This should keep the fish for several weeks. The second method is preparing a solution of salt and water or vinegar (or even wine) and using it to cover the fish. This brine should be at least Â½ cup of salt to the gallon of water; one cup per gallon would be better. You can even use more, depending on your recipe.
Most / Least Educated Cities in NC. The average temperature of Cary is 59.71Â°F, which is higher than the North Carolina average temperature of 58.70Â°F and is much higher than the national average temperature of 54.45Â°F.
North Carolina has milder winters and moderate and humid summers.  The average April temperature in North Carolina varies between the  lowest 49 degrees Fahrenheit at Blowin â¦ g Rock to the highest of 63  degrees at Wilmington.State capital Raleigh has an average  temperature of 59 degrees Fahrenheit.he average temperature in April is anywhere from 55 to 65 degrees. Nice and mild weather. Unfortunately the ocean dosent warm up until June. Here is a link to all the monthly â¦ average temperatures.