Meaning & History. From an English surname which meant unfortunate in Norman French. It first became common in the 1980s due to the television comedy 'Family Ties', which featured a character by this name. Popularity.
In most years, Seattle averages a daily maximum temperature for December that's between 45 and 49 degrees Fahrenheit (7 to 9 degrees Celsius). The minimum temperature usually falls between 34 and 38 Â°F (1 to 3 Â°C). December is the coldest month overall for Seattle and the 20th and 21st are its chilliest days. They have daily highs averaging 46.2 Â°F (7.9 Â°C) and lows of 35.6 Â°F (2.0 Â°C). Nearly every December day warms to over 40 Â°F (4 Â°C) in Seattle. Temperatures above 60 Â°F (16 Â°C) are not expected here this month.
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.