Close the supply water valve to the water heater. located, in most cases, above the water heater on. the cold water inlet to the hot water heater. 2. Drain the water from the hot water pipe by opening. a hot water faucet in the house. Let the water run. until it stops flowing.
The annual average precipitation at Seattle is 38.25 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 6.06 Inches. We usually only get 1-3 days of snowfall a year.
Seattle: Annual Weather Averages. July is the hottest month in Seattle with an average temperature of 18Â°C (64Â°F) and the coldest is January at 5Â°C (41Â°F) with the most daily sunshine hours at 10 in July.The wettest month is December with an average of 150mm of rain.The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).uly is the hottest month in Seattle with an average temperature of 18Â°C (64Â°F) and the coldest is January at 5Â°C (41Â°F) with the most daily sunshine hours at 10 in July.