Frost Dates for Broken Bow, NE

Based on data from Broken Bow 2 W weather station, 2 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. 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. October 1
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 16
First Fall Frost September 26

Hard Freeze (28°F)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 9
41.40°N, -99.64°W © OpenStreetMap

Growing Season

144 Days May 10 to October 1

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.

Dwa Hot-Summer Continental (Dry Winter)

Hot, wet summers and cold, dry winters. Monsoon influence brings most rain in summer. Good for warm-season crops during the rainy season; winters are harsh but dry.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
24°
High: 37°F
Avg: 24°F
Low: 12°F
Jan
27°
High: 40°F
Avg: 27°F
Low: 14°F
Feb
37°
High: 51°F
Avg: 37°F
Low: 23°F
Mar
46°
High: 60°F
Avg: 46°F
Low: 32°F
Apr
57°
High: 70°F
Avg: 57°F
Low: 44°F
May
68°
High: 81°F
Avg: 68°F
Low: 55°F
Jun
73°
High: 86°F
Avg: 73°F
Low: 60°F
Jul
71°
High: 84°F
Avg: 71°F
Low: 58°F
Aug
62°
High: 77°F
Avg: 62°F
Low: 48°F
Sep
49°
High: 64°F
Avg: 49°F
Low: 34°F
Oct
36°
High: 50°F
Avg: 36°F
Low: 22°F
Nov
26°
High: 39°F
Avg: 26°F
Low: 13°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.1"
1.6"
1.55"
Jan
1.5"
1.52"
Feb
2.0"
1.99"
Mar
3.5"
3.45"
Apr
5.3"
5.30"
May
5.8"
5.83"
Jun
6.1"
6.14"
Jul
4.9"
4.88"
Aug
4.5"
4.50"
Sep
4.0"
3.95"
Oct
2.4"
2.36"
Nov
1.7"
1.70"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:20 AM – 4:40 PM · 9h 19m
Feb: 6:48 AM – 5:12 PM · 10h 24m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:26 AM – 6:34 PM · 13h 07m
May: 4:50 AM – 7:10 PM · 14h 20m
Jun: 4:31 AM – 7:29 PM · 14h 59m
Jul: 4:39 AM – 7:21 PM · 14h 43m
Aug: 5:10 AM – 6:50 PM · 13h 40m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:34 AM – 5:26 PM · 10h 51m
Nov: 7:11 AM – 4:49 PM · 9h 37m
Dec: 7:29 AM – 4:31 PM · 9h 01m
Daylight Longest: 14h 60m · Shortest: 9h 00m

Nearby Stations

Broken Bow Muni AP, NE May 1 - October 7 Anselmo 2 Wsw, NE May 10 - October 1 Oconto, NEMay 10 - October 1 Callaway 8wsw, NE May 3 - October 6 Mason City, NEMay 3 - October 5 Comstock, NEMay 4 - October 4

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