Current sea water temperature:
+52.9°F
| Minimum sea water temperature in December: | 53.2°F |
| Maximum sea water temperature in December: | 47.7°F |
| Average sea water temperature in December: | 50.7°F |
| more information | |
14 days
forecast
forecast
| Cannon Beach |
monthly
weather
weather
| Cannon Beach |
Sea water temperature for the last 10 days:
| December 24 | 52.9°F | December 19 | 52.7°F |
| December 23 | 52.9°F | December 18 | 52.9°F |
| December 22 | 52.7°F | December 17 | 52.0°F |
| December 21 | 53.1°F | December 16 | 52.0°F |
| December 20 | 53.2°F | December 15 | 50.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Cannon Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cannon Beach was noticed in August, July and September.
Monthly Sea Temperatures in Cannon Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 57.2°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 52.8°F. The highest and lowest sea temperatures during the month were 55.2°F and 49.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.5°F and 49.8°F.
current
weather
weather
| Cannon Beach |
weather in
December
December
| Cannon Beach |
Best time for vacation in Cannon Beach
Cannon Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cannon Beach
Local time: 05:50
December 24, wednesday
0600
46°F
SW
11 mph
11 mph
0900
50°F
W
12 mph
12 mph
1200
48°F
W
14 mph
14 mph
1500
48°F
NE
30 mph
30 mph
1800
48°F
NE
11 mph
11 mph
2100
48°F
W
5 mph
5 mph
December 25, thursday
0000
46°F
W
8 mph
8 mph
0300
45°F
W
9 mph
9 mph
