Frost Dates for Antsiranana, Madagascar

Elevation: 105 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.

-12.35°N, 49.30°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 12b

Avg. annual minimum: 13 to 16°C

Learn more

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

Aw Tropical Savanna (Dry Winter)

Hot year-round with distinct wet and dry seasons. The dry winter allows for seasonal planting. Drought-tolerant crops do well in the dry season; the wet season supports lush growth.

Köppen climate map

Temperature

15° 20° 25° 30° 35°
27°
High: 32°C
Avg: 27°C
Low: 23°C
Jan
27°
High: 31°C
Avg: 27°C
Low: 23°C
Feb
27°
High: 32°C
Avg: 27°C
Low: 23°C
Mar
27°
High: 32°C
Avg: 27°C
Low: 22°C
Apr
27°
High: 31°C
Avg: 27°C
Low: 22°C
May
25°
High: 30°C
Avg: 25°C
Low: 20°C
Jun
25°
High: 30°C
Avg: 25°C
Low: 19°C
Jul
25°
High: 30°C
Avg: 25°C
Low: 19°C
Aug
25°
High: 30°C
Avg: 25°C
Low: 20°C
Sep
26°
High: 32°C
Avg: 26°C
Low: 21°C
Oct
27°
High: 33°C
Avg: 27°C
Low: 22°C
Nov
28°
High: 33°C
Avg: 28°C
Low: 23°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 100 mm 200 mm 300 mm
302 mm
302.3 mm
Jan
249 mm
248.9 mm
Feb
305 mm
304.8 mm
Mar
117 mm
116.8 mm
Apr
43 mm
43.2 mm
May
33 mm
33.0 mm
Jun
23 mm
22.9 mm
Jul
25 mm
25.4 mm
Aug
20 mm
20.3 mm
Sep
20 mm
20.3 mm
Oct
69 mm
68.6 mm
Nov
229 mm
228.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec12.5h12.5h12h11.5h11.5h11.5h11.5h11.5h12h12.5h12.5h12.5h
Jan: 5:40 AM – 6:20 PM · 12h 39m
Feb: 5:48 AM – 6:12 PM · 12h 24m
Mar: 5:58 AM – 6:02 PM · 12h 05m
Apr: 6:08 AM – 5:52 PM · 11h 43m
May: 6:17 AM – 5:43 PM · 11h 26m
Jun: 6:22 AM – 5:38 PM · 11h 17m
Jul: 6:20 AM – 5:40 PM · 11h 20m
Aug: 6:12 AM – 5:48 PM · 11h 35m
Sep: 6:02 AM – 5:58 PM · 11h 56m
Oct: 5:52 AM – 6:08 PM · 12h 17m
Nov: 5:43 AM – 6:17 PM · 12h 35m
Dec: 5:38 AM – 6:22 PM · 12h 43m
Daylight Longest: 12h 44m · Shortest: 11h 16m

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