Frost Dates for HARNOSAND, Sweden

Elevation: 2 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 26
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 24

30% Probability

Only 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 1
First Fall Frost October 17

Hard Freeze (−2°C)

Last Spring Hard Freeze April 14
First Fall Hard Freeze November 6
62.63°N, 17.93°E © OpenStreetMap

Growing Season

181 Days April 26 to October 24

USDA Hardiness Zone

Hardiness 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 7a

Avg. annual minimum: −18 to −15°C

Learn more

Köppen Climate

The 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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-1°-3°-5°
February-2°-4°-6°
March1°-1°-4°
April6°3°0°
May11°8°5°
June16°13°10°
July19°16°13°
August18°16°13°
September14°11°9°
October7°5°4°
November3°1°-1°
December0°-2°-4°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January61
February41
March36
April30
May46
June53
July69
August79
September64
October74
November71
December74

Sunrise / Sunset

Daylight Longest: 19h 35m · Shortest: 4h 25m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:15 AM2:45 PM5h 30m
February7:49 AM4:11 PM8h 23m
March6:22 AM5:38 PM11h 16m
April4:45 AM7:15 PM14h 29m
May3:16 AM8:44 PM17h 29m
June2:15 AM9:45 PM19h 31m
July2:42 AM9:18 PM18h 37m
August4:07 AM7:53 PM15h 46m
September5:43 AM6:17 PM12h 34m
October7:16 AM4:44 PM9h 27m
November8:49 AM3:11 PM6h 23m
December9:46 AM2:14 PM4h 28m

Nearby Stations

LUNGO, SwedenMay 6 - October 12 SUNDSVALLS FLYGPLATS, Sweden April 30 - October 17 SUNDSVALL-RASTA_V, Sweden May 2 - October 16 BRAMON, SwedenMay 6 - October 16 VASTMARKUM_A, Sweden May 5 - October 17 LANNAS, SwedenMay 10 - October 8

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