Winter Dec – Feb
The coldest season, with highs of 37–40°F (3–4°C) and lows down to 31°F (-1°C). About 6.8 in (172 mm) of rain falls across these months, 25% of the year's total. Nights dip below freezing in January & February. It holds the toughest stretch on our comfort score (December – February), averaging 40/100.
Spring Mar – May
Temperatures climb through the season, from 41°F highs in March to 59°F by May. It's the driest season, with only about 4.8 in (123 mm) of rain, 18% of the year's total. Lows bottom out around 33°F (0°C). Comfort peaks here: May ranks with the year's best, and the season averages 64/100.
Summer Jun – Aug
Peak warmth: highs of 65–70°F (18–21°C). It's the wettest season, with about 8.5 in (216 mm) of rain, 31% of the year's total. Lows bottom out around 54°F (12°C). June – August are among the best-scoring months (season average 85/100).
Autumn Sep – Nov
Temperatures slide from 63°F highs in September to 46°F by November. About 7.3 in (186 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 40°F (5°C). Comfort peaks here: September ranks with the year's best, and the season averages 67/100.