Puerto Natales is in the Southern Hemisphere, so the seasons run opposite to North America and Europe.
Summer Dec – Feb
The warmest stretch of the year, with highs of 55–57°F (13–14°C). It's the wettest season, with about 12.8 in (325 mm) of rain, 28% of the year's total. Lows bottom out around 42°F (6°C). Comfort peaks here: December – February rank with the year's best, and the season averages 61/100.
Autumn Mar – May
Temperatures slide from 54°F highs in March to 44°F by May. About 12.5 in (317 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 35°F (2°C). March & April score well without being the very best (season average 50/100).
Winter Jun – Aug
The coldest season, with highs of 39–41°F (4–5°C) and lows down to 31°F (-1°C). About 10.7 in (272 mm) of rain falls across these months, 23% of the year's total. Nights dip below freezing in July. Comfort scores bottom out in June – August; the season averages 39/100.
Spring Sep – Nov
Temperatures climb through the season, from 46°F highs in September to 52°F by November. It's the driest season, with only about 10.0 in (254 mm) of rain, 22% of the year's total. Lows bottom out around 35°F (2°C). October & November score well without being the very best (season average 53/100).