Frost Dates for MOMBETSU, Japan

Elevation: 21 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 30
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost May 5
First Fall Frost November 5

Hard Freeze (−2°C)

Last Spring Hard Freeze April 18
First Fall Hard Freeze November 20
44.35°N, 143.35°W © OpenStreetMap

Growing Season

193 Days April 30 to November 9

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 7a

Avg. annual minimum: −18 to −15°C

Learn more

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

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-10° 0° 10° 20°
-6°
High: -4°C
Avg: -6°C
Low: -8°C
Jan
-7°
High: -4°C
Avg: -7°C
Low: -9°C
Feb
-2°
High: 0°C
Avg: -2°C
Low: -5°C
Mar
3°
High: 7°C
Avg: 3°C
Low: 0°C
Apr
9°
High: 13°C
Avg: 9°C
Low: 6°C
May
13°
High: 17°C
Avg: 13°C
Low: 11°C
Jun
18°
High: 20°C
Avg: 18°C
Low: 15°C
Jul
19°
High: 22°C
Avg: 19°C
Low: 17°C
Aug
16°
High: 19°C
Avg: 16°C
Low: 14°C
Sep
10°
High: 13°C
Avg: 10°C
Low: 8°C
Oct
3°
High: 6°C
Avg: 3°C
Low: 1°C
Nov
-3°
High: -1°C
Avg: -3°C
Low: -5°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm 150 mm
76 mm
76.2 mm
Jan
48 mm
48.3 mm
Feb
69 mm
68.6 mm
Mar
76 mm
76.2 mm
Apr
81 mm
81.3 mm
May
76 mm
76.2 mm
Jun
104 mm
104.1 mm
Jul
130 mm
129.5 mm
Aug
122 mm
121.9 mm
Sep
91 mm
91.4 mm
Oct
81 mm
81.3 mm
Nov
74 mm
73.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:29 AM – 4:31 PM · 9h 01m
Feb: 6:53 AM – 5:07 PM · 10h 13m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 15m
May: 4:42 AM – 7:18 PM · 14h 35m
Jun: 4:20 AM – 7:40 PM · 15h 19m
Jul: 4:29 AM – 7:31 PM · 15h 01m
Aug: 5:04 AM – 6:56 PM · 13h 51m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 44m
Nov: 7:19 AM – 4:41 PM · 9h 21m
Dec: 7:40 AM – 4:20 PM · 8h 40m
Daylight Longest: 15h 21m · Shortest: 8h 39m

Nearby Stations

OMU, JapanApril 30 - November 11 ABASHIRI, Japan April 28 - November 11 KITAMIESASHI, Japan April 29 - November 9 ASAHIKAWA, Japan May 4 - October 25 MYS KRILON, Russia April 19 - November 10

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