Frost Dates for KARUIZAWA, Japan

Elevation: 1063 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 19
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 12
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 April 23
First Fall Frost November 7

Hard Freeze (−2°C)

Last Spring Hard Freeze April 8
First Fall Hard Freeze November 26
36.35°N, 138.55°W © OpenStreetMap

Growing Season

207 Days April 19 to November 12

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 7b

Avg. annual minimum: −15 to −12°C

Learn more

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

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

-10° 0° 10° 20° 30°
-3°
High: 1°C
Avg: -3°C
Low: -7°C
Jan
-3°
High: 2°C
Avg: -3°C
Low: -6°C
Feb
1°
High: 6°C
Avg: 1°C
Low: -3°C
Mar
8°
High: 13°C
Avg: 8°C
Low: 3°C
Apr
13°
High: 18°C
Avg: 13°C
Low: 9°C
May
17°
High: 21°C
Avg: 17°C
Low: 13°C
Jun
21°
High: 25°C
Avg: 21°C
Low: 17°C
Jul
22°
High: 26°C
Avg: 22°C
Low: 18°C
Aug
18°
High: 22°C
Avg: 18°C
Low: 15°C
Sep
12°
High: 16°C
Avg: 12°C
Low: 8°C
Oct
6°
High: 10°C
Avg: 6°C
Low: 2°C
Nov
0°
High: 4°C
Avg: 0°C
Low: -3°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 75 mm 150 mm 225 mm
61 mm
61.0 mm
Jan
64 mm
63.5 mm
Feb
94 mm
94.0 mm
Mar
102 mm
101.6 mm
Apr
140 mm
139.7 mm
May
201 mm
200.7 mm
Jun
218 mm
218.4 mm
Jul
173 mm
172.7 mm
Aug
185 mm
185.4 mm
Sep
152 mm
152.4 mm
Oct
61 mm
61.0 mm
Nov
41 mm
40.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
Jan: 7:07 AM – 4:53 PM · 9h 47m
Feb: 6:40 AM – 5:20 PM · 10h 40m
Mar: 6:08 AM – 5:52 PM · 11h 43m
Apr: 5:32 AM – 6:28 PM · 12h 56m
May: 5:02 AM – 6:58 PM · 13h 56m
Jun: 4:46 AM – 7:14 PM · 14h 28m
Jul: 4:53 AM – 7:07 PM · 14h 15m
Aug: 5:18 AM – 6:42 PM · 13h 23m
Sep: 5:53 AM – 6:07 PM · 12h 13m
Oct: 6:29 AM – 5:31 PM · 11h 03m
Nov: 6:59 AM – 5:01 PM · 10h 02m
Dec: 7:14 AM – 4:46 PM · 9h 32m
Daylight Longest: 14h 29m · Shortest: 9h 31m

Nearby Stations

MAEBASHI, Japan March 30 - November 30 NAGANO, Japan April 14 - November 16 SUWA, JapanApril 17 - November 15 MATSUMOTO, Japan April 18 - November 14 CHICHIBU, Japan March 28 - December 8 KOFU, JapanMarch 30 - December 7

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview