Frost Dates for Pietermaritzburg, KwaZulu-Natal, South Africa

Coordinates: -29.617, 30.383

Growing Season

The last spring air frost in Pietermaritzburg, KwaZulu-Natal, South Africa typically occurs around Aug 2, and the first autumn air frost around May 22. This gives a frost-free growing season of approximately -72 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 February, with an average high of 26°C (79°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Aug 2 (last spring) to May 22 (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: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Aug 2 to May 22, which provides approximately 292 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 FrostMay 22Aug 2
Light Ground FrostUnlikelyUnlikely
Hard Ground FrostUnlikelyUnlikely

Frost Dates for Pietermaritzburg, KwaZulu-Natal, South Africa | FrostDates.com