August weather forecastHarbor, OR
August
Weather in August
The last month of the summer, August, is also an agreeable month in Harbor, Oregon, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 54.9°F (12.7°C).Temperature
Harbor witnesses its highest temperatures in July and August, reaching an average of 68.5°F (20.3°C).Humidity
In August, the average relative humidity is 77%.Rainfall
In Harbor, during August, the rain falls for 2.7 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Harbor, there are 130.9 rainfall days, and 47.09" (1196mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Harbor.Ocean temperature
In August, the average ocean temperature is 53.1°F (11.7°C).Note: Danger awaits those who swim in 53.1°F (11.7°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
In Harbor, the average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 6:11 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:51 pm PDT.
Sunshine
The average sunshine in August is 11.7h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harbor, OR
- Average high temperature in August: 68.5°F
The warmest months (with the highest average high temperature) are July and August (68.5°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in August: 54.9°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in August
Harbor, OR
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in August
Harbor, OR
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is June (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in August
Harbor, OR
- Average humidity in August: 77%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and September (76%).
Average rainfall in August
Harbor, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (8.11").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in August
Harbor, OR
- Average rainfall days in August: 2.7 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is July (2.2 days).
Average snowfall in August
Harbor, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Harbor, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in August
Harbor, OR
- Average sea temperature in August: 52.9°F
The best month for swimming (with the highest average sea temperature) is July (53.5°F).
The coldest months (with the lowest average sea temperature) are January, February and April (50.8°F).
Average daylight in August /
Average sunshine in August
Harbor, OR
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Harbor, OR
- Average sunshine days in August: 27 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (11 days).
Average UV index in August
Harbor, OR
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in August
Harbor, OR
- Average cloud cover in August: 10
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in August
Harbor, OR
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





