.1°F (27.3°C) is the average high-temperature and 51.1°F (10.6°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 84.2°F (29°C).

What is the least humid month in Monroe?

August is the least humid month in Monroe, with an average relative humidity of 68%.

What is the average humidity in August in Monroe?

In August, the average relative humidity in Monroe is 68%.

How much does it rain in Monroe in August?

In Monroe, Oregon, during August, the rain falls for 3.6 days and regularly aggregates up to 0.35" (9mm) of precipitation.

When it does not snow in Monroe?

April through October are months without snowfall in Monroe, Oregon.

How many hours of daylight does Monroe have in August?

The average day length in August in Monroe is 13h and 58min.

What time are sunrise and sunset in August in Monroe?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:50 pm PDT.

What month has the most sunshine in Monroe?

The month with the most sunshine is August, with an average of 11.1h of sunshine.

How long on average sun shines in August in Monroe?

In Monroe, Oregon, the average sunshine duration in August is 11.1h.

How high is the UV index in August in Monroe?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Monroe, OR

Average temperature in August - Monroe, OR
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).

  • Average low temperature in August: 51.1°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

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Average pressure in August
Monroe, OR

Average pressure in August - Monroe, OR
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in August
Monroe, OR

Average wind speed in August - Monroe, OR
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

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Average humidity in August
Monroe, OR

Average humidity in August - Monroe, OR
  • Average humidity in August: 68%

The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in August
Monroe, OR

Average rainfall in August - Monroe, OR
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in August
Monroe, OR

Average rainfall days in August - Monroe, OR
  • Average rainfall days in August: 3.6 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in August
Monroe, OR

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

The month with the highest snowfall is February (1.81").
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
Monroe, OR

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

The month with the highest number of snowfall days is February (2 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
Monroe, OR

Average daylight in August / Average sunshine in August - Monroe, 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 1min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in August
Monroe, OR

Average sunshine days in August - Monroe, OR
  • Average sunshine days in August: 25.3 days

The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).

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Average UV index in August
Monroe, OR

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

The month with the highest UV index is July (UV index 6).
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
Monroe, OR

Average cloud cover in August - Monroe, OR
  • Average cloud cover in August: 22

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in August
Monroe, OR

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

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

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Monroe, Oregon, USA

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