Frost Dates for INVERCARGILL AIRPOR, New Zealand

Elevation: 1 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. September 14
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. May 27
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost September 26
First Fall Frost May 17

Hard Freeze (−2°C)

Last Spring Hard Freeze August 7
First Fall Hard Freeze June 12
-46.42°N, 168.33°W © OpenStreetMap

Growing Season

255 Days September 14 to May 27

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 9b

Avg. annual minimum: −4 to −1°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

0° 5° 10° 15° 20°
14°
High: 18°C
Avg: 14°C
Low: 11°C
Jan
14°
High: 18°C
Avg: 14°C
Low: 11°C
Feb
13°
High: 16°C
Avg: 13°C
Low: 10°C
Mar
11°
High: 14°C
Avg: 11°C
Low: 8°C
Apr
9°
High: 12°C
Avg: 9°C
Low: 6°C
May
6°
High: 9°C
Avg: 6°C
Low: 4°C
Jun
6°
High: 9°C
Avg: 6°C
Low: 3°C
Jul
7°
High: 10°C
Avg: 7°C
Low: 4°C
Aug
8°
High: 12°C
Avg: 8°C
Low: 5°C
Sep
10°
High: 13°C
Avg: 10°C
Low: 7°C
Oct
11°
High: 15°C
Avg: 11°C
Low: 8°C
Nov
13°
High: 17°C
Avg: 13°C
Low: 10°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
109 mm
109.2 mm
Jan
81 mm
81.3 mm
Feb
84 mm
83.8 mm
Mar
79 mm
78.7 mm
Apr
86 mm
86.4 mm
May
79 mm
78.7 mm
Jun
76 mm
76.2 mm
Jul
79 mm
78.7 mm
Aug
76 mm
76.2 mm
Sep
107 mm
106.7 mm
Oct
91 mm
91.4 mm
Nov
97 mm
96.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec15h14h12.5h10.5h9h8.5h8.5h10h11.5h13.5h15h15.5h
Jan: 4:23 AM – 7:37 PM · 15h 13m
Feb: 5:03 AM – 6:57 PM · 13h 55m
Mar: 5:48 AM – 6:12 PM · 12h 24m
Apr: 6:40 AM – 5:20 PM · 10h 40m
May: 7:24 AM – 4:36 PM · 9h 12m
Jun: 7:48 AM – 4:12 PM · 8h 25m
Jul: 7:38 AM – 4:22 PM · 8h 44m
Aug: 6:60 AM – 5:00 PM · 10h 01m
Sep: 6:09 AM – 5:51 PM · 11h 41m
Oct: 5:19 AM – 6:41 PM · 13h 22m
Nov: 4:34 AM – 7:26 PM · 14h 51m
Dec: 4:12 AM – 7:48 PM · 15h 36m
Daylight Longest: 15h 37m · Shortest: 8h 23m

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