Frost Dates for Aberdeen 35 Wnw, SD

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. September 30
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 15
First Fall Frost September 26

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 1
First Fall Hard Freeze October 9
45.71°N, -99.13°W © OpenStreetMap

Growing Season

143 Days May 10 to September 30

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 4a

Learn more

Temperature

0° 30° 60° 90°
12°
High: 21°
Avg: 12°
Low: 4°
Jan
15°
High: 24°
Avg: 15°
Low: 7°
Feb
28°
High: 38°
Avg: 28°
Low: 18°
Mar
42°
High: 53°
Avg: 42°
Low: 31°
Apr
54°
High: 66°
Avg: 54°
Low: 43°
May
64°
High: 75°
Avg: 64°
Low: 53°
Jun
70°
High: 81°
Avg: 70°
Low: 58°
Jul
68°
High: 79°
Avg: 68°
Low: 56°
Aug
59°
High: 71°
Avg: 59°
Low: 47°
Sep
44°
High: 55°
Avg: 44°
Low: 33°
Oct
29°
High: 39°
Avg: 29°
Low: 20°
Nov
17°
High: 25°
Avg: 17°
Low: 9°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.1"
1.3"
1.34"
Jan
1.1"
1.12"
Feb
1.9"
1.94"
Mar
3.2"
3.24"
Apr
4.0"
3.95"
May
4.0"
4.00"
Jun
4.0"
4.03"
Jul
4.1"
4.07"
Aug
3.9"
3.89"
Sep
2.5"
2.48"
Oct
1.2"
1.22"
Nov
1.3"
1.30"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:34 AM – 4:26 PM · 8h 52m
Feb: 6:56 AM – 5:04 PM · 10h 08m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 18m
May: 4:38 AM – 7:22 PM · 14h 43m
Jun: 4:15 AM – 7:45 PM · 15h 30m
Jul: 4:25 AM – 7:35 PM · 15h 11m
Aug: 5:02 AM – 6:58 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:23 AM – 4:37 PM · 9h 13m
Dec: 7:45 AM – 4:15 PM · 8h 30m
Daylight Longest: 15h 31m · Shortest: 8h 29m

Nearby Stations

Leola, SDMay 9 - September 28 Ipswich, SDMay 8 - September 29 Roscoe, SDMay 7 - October 3 Eureka, SDMay 12 - September 27 Ashley, NDMay 13 - September 28 Ellendale, NDMay 4 - October 2

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