Frost Dates for HUMACAO NATURAL RESERVE, Puerto Rico

Elevation: 1014 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.

18.15°N, -66.77°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.

Af Tropical Rainforest

Hot and wet year-round with no dry season. Ideal for tropical crops like bananas, mangoes, and cocoa. Gardening is possible all year, but high humidity can increase disease pressure.

Köppen climate map

Temperature

15° 20° 25° 30°
19°
High: 24°C
Avg: 19°C
Low: 16°C
Jan
19°
High: 24°C
Avg: 19°C
Low: 16°C
Feb
19°
High: 24°C
Avg: 19°C
Low: 16°C
Mar
20°
High: 24°C
Avg: 20°C
Low: 17°C
Apr
21°
High: 25°C
Avg: 21°C
Low: 18°C
May
22°
High: 26°C
Avg: 22°C
Low: 19°C
Jun
22°
High: 27°C
Avg: 22°C
Low: 19°C
Jul
22°
High: 26°C
Avg: 22°C
Low: 19°C
Aug
21°
High: 25°C
Avg: 21°C
Low: 19°C
Sep
21°
High: 25°C
Avg: 21°C
Low: 18°C
Oct
20°
High: 24°C
Avg: 20°C
Low: 17°C
Nov
19°
High: 23°C
Avg: 19°C
Low: 16°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
18 mm
17.8 mm
Jan
33 mm
33.0 mm
Feb
61 mm
61.0 mm
Mar
109 mm
109.2 mm
Apr
170 mm
170.2 mm
May
94 mm
94.0 mm
Jun
89 mm
88.9 mm
Jul
114 mm
114.3 mm
Aug
173 mm
172.7 mm
Sep
145 mm
144.8 mm
Oct
109 mm
109.2 mm
Nov
30 mm
30.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec11h11.5h12h12.5h13h13h13h12.5h12h11.5h11h11h
Jan: 6:29 AM – 5:31 PM · 11h 01m
Feb: 6:18 AM – 5:42 PM · 11h 24m
Mar: 6:04 AM – 5:56 PM · 11h 53m
Apr: 5:48 AM – 6:12 PM · 12h 25m
May: 5:34 AM – 6:26 PM · 12h 51m
Jun: 5:28 AM – 6:32 PM · 13h 05m
Jul: 5:30 AM – 6:30 PM · 12h 59m
Aug: 5:42 AM – 6:18 PM · 12h 37m
Sep: 5:57 AM – 6:03 PM · 12h 06m
Oct: 6:13 AM – 5:47 PM · 11h 35m
Nov: 6:26 AM – 5:34 PM · 11h 08m
Dec: 6:33 AM – 5:27 PM · 10h 55m
Daylight Longest: 13h 05m · Shortest: 10h 55m

Nearby Stations

ADJUNTAS SUBSTN, Puerto Rico GARZAS, Puerto Rico UTUADO, Puerto Rico LARES, Puerto Rico JAYUYA, Puerto Rico CERRO MARAVILLA, Puerto Rico

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