Cannon Beach, Oregon weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Poor
Best time to visit: July – August
What is the weather like in Cannon Beach, Oregon in August?
In August, Cannon Beach, Oregon is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 15.1 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 21 mm in total. All in all, August is not an ideal month for a holiday in Cannon Beach, Oregon.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 38 | 35 | 27 |
| Day | 18° | 19° | 18° |
| Night | 13° | 14° | 13° |
| Sea | 15° | 15° | 15° |
| Sun | 9 h | 8 h | 7 h |
| Rain days | 3 | 4 | 7 |
More details for August
- Daylight
- 14 h 12 min06:15 – 20:27
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 35 %2 %
- Seaweight 25 %0 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 20 %98 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Cannon Beach, Oregon in August: quick answers
Is Cannon Beach, Oregon hot in August?
No. In August, Cannon Beach, Oregon is mild: daytime highs average 19 °C and nights drop to about 14 °C.
Can you swim in Cannon Beach, Oregon in August?
Only if you don't mind cold water: in August the sea averages just 15.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Cannon Beach, Oregon in August?
Rain is rare: about 4 days bring 21 mm in total.
Cannon Beach, Oregon month by month
The whole year in Cannon Beach, OregonAll destinations: USAWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences