Cannon Beach, OR weather in May
Cannon Beach is cool in May, with frequent rain: highs average 61°F and nights drop to about 46°F. Expect about 14 wet days.
- Normal high
- 61°F
- Normal low
- 46°F
- Wet days
- 14
- 5.1 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 58°F | 62°F |
| Normal low | 44°F | 49°F |
| Chance of a wet day | 52% | 44% |
| Sunrise / sunset | 6:02 am / 8:23 pm | 5:29 am / 8:57 pm |
| Daylight | 14.3 h | 15.5 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 May day
- 6 am49°Fdew point 46°F
- 9 am55°Fdew point 48°F
- Noon58°Fdew point 48°F
- 3 pm59°Fdew point 48°F
- 6 pm56°Fdew point 47°F
- 9 pm52°Fdew point 47°F
NOAA hourly normals (local standard time) from Astoria Rgnl Airport (19 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 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 snow14 of 31
- Notable rainat least 0.10 in10 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 5.1 in; a dry May brings about 2.6 in and a wet one about 6.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20201997: average high 65°F
- Coolest May1991: average high 56°F
- Wettest May2009: 9.3 in
- Driest May1992: 0.8 in
- Highest reading93°F (May 16, 2008)
- Lowest reading32°F (May 1, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 56°F | 61°F | 64°F |
| Normal low | 42°F | 46°F | 51°F |
| Wet days | 19 | 14 | 12 |
| Comfortable days | 2 | 5 | 11 |
| Daylight | 13.6 h | 15.0 h | 15.7 h |
Highs change by +5°F from April and +3°F into June.
Nearby alternatives in May
- Warmer: Hillsboro, OR53 mi · high 68°F · 12 wet days
- Drier: Tacoma, WA118 mi · high 67°F · 10 wet days
How Cannon Beach ranks in May
- Normal high357th warmest of 378 cities; 6th of 6 in Oregon
- Wet days358th driest of 378
- Comfortable days257th most of 339
What to pack for Cannon Beach in May
- A rain jacket or umbrella – rain on about 14 days
Heating and cooling
May has 361 heating degree days and 2 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How cold is Cannon Beach in May?
The normal high is 61°F and the normal low is 46°F. From 1991 to 2020 the coldest May reading was 32°F (May 1, 2013).
Does it rain a lot in Cannon Beach in May?
About 14 days in May have at least 0.01 in of precipitation, and the normal total is 5.1 in. The wettest May in 1991-2020 was in 2009 (9.3 in); the driest was in 1992 (0.8 in).
Is May a good time to visit Cannon Beach?
May ranks 5th of 12 months on our comfort score for Cannon Beach (58 out of 100). It has about 5 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).