Winter Dec – Feb
The cold peaks here: highs of 34–38°F (1–3°C), and nights reach 17°F (-8°C). It's the driest season, with only about 7.9 in (200 mm) of rain or snow, 19% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December – February; the season averages 46/100.
Spring Mar – May
Temperatures climb through the season, from 47°F highs in March to 68°F by May. About 11.1 in (281 mm) of rain or snow falls across these months, 27% of the year's total. March is cold enough for snow. May is among the best-scoring months (season average 71/100).
Summer Jun – Aug
The warmest stretch of the year, with highs of 77–82°F (25–28°C). It's the wettest season, with about 12.0 in (305 mm) of rain, 29% of the year's total. Lows bottom out around 56°F (13°C). Comfort peaks here: June – August rank with the year's best, and the season averages 82/100.
Autumn Sep – Nov
Temperatures slide from 74°F highs in September to 49°F by November. About 10.4 in (265 mm) of rain falls across these months, 25% of the year's total. Nights dip below freezing in November. September & October are among the best-scoring months (season average 76/100).