Frost Dates for Bath, Canada

Based on data from Centreville weather station, 16 miles away

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. May 10
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. October 3
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 14
First Fall Frost September 28

Hard Freeze (−2°C)

Last Spring Hard Freeze April 23
First Fall Hard Freeze October 17
44.18°N, -76.78°W © OpenStreetMap

Growing Season

146 Days May 10 to October 3

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 4b

Avg. annual minimum: −25 to −20°F (−32 to −29°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

-15° 0° 15° 30°
-8°
High: -3°C
Avg: -8°C
Low: -12°C
Jan
-6°
High: -1°C
Avg: -6°C
Low: -12°C
Feb
-1°
High: 4°C
Avg: -1°C
Low: -6°C
Mar
6°
High: 12°C
Avg: 6°C
Low: 1°C
Apr
13°
High: 20°C
Avg: 13°C
Low: 7°C
May
18°
High: 24°C
Avg: 18°C
Low: 12°C
Jun
21°
High: 27°C
Avg: 21°C
Low: 15°C
Jul
20°
High: 26°C
Avg: 20°C
Low: 14°C
Aug
16°
High: 22°C
Avg: 16°C
Low: 10°C
Sep
9°
High: 14°C
Avg: 9°C
Low: 4°C
Oct
3°
High: 7°C
Avg: 3°C
Low: -2°C
Nov
-4°
High: 0°C
Avg: -4°C
Low: -8°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
86 mm
86.4 mm
Jan
71 mm
71.1 mm
Feb
76 mm
76.2 mm
Mar
89 mm
88.9 mm
Apr
89 mm
88.9 mm
May
102 mm
101.6 mm
Jun
81 mm
81.3 mm
Jul
74 mm
73.7 mm
Aug
102 mm
101.6 mm
Sep
94 mm
94.0 mm
Oct
91 mm
91.4 mm
Nov
79 mm
78.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:30 AM – 4:30 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 36m
Jun: 4:20 AM – 7:40 PM · 15h 20m
Jul: 4:29 AM – 7:31 PM · 15h 02m
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: 7:20 AM – 4:40 PM · 9h 21m
Dec: 7:40 AM – 4:20 PM · 8h 40m
Daylight Longest: 15h 21m · Shortest: 8h 39m

Nearby Stations

Hartington Ihd, ON May 5 - October 6 Belleville, ON April 25 - October 15 Mountainview, ONMay 1 - October 9 Trenton A, ONMay 2 - October 10 Point Petre (Aut), ON April 26 - October 25 Lyndhurst Shawmere, ON May 6 - October 12

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