Frost Dates for Bellevue L&D 12, IA

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 25
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 May 2
First Fall Frost October 10

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 13
First Fall Hard Freeze October 27
42.26°N, -90.42°W © OpenStreetMap

Growing Season

174 Days April 25 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

Learn more

Temperature

10° 30° 50° 70° 90°
21°
High: 29°
Avg: 21°
Low: 12°
Jan
24°
High: 34°
Avg: 24°
Low: 15°
Feb
36°
High: 46°
Avg: 36°
Low: 26°
Mar
48°
High: 59°
Avg: 48°
Low: 37°
Apr
60°
High: 71°
Avg: 60°
Low: 48°
May
70°
High: 81°
Avg: 70°
Low: 59°
Jun
74°
High: 85°
Avg: 74°
Low: 63°
Jul
72°
High: 83°
Avg: 72°
Low: 61°
Aug
64°
High: 76°
Avg: 64°
Low: 52°
Sep
52°
High: 63°
Avg: 52°
Low: 41°
Oct
38°
High: 47°
Avg: 38°
Low: 29°
Nov
27°
High: 34°
Avg: 27°
Low: 19°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 8.2"
2.9"
2.91"
Jan
2.9"
2.87"
Feb
3.5"
3.48"
Mar
5.0"
5.03"
Apr
6.0"
5.98"
May
8.2"
8.15"
Jun
7.3"
7.35"
Jul
7.6"
7.56"
Aug
6.1"
6.14"
Sep
5.1"
5.13"
Oct
4.2"
4.17"
Nov
3.6"
3.65"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h10h9h
Jan: 7:23 AM – 4:37 PM · 9h 14m
Feb: 6:50 AM – 5:10 PM · 10h 21m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 09m
May: 4:48 AM – 7:12 PM · 14h 24m
Jun: 4:28 AM – 7:32 PM · 15h 04m
Jul: 4:36 AM – 7:24 PM · 14h 48m
Aug: 5:08 AM – 6:52 PM · 13h 43m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:35 AM – 5:25 PM · 10h 49m
Nov: 7:14 AM – 4:46 PM · 9h 33m
Dec: 7:32 AM – 4:28 PM · 8h 55m
Daylight Longest: 15h 06m · Shortest: 8h 54m

Nearby Stations

Galena, ILApril 26 - October 15 Elizabeth, ILMay 1 - October 9 Dubuque Rgnl AP, IA April 28 - October 11 Maquoketa, IA April 25 - October 14 Dubuque L&D 11, IA April 19 - October 21 Stockton 3 Nne, IL April 27 - October 9

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