Cannon Beach, OR weather in August
In August, Cannon Beach sees highs around 69°F and lows around 54°F: mild, with some rain. Expect about 6 wet days. It is one of the warmest months in Cannon Beach. Great for outdoor plans.
- Normal high
- 69°F
- Normal low
- 54°F
- Wet days
- 6
- 1.7 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 68°F | 69°F |
| Normal low | 55°F | 53°F |
| Chance of a wet day | 17% | 24% |
| Sunrise / sunset | 5:58 am / 8:45 pm | 6:35 am / 7:56 pm |
| Daylight | 14.8 h | 13.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical August day
- 6 am56°Fdew point 54°F
- 9 am62°Fdew point 56°F
- Noon67°Fdew point 56°F
- 3 pm67°Fdew point 56°F
- 6 pm64°Fdew point 56°F
- 9 pm59°Fdew point 55°F
NOAA hourly normals (local standard time) from Astoria Rgnl Airport (19 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F25 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph1 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 1.7 in; a dry August brings about 0.5 in and a wet one about 2.1 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202015: average high 73°F
- Coolest August1991: average high 66°F
- Wettest August2004: 8.3 in
- Driest August2003: 0.1 in
- Highest reading98°F (August 19, 2016)
- Lowest reading42°F (August 26, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 67°F | 69°F | 68°F |
| Normal low | 54°F | 54°F | 51°F |
| Wet days | 6 | 6 | 9 |
| Comfortable days | 23 | 25 | 19 |
| Daylight | 15.3 h | 14.1 h | 12.5 h |
Highs change by +2°F from July and -1°F into September.
Nearby alternatives in August
- Warmer: Hillsboro, OR53 mi · high 82°F · 3 wet days
- Drier: Hillsboro, OR53 mi · high 82°F · 3 wet days
How Cannon Beach ranks in August
- Normal high368th warmest of 378 cities; 6th of 6 in Oregon
- Wet days128th driest of 378
- Comfortable days8th most of 341
Heating and cooling
August has 122 heating degree days and 7 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How cold is Cannon Beach in August?
The normal high is 69°F and the normal low is 54°F. From 1991 to 2020 the coldest August reading was 42°F (August 26, 1991).
Does it rain a lot in Cannon Beach in August?
About 6 days in August have at least 0.01 in of precipitation, and the normal total is 1.7 in. The wettest August in 1991-2020 was in 2004 (8.3 in); the driest was in 2003 (0.1 in).
Is August a good time to visit Cannon Beach?
August ranks 2nd of 12 months on our comfort score for Cannon Beach (86 out of 100). It has about 25 comfortable days. The best months are July and August.
Where the numbers come from
- Temperature and humidity and wind by hour: Astoria Rgnl Airport (USW00094224), 19 mi NNE of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
- Rain and snowfall: Nehalem 9 Ne (USC00355971), 11 mi ESE of the city center, 140 ft (103 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth and frost dates: Seaside (USC00357641), 6.8 mi NNE of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Astoria Regional Airport (727910-94224), 19 mi NNE of the city center, 11 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).