Cannon Beach Weather in March

The climate in Cannon Beach during March can be summarized as cool and very wet.

March is in the spring in Cannon Beach and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 2°C (36°F) is normal.

On average March is the 5th wettest month of the year in Cannon Beach with around 226mm 8.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cannon Beach in March 2025.