Frost Dates for Inver Grove Heights, MN

Based on data from St Paul Downtown AP weather station, 6 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. 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 16
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 10

Hard Freeze (28°F)

Last Spring Hard Freeze April 13
First Fall Hard Freeze October 27
44.85°N, -93.04°W © OpenStreetMap

Growing Season

175 Days April 24 to October 16

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.

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

0° 30° 60° 90°
16°
High: 24°F
Avg: 16°F
Low: 9°F
Jan
21°
High: 29°F
Avg: 21°F
Low: 13°F
Feb
33°
High: 42°F
Avg: 33°F
Low: 25°F
Mar
47°
High: 57°F
Avg: 47°F
Low: 37°F
Apr
59°
High: 69°F
Avg: 59°F
Low: 49°F
May
69°
High: 79°F
Avg: 69°F
Low: 59°F
Jun
73°
High: 83°F
Avg: 73°F
Low: 64°F
Jul
71°
High: 80°F
Avg: 71°F
Low: 62°F
Aug
63°
High: 72°F
Avg: 63°F
Low: 53°F
Sep
49°
High: 58°F
Avg: 49°F
Low: 40°F
Oct
35°
High: 42°F
Avg: 35°F
Low: 27°F
Nov
22°
High: 29°F
Avg: 22°F
Low: 15°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.3"
1.3"
1.28"
Jan
1.3"
1.32"
Feb
2.7"
2.72"
Mar
4.0"
4.01"
Apr
4.9"
4.88"
May
5.2"
5.17"
Jun
5.3"
5.34"
Jul
4.8"
4.83"
Aug
3.8"
3.83"
Sep
3.0"
3.04"
Oct
1.9"
1.90"
Nov
1.6"
1.65"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:31 AM – 4:29 PM · 8h 57m
Feb: 6:55 AM – 5:05 PM · 10h 11m
Mar: 6:11 AM – 5:49 PM · 11h 37m
Apr: 5:22 AM – 6:38 PM · 13h 16m
May: 4:41 AM – 7:19 PM · 14h 39m
Jun: 4:18 AM – 7:42 PM · 15h 24m
Jul: 4:27 AM – 7:33 PM · 15h 05m
Aug: 5:03 AM – 6:57 PM · 13h 53m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:39 AM – 5:21 PM · 10h 42m
Nov: 7:21 AM – 4:39 PM · 9h 18m
Dec: 7:42 AM – 4:18 PM · 8h 36m
Daylight Longest: 15h 25m · Shortest: 8h 35m

Nearby Stations

St Paul, MNApril 26 - October 12 St Paul 3sw, MN April 25 - October 12 U Of Mn St Paul, MN April 28 - October 8 Vadnais Lake, MN April 23 - October 20 Minneapolis/St Paul AP, MN April 23 - October 18 Lower St Anthony Falls, MN April 23 - October 16

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