Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Temperature records mark August as the warmest month, with highs averaging 80.8°F (27.1°C) and lows at 52.5°F (11.4°C).Heat index
In August, the heat index is computed to be 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The least humid month is August, with an average relative humidity of 68%.Rainfall
In August, in Monmouth, the rain falls for 4 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 144.6 rainfall days, and 10.04" (255mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Monmouth.Daylight
In August, the average length of the day in Monmouth is 14h and 0min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:50 pm PDT.
Sunshine
July and August, with an average of 10.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Monmouth are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What part of the year is the hottest in Monmouth?
What are the temperatures in Monmouth in August?
What is the least humid month in Monmouth?
What is the average humidity in August in Monmouth?
How many days does it rain in August in Monmouth?
When it does not snow in Monmouth?
How many hours of daylight does Monmouth have in August?
What time are sunrise and sunset in August in Monmouth?
What is the month with the most sunshine in Monmouth?
How long on average sun shines in August in Monmouth?
When is the highest UV index in Monmouth?
What is the UV index reading in August in Monmouth?
Average temperature in August
Monmouth, OR
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in August: 52.5°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in August
Monmouth, 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
Monmouth, OR
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in August
Monmouth, OR
- Average humidity in August: 68%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in August
Monmouth, OR
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in August
Monmouth, OR
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4 days).
Average snowfall in August
Monmouth, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Monmouth, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.8 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
Monmouth, 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: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in August
Monmouth, OR
- Average sunshine days in August: 24.2 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in August
Monmouth, OR
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Monmouth, OR
- Average cloud cover in August: 23
The months with the most cloud cover are February and March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Monmouth, OR
- Average visibility in August: 6mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Monmouth, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
