Frost Dates for Caribou Muni AP, ME

Elevation: 190 m

Frost Dates

Last Spring Frost (50%) May 7

First Fall Frost (50%) October 1

30% Probability

Last Spring Frost May 13

First Fall Frost September 25

Hard Freeze (28°F)

Last Spring Hard Freeze April 26

First Fall Hard Freeze October 12

46.87°N, 68.02°W © OpenStreetMap

Growing Season

147 Days May 7 to October 1

USDA Hardiness Zone

Zone 4b

Avg. annual minimum: −25 to −20°F

Learn more

Köppen Climate

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.

Köppen climate map

Temperature

0° 20° 40° 60° 80°

12°

Jan

14°

Feb

25°

Mar

39°

Apr

52°

May

61°

Jun

67°

Jul

65°

Aug

57°

Sep

45°

Oct

33°

Nov

20°

Dec

32°F

28°F

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	21°	12°	3°
February	24°	14°	4°
March	34°	25°	16°
April	48°	39°	29°
May	63°	52°	41°
June	72°	61°	51°
July	77°	67°	56°
August	76°	65°	54°
September	67°	57°	46°
October	53°	45°	36°
November	40°	33°	26°
December	28°	20°	12°

Precipitation

0" 2" 4" 4.7"

2.8"

Jan

2.6"

Feb

3.1"

Mar

3.9"

Apr

4.3"

May

4.4"

Jun

4.7"

Jul

4.5"

Aug

4.2"

Sep

4.3"

Oct

3.4"

Nov

3.3"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.8
February	2.6
March	3.1
April	3.9
May	4.3
June	4.4
July	4.7
August	4.5
September	4.2
October	4.3
November	3.4
December	3.3

Sunrise / Sunset

Jan: 7:20 AM – 4:03 PM · 8h 44m

Feb: 6:45 AM – 4:48 PM · 10h 03m

Mar: 6:54 AM – 6:30 PM · 11h 36m

Apr: 5:52 AM – 7:13 PM · 13h 22m

May: 5:03 AM – 7:54 PM · 14h 50m

Jun: 4:43 AM – 8:22 PM · 15h 39m

Jul: 4:58 AM – 8:17 PM · 15h 19m

Aug: 5:36 AM – 7:37 PM · 14h 01m

Sep: 6:17 AM – 6:36 PM · 12h 19m

Oct: 6:59 AM – 5:36 PM · 10h 37m

Nov: 6:44 AM – 3:50 PM · 9h 06m

Dec: 7:18 AM – 3:38 PM · 8h 21m

Daylight Eastern Time (ET) Longest: 15h 41m · Shortest: 8h 19m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month	Sunrise	Sunset	Daylight
January	7:20 AM	4:03 PM	8h 44m
February	6:45 AM	4:48 PM	10h 03m
March	6:54 AM	6:30 PM	11h 36m
April	5:52 AM	7:13 PM	13h 22m
May	5:03 AM	7:54 PM	14h 50m
June	4:43 AM	8:22 PM	15h 39m
July	4:58 AM	8:17 PM	15h 19m
August	5:36 AM	7:37 PM	14h 01m
September	6:17 AM	6:36 PM	12h 19m
October	6:59 AM	5:36 PM	10h 37m
November	6:44 AM	3:50 PM	9h 06m
December	7:18 AM	3:38 PM	8h 21m

Nearby Stations

Limestone 4 Nnw, ME May 16 - September 24 Presque Isle, ME May 14 - September 26 Aroostook, NB May 26 - September 25 Van Buren 2, ME May 23 - September 26 St Leonard A, NB May 21 - September 16 Bridgewater, ME May 25 - September 18

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!