Frost Dates for Belgium, WI

Based on data from Belgium Wwtp weather station, 1 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 5
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 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 May 13
First Fall Frost October 6

Hard Freeze (28°F)

Last Spring Hard Freeze April 22
First Fall Hard Freeze October 25
43.50°N, -87.85°W © OpenStreetMap

Growing Season

160 Days May 5 to October 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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°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° 30° 50° 70°
19°
High: 27°F
Avg: 19°F
Low: 11°F
Jan
22°
High: 31°F
Avg: 22°F
Low: 13°F
Feb
32°
High: 40°F
Avg: 32°F
Low: 23°F
Mar
43°
High: 52°F
Avg: 43°F
Low: 33°F
Apr
53°
High: 63°F
Avg: 53°F
Low: 44°F
May
64°
High: 74°F
Avg: 64°F
Low: 54°F
Jun
70°
High: 80°F
Avg: 70°F
Low: 60°F
Jul
68°
High: 78°F
Avg: 68°F
Low: 59°F
Aug
61°
High: 71°F
Avg: 61°F
Low: 50°F
Sep
49°
High: 58°F
Avg: 49°F
Low: 39°F
Oct
36°
High: 44°F
Avg: 36°F
Low: 28°F
Nov
25°
High: 33°F
Avg: 25°F
Low: 18°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.4"
3.3"
3.27"
Jan
3.2"
3.21"
Feb
4.4"
4.44"
Mar
5.7"
5.68"
Apr
5.6"
5.59"
May
6.0"
6.00"
Jun
6.6"
6.61"
Jul
7.4"
7.43"
Aug
6.0"
5.95"
Sep
4.1"
4.06"
Oct
4.3"
4.26"
Nov
4.2"
4.24"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:27 AM – 4:33 PM · 9h 06m
Feb: 6:52 AM – 5:08 PM · 10h 16m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:45 AM – 7:15 PM · 14h 31m
Jun: 4:23 AM – 7:37 PM · 15h 13m
Jul: 4:32 AM – 7:28 PM · 14h 56m
Aug: 5:06 AM – 6:54 PM · 13h 48m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 26m
Dec: 7:37 AM – 4:23 PM · 8h 47m
Daylight Longest: 15h 15m · Shortest: 8h 45m

Nearby Stations

Port Washington, WI April 27 - October 22 Hingham Wwtp, WI May 3 - October 16 Saukville Wwtp, WI May 5 - October 11 Grafton Wwtp, WI April 23 - October 24 West Bend, WIMay 4 - October 11 Sheboygan Wwtp, WI May 2 - October 21

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