Frost Dates for KARLSRUHE, Germany

Elevation: 112 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 4
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. November 13

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 April 10
First Fall Frost November 5

Hard Freeze (−2°C)

Last Spring Hard Freeze March 11
First Fall Hard Freeze November 29
49.04°N, 8.37°E © OpenStreetMap

Growing Season

223 Days April 4 to November 13

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 8a

Avg. annual minimum: −12 to −9°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

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
January5°2°0°
February7°3°0°
March11°7°2°
April16°11°6°
May19°15°10°
June23°18°14°
July25°21°16°
August25°20°16°
September20°16°12°
October15°12°8°
November9°6°4°
December6°3°1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January74
February66
March71
April48
May76
June61
July69
August51
September51
October71
November74
December84

Sunrise / Sunset

Daylight Longest: 15h 60m · Shortest: 8h 00m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:47 AM4:13 PM8h 27m
February7:03 AM4:57 PM9h 54m
March6:13 AM5:47 PM11h 34m
April5:16 AM6:44 PM13h 28m
May4:28 AM7:32 PM15h 05m
June4:01 AM7:59 PM15h 58m
July4:12 AM7:48 PM15h 36m
August4:54 AM7:06 PM14h 11m
September5:50 AM6:10 PM12h 20m
October6:45 AM5:15 PM10h 30m
November7:34 AM4:26 PM8h 51m
December7:59 AM4:01 PM8h 02m

Nearby Stations

RHEINSTETTEN, Germany April 3 - November 13 SOELLINGEN A GERMANY, Germany April 2 - November 13 HEIDELBERG, Germany April 5 - November 11 MANNHEIM CITY, Germany April 5 - November 12 COLEMAN, Germany April 7 - November 12 KAISERSLAUTERN, Germany April 9 - November 15

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