Winter Dec – Feb
The coldest season, with highs of 37–40°F (3–4°C) and lows down to 31°F (0°C). About 6.5 in (166 mm) of rain falls across these months, 24% of the year's total. Nights dip below freezing in January & February. Comfort scores bottom out in December – February; the season averages 42/100.
Spring Mar – May
Temperatures climb through the season, from 42°F highs in March to 59°F by May. It's the driest season, with only about 5.0 in (127 mm) of rain, 18% of the year's total. Lows bottom out around 33°F (1°C). May is among the best-scoring months (season average 65/100).
Summer Jun – Aug
Peak warmth: highs of 65–69°F (18–21°C). It's the wettest season, with about 8.7 in (220 mm) of rain, 31% of the year's total. Lows bottom out around 54°F (12°C). Comfort peaks here: June – August rank with the year's best, and the season averages 85/100.
Autumn Sep – Nov
Temperatures slide from 63°F highs in September to 46°F by November. About 7.4 in (188 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 41°F (5°C). September is among the best-scoring months (season average 68/100).