Frost Dates for Tonsina, AK

Elevation: 481 m

Frost Dates

This location has year-round freezing temperatures.

61.65°N, 145.17°W © OpenStreetMap

USDA Hardiness Zone

Zone 2b

Avg. annual minimum: −45 to −40°F

Learn more

Köppen Climate

Dsc Subarctic (Dry Summer)

Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.

Köppen climate map

Temperature

-10° 10° 30° 50° 70°

-2°

Jan

6°

Feb

14°

Mar

32°

Apr

44°

May

53°

Jun

57°

Jul

52°

Aug

42°

Sep

27°

Oct

7°

Nov

-1°

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	5°	-2°	-10°
February	17°	6°	-5°
March	29°	14°	-1°
April	45°	32°	19°
May	57°	44°	31°
June	67°	53°	40°
July	70°	57°	45°
August	65°	52°	40°
September	54°	42°	31°
October	36°	27°	17°
November	15°	7°	0°
December	7°	-1°	-8°

Precipitation

0" 1" 2" 3" 3.5"

3.5"

Jan

3.1"

Feb

1.6"

Mar

0.0"

Apr

1.9"

May

3.1"

Jun

3.4"

Jul

3.2"

Aug

2.5"

Sep

2.7"

Oct

2.7"

Nov

3.1"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	3.5
February	3.1
March	1.6
April	0.0
May	1.9
June	3.1
July	3.4
August	3.2
September	2.5
October	2.7
November	2.7
December	3.1

Sunrise / Sunset

Jan: 9:05 AM – 2:55 PM · 5h 51m

Feb: 7:44 AM – 4:16 PM · 8h 32m

Mar: 6:21 AM – 5:39 PM · 11h 18m

Apr: 4:48 AM – 7:12 PM · 14h 23m

May: 3:24 AM – 8:36 PM · 17h 13m

Jun: 2:28 AM – 9:32 PM · 19h 04m

Jul: 2:52 AM – 9:08 PM · 18h 16m

Aug: 4:12 AM – 7:48 PM · 15h 36m

Sep: 5:44 AM – 6:16 PM · 12h 33m

Oct: 7:13 AM – 4:47 PM · 9h 34m

Nov: 8:40 AM – 3:20 PM · 6h 40m

Dec: 9:32 AM – 2:28 PM · 4h 55m

Daylight Longest: 19h 08m · Shortest: 4h 52m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	9:05 AM	2:55 PM	5h 51m
February	7:44 AM	4:16 PM	8h 32m
March	6:21 AM	5:39 PM	11h 18m
April	4:48 AM	7:12 PM	14h 23m
May	3:24 AM	8:36 PM	17h 13m
June	2:28 AM	9:32 PM	19h 04m
July	2:52 AM	9:08 PM	18h 16m
August	4:12 AM	7:48 PM	15h 36m
September	5:44 AM	6:16 PM	12h 33m
October	7:13 AM	4:47 PM	9h 34m
November	8:40 AM	3:20 PM	6h 40m
December	9:32 AM	2:28 PM	4h 55m

Nearby Stations

Silver Lake, AK May 31 - September 3 Gennallen Kcam, AK Gulkana AP, AKJune 7 - August 21 Valdez WSO, AK April 30 - October 2 Valdez, AKMay 14 - September 22 Lake Susitna, AK May 30 - September 4

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!