Frost Dates for Hilo, HI

Based on data from Hilo Intl AP weather station, 3 miles away

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.

19.73°N, -155.09°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: 55 to 60°F (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

60° 70° 80° 90°
71°
High: 79°F
Avg: 71°F
Low: 64°F
Jan
71°
High: 78°F
Avg: 71°F
Low: 64°F
Feb
72°
High: 79°F
Avg: 72°F
Low: 65°F
Mar
73°
High: 79°F
Avg: 73°F
Low: 66°F
Apr
74°
High: 81°F
Avg: 74°F
Low: 67°F
May
75°
High: 82°F
Avg: 75°F
Low: 69°F
Jun
76°
High: 83°F
Avg: 76°F
Low: 70°F
Jul
77°
High: 83°F
Avg: 77°F
Low: 70°F
Aug
77°
High: 83°F
Avg: 77°F
Low: 70°F
Sep
76°
High: 82°F
Avg: 76°F
Low: 69°F
Oct
74°
High: 80°F
Avg: 74°F
Low: 68°F
Nov
72°
High: 79°F
Avg: 72°F
Low: 66°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 6" 7.8"
5.5"
5.49"
Jan
6.0"
5.99"
Feb
7.7"
7.72"
Mar
6.2"
6.21"
Apr
4.7"
4.71"
May
4.9"
4.87"
Jun
5.7"
5.73"
Jul
5.5"
5.55"
Aug
5.6"
5.63"
Sep
6.8"
6.75"
Oct
7.8"
7.83"
Nov
7.3"
7.28"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec11h11.5h12h12.5h13h13h13h12.5h12h11.5h11h11h
Jan: 6:32 AM – 5:28 PM · 10h 56m
Feb: 6:19 AM – 5:41 PM · 11h 21m
Mar: 6:04 AM – 5:56 PM · 11h 52m
Apr: 5:46 AM – 6:14 PM · 12h 27m
May: 5:32 AM – 6:28 PM · 12h 56m
Jun: 5:24 AM – 6:36 PM · 13h 11m
Jul: 5:28 AM – 6:32 PM · 13h 05m
Aug: 5:40 AM – 6:20 PM · 12h 40m
Sep: 5:57 AM – 6:03 PM · 12h 06m
Oct: 6:14 AM – 5:46 PM · 11h 32m
Nov: 6:29 AM – 5:31 PM · 11h 03m
Dec: 6:36 AM – 5:24 PM · 10h 49m
Daylight Longest: 13h 12m · Shortest: 10h 48m

Nearby Stations

Hilo 5 S, HI Glenwood #2 55.4, HI Kihalani 132.5, HI Hawaii Vol Np Hq 54, HI Mauna Loa 5 Nne, HI April 12 - December 1 Sea Mtn 12.15, HI

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