Frost Dates for Bologna, Emilia-Romagna, Italy

Coordinates: 44.483, 11.333

Growing Season

The last spring air frost in Bologna, Emilia-Romagna, Italy typically occurs around Apr 23, and the first autumn air frost around Oct 16. This gives a frost-free growing season of approximately 176 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 January, with an average low of 2°C (36°F). The warmest month is July, with an average high of 32°C (90°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 23 (last spring) to Oct 16 (first autumn). Light ground frost (-1°C / 30°F): Apr 8 (last spring) to Oct 30 (first autumn). Hard ground frost (-2°C / 28°F): Mar 2 (last spring) to Nov 20 (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: Air Frost possible

for today based on past data only.

We predict a frost free growing season at your location from Apr 23 to Oct 16, which provides approximately 175 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 Apr 8 to Oct 30, which provides a total of 205 days for growing.

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