Frost Dates for RONNSKAR, Sweden

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. May 7
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 12

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 12
First Fall Frost October 8

Hard Freeze (−2°C)

Last Spring Hard Freeze April 26
First Fall Hard Freeze October 21
65.04°N, 21.57°E © OpenStreetMap

Growing Season

158 Days May 7 to October 12

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 5b

Avg. annual minimum: −26 to −23°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-4°-7°-9°
February-5°-7°-10°
March0°-4°-7°
April4°1°-3°
May10°7°3°
June15°12°9°
July19°16°13°
August18°15°12°
September13°10°7°
October6°4°2°
November1°-1°-3°
December-2°-4°-7°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January46
February20
March25
April23
May43
June58
July81
August69
September61
October58
November53
December58

Sunrise / Sunset

Daylight Longest: 21h 10m · Shortest: 2h 50m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:47 AM2:13 PM4h 26m
February8:02 AM3:58 PM7h 56m
March6:24 AM5:36 PM11h 11m
April4:37 AM7:23 PM14h 47m
May2:52 AM9:08 PM18h 16m
June1:29 AM10:31 PM21h 02m
July2:08 AM9:52 PM19h 43m
August3:53 AM8:07 PM16h 14m
September5:41 AM6:19 PM12h 38m
October7:25 AM4:35 PM9h 10m
November9:13 AM2:47 PM5h 34m
December10:32 AM1:28 PM2h 56m

Nearby Stations

PITEA, SwedenMay 8 - October 13 RODKALLEN_A, Sweden May 7 - October 29 SKELLEFTEA_FLYGPLATS, Sweden May 8 - October 16 LULEA FLYGPLATS, Sweden May 9 - October 13 BJUROKLUBB A, Sweden May 4 - October 23 LULEA-BERGNASET, Sweden May 10 - October 13

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