Winter Dec – Feb
The coldest season, with highs of 40–45°F (5–7°C) and lows down to 19°F (-7°C). About 2.4 in (60 mm) of rain or snow falls across these months, 18% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December & January; the season averages 58/100.
Spring Mar – May
Temperatures climb through the season, from 56°F highs in March to 75°F by May. It's the driest season, with only about 2.2 in (57 mm) of rain or snow, 17% of the year's total. March is cold enough for snow. April & May are among the best-scoring months (season average 91/100).
Summer Jun – Aug
Peak warmth: highs of 84–87°F (29–31°C). It's the wettest season, with about 5.2 in (131 mm) of rain, 39% of the year's total. Lows bottom out around 55°F (13°C). Comfort peaks here: August ranks with the year's best, and the season averages 81/100.
Autumn Sep – Nov
Temperatures slide from 77°F highs in September to 52°F by November. About 3.5 in (90 mm) of rain or snow falls across these months, 27% of the year's total. November is cold enough for snow. September & October are among the best-scoring months (season average 91/100).