Frost Dates for Hazen, ND

Based on data from Beulah 1 W weather station, 8 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 21
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 20
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 26
First Fall Frost September 14

Hard Freeze (28°F)

Last Spring Hard Freeze May 11
First Fall Hard Freeze September 28
47.29°N, -101.62°W © OpenStreetMap

Growing Season

122 Days May 21 to September 20

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 3b

Avg. annual minimum: −35 to −30°F (−37 to −34°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Temperature

30° 60° 90°
13°
High: 23°F
Avg: 13°F
Low: 3°F
Jan
18°
High: 29°F
Avg: 18°F
Low: 7°F
Feb
31°
High: 43°F
Avg: 31°F
Low: 18°F
Mar
44°
High: 58°F
Avg: 44°F
Low: 29°F
Apr
55°
High: 69°F
Avg: 55°F
Low: 41°F
May
64°
High: 78°F
Avg: 64°F
Low: 51°F
Jun
71°
High: 86°F
Avg: 71°F
Low: 56°F
Jul
70°
High: 86°F
Avg: 70°F
Low: 54°F
Aug
60°
High: 77°F
Avg: 60°F
Low: 44°F
Sep
45°
High: 59°F
Avg: 45°F
Low: 32°F
Oct
29°
High: 41°F
Avg: 29°F
Low: 18°F
Nov
18°
High: 28°F
Avg: 18°F
Low: 8°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" 7.3"
0.0"
0.00"
Jan
0.0"
0.00"
Feb
1.5"
1.47"
Mar
5.9"
5.87"
Apr
6.7"
6.71"
May
7.2"
7.21"
Jun
7.3"
7.31"
Jul
6.2"
6.17"
Aug
6.4"
6.40"
Sep
7.0"
7.02"
Oct
3.3"
3.27"
Nov
0.0"
0.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:40 AM – 4:20 PM · 8h 41m
Feb: 6:59 AM – 5:01 PM · 10h 02m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:19 AM – 6:41 PM · 13h 23m
May: 4:34 AM – 7:26 PM · 14h 53m
Jun: 4:09 AM – 7:51 PM · 15h 42m
Jul: 4:19 AM – 7:41 PM · 15h 22m
Aug: 4:58 AM – 7:02 PM · 14h 03m
Sep: 5:50 AM – 6:10 PM · 12h 19m
Oct: 6:42 AM – 5:18 PM · 10h 36m
Nov: 7:28 AM – 4:32 PM · 9h 03m
Dec: 7:51 AM – 4:09 PM · 8h 17m
Daylight Longest: 15h 44m · Shortest: 8h 16m

Nearby Stations

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview