Frost Dates for TOMAKOMAI, Japan

Elevation: 6 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 15
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 18
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 20
First Fall Frost November 14

Hard Freeze (−2°C)

Last Spring Hard Freeze April 1
First Fall Hard Freeze November 28
42.62°N, 141.55°W © OpenStreetMap

Growing Season

217 Days April 15 to November 18

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.

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°
-4°
High: -1°C
Avg: -4°C
Low: -6°C
Jan
-3°
High: -1°C
Avg: -3°C
Low: -6°C
Feb
0°
High: 2°C
Avg: 0°C
Low: -3°C
Mar
4°
High: 7°C
Avg: 4°C
Low: 2°C
Apr
9°
High: 12°C
Avg: 9°C
Low: 7°C
May
14°
High: 16°C
Avg: 14°C
Low: 12°C
Jun
18°
High: 20°C
Avg: 18°C
Low: 16°C
Jul
20°
High: 22°C
Avg: 20°C
Low: 18°C
Aug
18°
High: 20°C
Avg: 18°C
Low: 16°C
Sep
12°
High: 14°C
Avg: 12°C
Low: 10°C
Oct
5°
High: 7°C
Avg: 5°C
Low: 3°C
Nov
-1°
High: 1°C
Avg: -1°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
46 mm
45.7 mm
Jan
43 mm
43.2 mm
Feb
69 mm
68.6 mm
Mar
76 mm
76.2 mm
Apr
114 mm
114.3 mm
May
114 mm
114.3 mm
Jun
142 mm
142.2 mm
Jul
203 mm
203.2 mm
Aug
180 mm
180.3 mm
Sep
114 mm
114.3 mm
Oct
79 mm
78.7 mm
Nov
74 mm
73.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h13.5h12.5h11h9.5h9h
Jan: 7:24 AM – 4:36 PM · 9h 12m
Feb: 6:50 AM – 5:10 PM · 10h 20m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 10m
May: 4:47 AM – 7:13 PM · 14h 26m
Jun: 4:27 AM – 7:33 PM · 15h 07m
Jul: 4:35 AM – 7:25 PM · 14h 50m
Aug: 5:08 AM – 6:52 PM · 13h 44m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:36 AM – 5:24 PM · 10h 48m
Nov: 7:15 AM – 4:45 PM · 9h 31m
Dec: 7:34 AM – 4:26 PM · 8h 53m
Daylight Longest: 15h 08m · Shortest: 8h 52m

Nearby Stations

CHITOSE HOKKAIDO, Japan April 24 - November 7 SAPPORO, Japan April 23 - November 12 MURORAN, Japan April 16 - November 14 IWAMIZAWA, Japan April 30 - October 31 KUTCHAN, Japan April 29 - November 4 OTARU, Japan April 14 - November 16

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