Frost Dates for Rotorua, New Zealand

Coordinates: -38.138, 176.251

Growing Season

The last spring air frost in Rotorua, New Zealand typically occurs around Oct 27, and the first autumn air frost around Apr 26. This gives a frost-free growing season of approximately -184 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9a, where the average annual extreme minimum temperature is -6.7 to -3.9°C (20 to 25°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is July, with an average low of 5°C (41°F). The warmest month is January, with an average high of 23°C (73°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Oct 27 (last spring) to Apr 26 (first autumn). Light ground frost (-1°C / 30°F): Sep 14 (last spring) to Jun 10 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 9a

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

Current Risk Level: Light Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from Oct 27 to Apr 26, which provides approximately 180 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 Sep 14 to Jun 10, which provides a total of 269 days for growing.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec