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Frost Dates for Santiago, Region Metropolitana, Chile

Coordinates: -33.450, -70.667

Growing Season

The last spring air frost in Santiago, Region Metropolitana, Chile typically occurs around Oct 20, and the first autumn air frost around Apr 15. This gives a frost-free growing season of approximately -188 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8a, where the average annual extreme minimum temperature is -12.2 to -9.4°C (10 to 15°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is July, with an average low of 4°C (39°F). The warmest month is January, with an average high of 25°C (77°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Oct 20 (last spring) to Apr 15 (first autumn). Light ground frost (-1°C / 30°F): Sep 29 (last spring) to Apr 30 (first autumn). Hard ground frost (-2°C / 28°F): Aug 20 (last spring) to May 26 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 8a

... and the frost data for your area is ...

Current Risk Level: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Oct 20 to Apr 15, which provides approximately 176 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Sep 29 to Apr 30, which provides a total of 213 days for growing.

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