Winter Dec – Feb
The cold peaks here: highs of 37–41°F (3–5°C), and nights reach 25°F (-4°C). It's the driest season, with only about 4.8 in (122 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 44/100.
Spring Mar – May
Temperatures climb through the season, from 50°F highs in March to 70°F by May. About 6.8 in (172 mm) of rain falls across these months, 23% of the year's total. Lows bottom out around 33°F (1°C). April & May are among the best-scoring months (season average 78/100).
Summer Jun – Aug
The warmest stretch of the year, with highs of 78–82°F (25–28°C). It's the wettest season, with about 10.4 in (265 mm) of rain, 36% of the year's total. Lows bottom out around 58°F (15°C). Comfort peaks here: June – August rank with the year's best, and the season averages 83/100.
Autumn Sep – Nov
Temperatures slide from 71°F highs in September to 49°F by November. About 7.0 in (178 mm) of rain falls across these months, 24% of the year's total. Lows bottom out around 36°F (2°C). September is among the best-scoring months (season average 74/100).