Frost Dates for HEIDELBERG, Germany

Elevation: 112 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 5
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 12
First Fall Frost November 3

Hard Freeze (−2°C)

Last Spring Hard Freeze March 19
First Fall Hard Freeze November 30
49.40°N, 8.65°W © OpenStreetMap

Growing Season

220 Days April 5 to November 11

USDA Hardiness Zone iHardiness 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 iThe 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

-5° 5° 15° 25°
2°
High: 5°C
Avg: 2°C
Low: -1°C
Jan
3°
High: 7°C
Avg: 3°C
Low: 0°C
Feb
6°
High: 11°C
Avg: 6°C
Low: 2°C
Mar
11°
High: 15°C
Avg: 11°C
Low: 5°C
Apr
15°
High: 19°C
Avg: 15°C
Low: 10°C
May
18°
High: 23°C
Avg: 18°C
Low: 13°C
Jun
20°
High: 25°C
Avg: 20°C
Low: 15°C
Jul
20°
High: 25°C
Avg: 20°C
Low: 15°C
Aug
16°
High: 20°C
Avg: 16°C
Low: 12°C
Sep
11°
High: 15°C
Avg: 11°C
Low: 8°C
Oct
6°
High: 9°C
Avg: 6°C
Low: 3°C
Nov
3°
High: 5°C
Avg: 3°C
Low: 0°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
74 mm
73.7 mm
Jan
71 mm
71.1 mm
Feb
79 mm
78.7 mm
Mar
61 mm
61.0 mm
Apr
81 mm
81.3 mm
May
74 mm
73.7 mm
Jun
79 mm
78.7 mm
Jul
66 mm
66.0 mm
Aug
64 mm
63.5 mm
Sep
79 mm
78.7 mm
Oct
71 mm
71.1 mm
Nov
91 mm
91.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:48 AM – 4:12 PM · 8h 24m
Feb: 7:04 AM – 4:56 PM · 9h 52m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:15 AM – 6:45 PM · 13h 29m
May: 4:26 AM – 7:34 PM · 15h 07m
Jun: 3:59 AM – 8:01 PM · 16h 01m
Jul: 4:10 AM – 7:50 PM · 15h 39m
Aug: 4:53 AM – 7:07 PM · 14h 13m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 29m
Nov: 7:36 AM – 4:24 PM · 8h 49m
Dec: 8:01 AM – 3:59 PM · 7h 58m
Daylight Longest: 16h 03m · Shortest: 7h 57m

Nearby Stations

MANNHEIM CITY, Germany April 5 - November 12 COLEMAN, Germany April 7 - November 12 KARLSRUHE, Germany April 4 - November 13 RHEINSTETTEN, Germany April 3 - November 13 SEMBACH, Germany April 10 - November 10 KAISERSLAUTERN, Germany April 9 - November 15

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