August weather forecastDeer Island, OR
August
Weather in August
August, the last month of the summer in Deer Island, is also a moderately hot month, with an average temperature ranging between min 51.6°F (10.9°C) and max 79.3°F (26.3°C).Temperature
Deer Island's August weather, with an average high temperature of 79.3°F (26.3°C) and an average low temperature of 51.6°F (10.9°C), tends to be the warmest of the year.Humidity
July and August, with an average relative humidity of 70%, are the least humid months.Rainfall
In Deer Island, Oregon, during August, the rain falls for 5.6 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 180.2 rainfall days, and 36.77" (934mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:50 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.7h of sunshine.UV index
In Deer Island, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Deer Island, OR
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in August: 51.6°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in August
Deer Island, 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
Deer Island, OR
- Average wind speed in August: 4.1mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in August
Deer Island, OR
- Average humidity in August: 70%
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in August
Deer Island, OR
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is January (5.43").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Deer Island, OR
- Average rainfall days in August: 5.6 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is July (5.2 days).
Average snowfall in August
Deer Island, OR
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Deer Island, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.9 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
Deer Island, OR
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in August
Deer Island, OR
- Average sunshine days in August: 23.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in August
Deer Island, OR
- Average UV index in August: 4
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
Deer Island, OR
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Deer Island, OR
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
