Winter Dec – Feb
The cold peaks here: highs of 33–37°F (1–3°C), and nights reach 21°F (-6°C). It's the driest season, with only about 5.1 in (130 mm) of rain or snow, 17% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December – February; the season averages 43/100.
Spring Mar – May
Temperatures climb through the season, from 46°F highs in March to 67°F by May. About 7.9 in (200 mm) of rain falls across these months, 25% of the year's total. Nights dip below freezing in March. May is among the best-scoring months (season average 71/100).
Summer Jun – Aug
The warmest stretch of the year, with highs of 74–79°F (23–26°C). It's the wettest season, with about 10.9 in (278 mm) of rain, 35% of the year's total. Lows bottom out around 56°F (13°C). Comfort peaks here: July & August rank with the year's best, and the season averages 82/100.
Autumn Sep – Nov
Temperatures slide from 69°F highs in September to 47°F by November. About 7.0 in (178 mm) of rain falls across these months, 23% of the year's total. Lows bottom out around 33°F (1°C). September is among the best-scoring months (season average 71/100).