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.
June through to September are the months when Seattle is most likely to have days with highs in the 80s and lows in the 60s. 1  Days per month in Seattle of at least 60, 70 or 80 Â°F. 2  Days per month on average in Seattle when the minimum temperature drops to 32 or 40 Â°F or below.