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
Harrisburg's warmest month, August, generally records average temperatures ranging from a high of 81.1°F (27.3°C) to a low of 51.1°F (10.6°C).Heat index
The average heat index in August is evaluated at 84.2°F (29°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', quantifies the warmth felt when relative humidity is considered. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
With an average relative humidity of 68%, August is the least humid month.Rainfall
In Harrisburg, during August, the rain falls for 3.6 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Harrisburg, during the entire year, the rain falls for 161.8 days and collects up to 28.82" (732mm) of precipitation.Snowfall
In Harrisburg, snow does not fall in April through October.Daylight
In Harrisburg, Oregon, 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 8:36 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:49 pm PDT.
Sunshine
With an average of 11.1h of sunshine, August has the most sunshine of the year in Harrisburg.UV index
In Harrisburg, Oregon, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the warmest month in Harrisburg?
What are August temperatures in Harrisburg?
What is the least humid month in Harrisburg?
What is the average humidity in August in Harrisburg?
How much does it rain in Harrisburg in August?
When it does not snow in Harrisburg?
What is the average length of the day in August in Harrisburg?
When is the sunrise / sunset in August in Harrisburg?
What month has the most sunshine in Harrisburg?
How many hours of sunshine does Harrisburg have in August?
What is the UV index intensity in August in Harrisburg?
Average temperature in August
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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).
Harrisburg, Oregon, USA
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