Frost Dates for Helena, AR

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. March 15
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. November 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 March 23
First Fall Frost November 9

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 29
34.52°N, -90.59°W © OpenStreetMap

Growing Season

246 Days March 15 to November 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 8a

Learn more

Temperature

30° 50° 70° 90°
41°
High: 49°
Avg: 41°
Low: 32°
Jan
45°
High: 54°
Avg: 45°
Low: 35°
Feb
53°
High: 63°
Avg: 53°
Low: 43°
Mar
62°
High: 73°
Avg: 62°
Low: 52°
Apr
71°
High: 81°
Avg: 71°
Low: 62°
May
79°
High: 88°
Avg: 79°
Low: 70°
Jun
82°
High: 90°
Avg: 82°
Low: 73°
Jul
81°
High: 90°
Avg: 81°
Low: 72°
Aug
75°
High: 85°
Avg: 75°
Low: 65°
Sep
63°
High: 74°
Avg: 63°
Low: 53°
Oct
52°
High: 62°
Avg: 52°
Low: 42°
Nov
44°
High: 52°
Avg: 44°
Low: 35°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 14.2"
9.7"
9.73"
Jan
9.9"
9.88"
Feb
11.9"
11.87"
Mar
14.2"
14.17"
Apr
11.2"
11.22"
May
10.2"
10.20"
Jun
10.4"
10.41"
Jul
10.7"
10.67"
Aug
11.7"
11.67"
Sep
12.2"
12.17"
Oct
11.4"
11.44"
Nov
12.2"
12.19"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 7:02 AM – 4:58 PM · 9h 56m
Feb: 6:37 AM – 5:23 PM · 10h 45m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:34 AM – 6:26 PM · 12h 52m
May: 5:06 AM – 6:54 PM · 13h 48m
Jun: 4:51 AM – 7:09 PM · 14h 18m
Jul: 4:57 AM – 7:03 PM · 14h 06m
Aug: 5:21 AM – 6:39 PM · 13h 18m
Sep: 5:54 AM – 6:06 PM · 12h 12m
Oct: 6:27 AM – 5:33 PM · 11h 07m
Nov: 6:55 AM – 5:05 PM · 10h 09m
Dec: 7:09 AM – 4:51 PM · 9h 42m
Daylight Longest: 14h 19m · Shortest: 9h 41m

Nearby Stations

Marianna 2 S, AR March 18 - November 11 Tunica 2 N, MS March 14 - November 15 Clarksdale, MS March 16 - November 12 Lambert 1w, MS March 17 - November 7 Saint Charles, AR March 17 - November 10 Senatobia, MS March 20 - November 4

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