Frost Dates for Centurion, Gauteng, South Africa

Coordinates: -25.874, 28.171

Growing Season

The last spring air frost in Centurion, Gauteng, South Africa typically occurs around Aug 7, and the first autumn air frost around May 13. This gives a frost-free growing season of approximately -86 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 7°C (45°F). The warmest month is January, with an average high of 28°C (82°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Aug 7 (last spring) to May 13 (first autumn). Light ground frost (-1°C / 30°F): Jul 16 (last spring) to May 31 (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 Aug 7 to May 13, which provides approximately 278 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 Jul 16 to May 31, which provides a total of 319 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostMay 13Aug 7
Light Ground FrostMay 31Jul 16
Hard Ground FrostUnlikelyUnlikely