Frost Dates for Osaka-Shi, Osaka, Japan

Coordinates: 34.694, 135.502

Growing Season

The last spring air frost in Osaka-Shi, Osaka, Japan typically occurs around Mar 27, and the first autumn air frost around Nov 12. This gives a frost-free growing season of approximately 230 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8b, where the average annual extreme minimum temperature is -9.4 to -6.7°C (15 to 20°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 August, with an average high of 32°C (90°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Mar 27 (last spring) to Nov 12 (first autumn). Light ground frost (-1°C / 30°F): Mar 11 (last spring) to Nov 24 (first autumn). Hard ground frost (-2°C / 28°F): Jan 30 (last spring) to Jan 4 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 8b

... 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 Mar 27 to Nov 12, which provides approximately 229 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 Mar 11 to Nov 24, which provides a total of 258 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Hard Ground Frost possible
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostNov 12Mar 27
Light Ground FrostNov 24Mar 11
Hard Ground FrostJan 4Jan 30

Frost Dates for Osaka-Shi, Osaka, Japan | FrostDates.com