Frost Dates for ROTA AP, Northern Mariana Islands

Elevation: 178 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.

14.17°N, 145.24°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 13a

Avg. annual minimum: 16 to 18°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

20° 25° 30°
25°
High: 26°C
Avg: 25°C
Low: 24°C
Jan
25°
High: 26°C
Avg: 25°C
Low: 24°C
Feb
25°
High: 26°C
Avg: 25°C
Low: 24°C
Mar
26°
High: 27°C
Avg: 26°C
Low: 25°C
Apr
26°
High: 27°C
Avg: 26°C
Low: 25°C
May
27°
High: 28°C
Avg: 27°C
Low: 25°C
Jun
26°
High: 28°C
Avg: 26°C
Low: 25°C
Jul
26°
High: 27°C
Avg: 26°C
Low: 25°C
Aug
26°
High: 27°C
Avg: 26°C
Low: 25°C
Sep
26°
High: 27°C
Avg: 26°C
Low: 25°C
Oct
26°
High: 27°C
Avg: 26°C
Low: 25°C
Nov
26°
High: 27°C
Avg: 26°C
Low: 25°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 100 mm 200 mm 300 mm
81 mm
81.3 mm
Jan
66 mm
66.0 mm
Feb
51 mm
50.8 mm
Mar
69 mm
68.6 mm
Apr
89 mm
88.9 mm
May
130 mm
129.5 mm
Jun
254 mm
254.0 mm
Jul
345 mm
345.4 mm
Aug
318 mm
317.5 mm
Sep
307 mm
307.3 mm
Oct
160 mm
160.0 mm
Nov
89 mm
88.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec11h11.5h12h12.5h12.5h13h13h12.5h12h11.5h11.5h11h
Jan: 6:23 AM – 5:37 PM · 11h 15m
Feb: 6:14 AM – 5:46 PM · 11h 33m
Mar: 6:03 AM – 5:57 PM · 11h 54m
Apr: 5:50 AM – 6:10 PM · 12h 19m
May: 5:40 AM – 6:20 PM · 12h 39m
Jun: 5:35 AM – 6:25 PM · 12h 50m
Jul: 5:37 AM – 6:23 PM · 12h 46m
Aug: 5:46 AM – 6:14 PM · 12h 28m
Sep: 5:58 AM – 6:02 PM · 12h 04m
Oct: 6:10 AM – 5:50 PM · 11h 40m
Nov: 6:20 AM – 5:40 PM · 11h 20m
Dec: 6:25 AM – 5:35 PM · 11h 10m
Daylight Longest: 12h 50m · Shortest: 11h 10m

Nearby Stations

GUAM MARSHALL ISLAND, Guam ANDERSEN AFB GUAM, Guam GUAM INTL AP, Guam FENA FLTR PLT GUAM, Guam SAIPAN MARSHALL ISLANDS, Northern Mariana Islands SAIPAN INTL AP, Northern Mariana Islands

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