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 min 51.1°F (10.6°C) and max 81.1°F (27.3°C).

Temperature

With average temperatures fluctuating between a high of 81.1°F (27.3°C) and a low of 51.1°F (10.6°C), August stands out as the warmest month.

Heat index

In August, the average heat index is evaluated at 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

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

Rainfall

In Monroe, in August, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Monroe, during the entire year, the rain falls for 161.8 days and collects up to 28.82" (732mm) of precipitation.

Snowfall

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

Sunshine

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

UV index

In Monroe, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What time of the year is the hottest?

Monroe witnesses the warmest weather in August, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 51.1°F (10.6°C).

What is the usual temperature for Monroe in August?

In Monroe, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 51.1°F (10.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the least humid month?

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

What is the average humidity in August in Monroe?

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

How much does it rain in August?

In August, in Monroe, the rain falls for 3.6 days. Throughout August, 0.35" (9mm) of precipitation is accumulated.

When it does not snow in Monroe?

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

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

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?

With an average of 11.1h of sunshine, August has the most sunshine of the year in Monroe.

How long on average sun shines in August?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Monroe, Oregon, USA

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