Frost Dates for Oshkosh, WI

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 24
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 20
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 30
First Fall Frost October 13

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 13
First Fall Hard Freeze October 31
44.02°N, -88.56°W © OpenStreetMap

Growing Season

179 Days April 24 to October 20

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 5b

Learn more

Temperature

10° 30° 50° 70° 90°
18°
High: 26°
Avg: 18°
Low: 10°
Jan
21°
High: 30°
Avg: 21°
Low: 13°
Feb
32°
High: 41°
Avg: 32°
Low: 24°
Mar
45°
High: 54°
Avg: 45°
Low: 36°
Apr
58°
High: 67°
Avg: 58°
Low: 48°
May
68°
High: 77°
Avg: 68°
Low: 59°
Jun
72°
High: 82°
Avg: 72°
Low: 63°
Jul
70°
High: 80°
Avg: 70°
Low: 61°
Aug
63°
High: 73°
Avg: 63°
Low: 53°
Sep
50°
High: 59°
Avg: 50°
Low: 41°
Oct
37°
High: 44°
Avg: 37°
Low: 29°
Nov
25°
High: 32°
Avg: 25°
Low: 18°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.2"
2.6"
2.60"
Jan
2.5"
2.51"
Feb
3.7"
3.69"
Mar
4.1"
4.11"
Apr
5.4"
5.42"
May
6.2"
6.21"
Jun
5.9"
5.86"
Jul
5.7"
5.67"
Aug
5.2"
5.16"
Sep
3.8"
3.83"
Oct
2.9"
2.90"
Nov
2.8"
2.79"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:28 AM – 4:32 PM · 9h 03m
Feb: 6:53 AM – 5:07 PM · 10h 14m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 14m
May: 4:43 AM – 7:17 PM · 14h 34m
Jun: 4:22 AM – 7:38 PM · 15h 17m
Jul: 4:30 AM – 7:30 PM · 14h 59m
Aug: 5:05 AM – 6:55 PM · 13h 50m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 45m
Nov: 7:18 AM – 4:42 PM · 9h 23m
Dec: 7:39 AM – 4:21 PM · 8h 43m
Daylight Longest: 15h 18m · Shortest: 8h 42m

Nearby Stations

Oshkosh Wittman AP, WI April 30 - October 13 Ripon 5 Ne, WIMay 1 - October 11 Fond Du Lac Wwtp, WI May 1 - October 12 Fond Du Lac Co AP, WI May 1 - October 10 Fond Du Lac 2 Sw, WI April 27 - October 19 Appleton, WIMay 4 - October 6

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