Frost Dates for Aveiro, Aveiro, Portugal

Coordinates: 40.633, -8.650

Growing Season

The last spring air frost in Aveiro, Aveiro, Portugal typically occurs around Feb 24, and the first autumn air frost around Dec 12. This gives a frost-free growing season of approximately 292 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9b, where the average annual extreme minimum temperature is -3.9 to -1.1°C (25 to 30°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 8°C (46°F). The warmest month is August, with an average high of 26°C (79°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Feb 24 (last spring) to Dec 12 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 9b

... 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 Feb 24 to Dec 12, which provides approximately 290 frost free days.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostDec 12Feb 24
Light Ground FrostUnlikelyUnlikely
Hard Ground FrostUnlikelyUnlikely

Frost Dates for Aveiro, Aveiro, Portugal | FrostDates.com