Frost Dates for Rijeka, Primorsko-Goranska, Croatia

Coordinates: 45.343, 14.409

Growing Season

The last spring air frost in Rijeka, Primorsko-Goranska, Croatia typically occurs around Apr 21, and the first autumn air frost around Oct 8. This gives a frost-free growing season of approximately 170 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 7b, where the average annual extreme minimum temperature is -15 to -12.2°C (5 to 10°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 0°C (32°F). The warmest month is August, with an average high of 27°C (81°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 21 (last spring) to Oct 8 (first autumn). Light ground frost (-1°C / 30°F): Apr 5 (last spring) to Oct 23 (first autumn). Hard ground frost (-2°C / 28°F): Mar 14 (last spring) to Nov 12 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 7b

... 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 Apr 21 to Oct 8, which provides approximately 169 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 5 to Oct 23, which provides a total of 201 days for growing.

Jan

Feb

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