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 sea temperature 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
The temperatures in Astoria reach their highest averages in August, with highs of 67.6°F (19.8°C) and lows of 53.1°F (11.7°C).Humidity
In August, the average relative humidity is 83%.Rainfall
In Astoria, in August, it is raining for 7.2 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Astoria, there are 192.7 rainfall days, and 40.12" (1019mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Astoria.Ocean temperature
In Astoria, the average seawater temperature in August is 56.3°F (13.5°C).Note: You can swim in 56.3°F (13.5°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
In August, the average length of the day in Astoria is 14h and 6min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:55 pm PDT.
Sunshine
The month with the most sunshine in Astoria, Oregon, is August, with an average of 9.9h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the hottest time of year in Astoria?
What are the temperatures in Astoria in August?
What is the average humidity in August in Astoria?
How much does it rain in Astoria in August?
When it does not snow in Astoria?
What is the ocean temperature in August in Astoria?
How many hours of daylight does Astoria have in August?
When are sunrise and sunset in August in Astoria?
What month has the most sunshine in Astoria?
How many hours of sunshine does Astoria have in August?
How high is the UV index in August in Astoria?
Average temperature in August
Astoria, OR
- Average high temperature in August: 67.6°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in August: 53.1°F
The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in August
Astoria, OR
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in August
Astoria, OR
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Astoria, OR
- Average humidity in August: 83%
The months with the highest relative humidity are January, February, March, November and December (84%).
The month with the lowest relative humidity is May (81%).
Average rainfall in August
Astoria, OR
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is December (6.42").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in August
Astoria, OR
- Average rainfall days in August: 7.2 days
The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in August
Astoria, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Astoria, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in August
Astoria, OR
- Average sea temperature in August: 56.3°F
The best month for swimming (with the highest average sea temperature) is July (56.9°F).
The coldest month (with the lowest average sea temperature) is February (47.7°F).
Average daylight in August /
Average sunshine in August
Astoria, OR
- Average daylight in August: 14h and 1min
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: 9h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in August
Astoria, OR
- Average sunshine days in August: 20.1 days
The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in August
Astoria, OR
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Astoria, OR
- Average cloud cover in August: 36
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
Astoria, OR
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Astoria, Oregon, USA
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