Frost Dates for CHATHAM ISLANDS AWS, New Zealand

Elevation: 50 m

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

-43.95°N, -176.57°W © OpenStreetMap

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 11a

Avg. annual minimum: 4 to 7°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

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

Precipitation

0 mm 30 mm 60 mm 90 mm
64 mm
63.5 mm
Jan
66 mm
66.0 mm
Feb
76 mm
76.2 mm
Mar
74 mm
73.7 mm
Apr
89 mm
88.9 mm
May
84 mm
83.8 mm
Jun
81 mm
81.3 mm
Jul
84 mm
83.8 mm
Aug
76 mm
76.2 mm
Sep
76 mm
76.2 mm
Oct
69 mm
68.6 mm
Nov
79 mm
78.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec15h14h12.5h11h9.5h8.5h9h10h11.5h13.5h14.5h15.5h
Jan: 4:32 AM – 7:28 PM · 14h 56m
Feb: 5:07 AM – 6:53 PM · 13h 45m
Mar: 5:49 AM – 6:11 PM · 12h 22m
Apr: 6:37 AM – 5:23 PM · 10h 46m
May: 7:17 AM – 4:43 PM · 9h 27m
Jun: 7:38 AM – 4:22 PM · 8h 44m
Jul: 7:29 AM – 4:31 PM · 9h 01m
Aug: 6:55 AM – 5:05 PM · 10h 11m
Sep: 6:09 AM – 5:51 PM · 11h 43m
Oct: 5:22 AM – 6:38 PM · 13h 15m
Nov: 4:42 AM – 7:18 PM · 14h 36m
Dec: 4:22 AM – 7:38 PM · 15h 17m
Daylight Longest: 15h 18m · Shortest: 8h 42m

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