Frost Dates for Edgemont 23 Nnw, 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 18
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 27
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 24
First Fall Frost September 22

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 7
First Fall Hard Freeze October 5
43.62°N, -103.92°W © OpenStreetMap

Growing Season

132 Days May 18 to September 27

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

Learn more

Temperature

10° 30° 50° 70° 90°
23°
High: 36°
Avg: 23°
Low: 11°
Jan
25°
High: 37°
Avg: 25°
Low: 13°
Feb
35°
High: 47°
Avg: 35°
Low: 23°
Mar
43°
High: 55°
Avg: 43°
Low: 30°
Apr
53°
High: 65°
Avg: 53°
Low: 41°
May
63°
High: 76°
Avg: 63°
Low: 51°
Jun
71°
High: 85°
Avg: 71°
Low: 58°
Jul
70°
High: 84°
Avg: 70°
Low: 56°
Aug
60°
High: 74°
Avg: 60°
Low: 46°
Sep
45°
High: 59°
Avg: 45°
Low: 32°
Oct
33°
High: 45°
Avg: 33°
Low: 21°
Nov
24°
High: 36°
Avg: 24°
Low: 12°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.9"
2.4"
2.36"
Jan
2.7"
2.69"
Feb
3.8"
3.84"
Mar
3.9"
3.91"
Apr
5.0"
4.96"
May
5.8"
5.79"
Jun
5.9"
5.92"
Jul
5.2"
5.24"
Aug
3.9"
3.88"
Sep
4.1"
4.09"
Oct
3.0"
2.96"
Nov
2.4"
2.40"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
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 38m
Apr: 5:24 AM – 6:36 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 31m
Jun: 4:23 AM – 7:37 PM · 15h 14m
Jul: 4:32 AM – 7:28 PM · 14h 57m
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 25m
Dec: 7:37 AM – 4:23 PM · 8h 46m
Daylight Longest: 15h 15m · Shortest: 8h 45m

Nearby Stations

Custer Co AP, SD May 23 - September 24 Custer, SDMay 18 - September 28 Newcastle, WYMay 13 - October 3 Edgemont, SDMay 23 - September 20 Wind Cave, SD May 15 - September 29 Hot Springs, SD May 16 - September 27

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