Winter Dec – Feb
The coldest season, with highs of 37–40°F (3–4°C) and lows down to 30°F (-1°C). About 7.2 in (184 mm) of rain falls across these months, 23% of the year's total. Nights dip below freezing in January & February. Comfort scores bottom out in December – February; the season averages 40/100.
Spring Mar – May
Temperatures climb through the season, from 42°F highs in March to 60°F by May. It's the driest season, with only about 5.7 in (146 mm) of rain, 18% of the year's total. Lows bottom out around 32°F (0°C). May is among the best-scoring months (season average 65/100).
Summer Jun – Aug
The warmest stretch of the year, with highs of 66–70°F (19–21°C). It's the wettest season, with about 9.5 in (241 mm) of rain, 30% of the year's total. Lows bottom out around 52°F (11°C). Comfort peaks here: June – August rank with the year's best, and the season averages 84/100.
Autumn Sep – Nov
Temperatures slide from 63°F highs in September to 46°F by November. About 8.9 in (227 mm) of rain falls across these months, 28% of the year's total. Lows bottom out around 39°F (4°C). September is among the best-scoring months (season average 65/100).