Torres del Paine is in the Southern Hemisphere, so the seasons run opposite to North America and Europe.
Summer Dec – Feb
Peak warmth: highs of 36–38°F (2–3°C). It's the wettest season, with about 18.8 in (478 mm) of rain or snow, 27% of the year's total. December – February are cold enough for snow. February is among the best-scoring months (season average 30/100).
Autumn Mar – May
Temperatures slide from 35°F highs in March to 27°F by May. About 18.4 in (468 mm) of rain or snow falls across these months, 27% of the year's total. March – May are cold enough for snow. Comfort peaks here: May ranks with the year's best, and the season averages 32/100.
Winter Jun – Aug
The coldest season, with highs of 22–24°F (-5–-4°C) and lows down to 15°F (-9°C). About 16.5 in (419 mm) of rain or snow falls across these months, 24% of the year's total. June – August are cold enough for snow. July & August are among the best-scoring months (season average 34/100).
Spring Sep – Nov
Temperatures climb through the season, from 28°F highs in September to 33°F by November. It's the driest season, with only about 15.7 in (400 mm) of rain or snow, 23% of the year's total. September – November are cold enough for snow. Comfort peaks here: September & October rank with the year's best, and the season averages 34/100.