Frost Dates for Vasteras, Vastmanlands Lan, Sweden

Coordinates: 59.617, 16.550

Growing Season

The last spring air frost in Vasteras, Vastmanlands Lan, Sweden typically occurs around May 21, and the first autumn air frost around Sep 9. This gives a frost-free growing season of approximately 111 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 6b, where the average annual extreme minimum temperature is -20.6 to -17.8°C (-5 to 0°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is January, with an average low of -5°C (23°F). The warmest month is July, with an average high of 22°C (72°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 21 (last spring) to Sep 9 (first autumn). Light ground frost (-1°C / 30°F): May 9 (last spring) to Sep 22 (first autumn). Hard ground frost (-2°C / 28°F): Apr 20 (last spring) to Oct 19 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 6b

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

Current Risk Level: Hard Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 21 to Sep 9, which provides approximately 110 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 May 9 to Sep 22, which provides a total of 136 days for growing.

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