Frost Dates for ROTTERDAM-GEULHAVEN, Netherlands

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. March 27
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 25
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 7
First Fall Frost November 16

Hard Freeze (−2°C)

Last Spring Hard Freeze March 1
First Fall Hard Freeze December 9
51.89°N, 4.31°W © OpenStreetMap

Growing Season

243 Days March 27 to November 25

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 8b

Avg. annual minimum: −9 to −7°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

0° 10° 20°
4°
High: 6°C
Avg: 4°C
Low: 2°C
Jan
4°
High: 7°C
Avg: 4°C
Low: 2°C
Feb
6°
High: 10°C
Avg: 6°C
Low: 3°C
Mar
10°
High: 13°C
Avg: 10°C
Low: 6°C
Apr
13°
High: 17°C
Avg: 13°C
Low: 9°C
May
16°
High: 19°C
Avg: 16°C
Low: 12°C
Jun
18°
High: 21°C
Avg: 18°C
Low: 15°C
Jul
18°
High: 21°C
Avg: 18°C
Low: 15°C
Aug
15°
High: 18°C
Avg: 15°C
Low: 12°C
Sep
12°
High: 14°C
Avg: 12°C
Low: 9°C
Oct
8°
High: 10°C
Avg: 8°C
Low: 6°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 30 mm 60 mm 90 mm
76 mm
76.2 mm
Jan
64 mm
63.5 mm
Feb
66 mm
66.0 mm
Mar
38 mm
38.1 mm
Apr
69 mm
68.6 mm
May
61 mm
61.0 mm
Jun
81 mm
81.3 mm
Jul
86 mm
86.4 mm
Aug
74 mm
73.7 mm
Sep
81 mm
81.3 mm
Oct
79 mm
78.7 mm
Nov
79 mm
78.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:59 AM – 4:01 PM · 8h 02m
Feb: 7:10 AM – 4:50 PM · 9h 40m
Mar: 6:14 AM – 5:46 PM · 11h 31m
Apr: 5:11 AM – 6:49 PM · 13h 38m
May: 4:17 AM – 7:43 PM · 15h 26m
Jun: 3:47 AM – 8:13 PM · 16h 27m
Jul: 3:59 AM – 8:01 PM · 16h 01m
Aug: 4:47 AM – 7:13 PM · 14h 26m
Sep: 5:49 AM – 6:11 PM · 12h 23m
Oct: 6:50 AM – 5:10 PM · 10h 20m
Nov: 7:45 AM – 4:15 PM · 8h 30m
Dec: 8:13 AM – 3:47 PM · 7h 33m
Daylight Longest: 16h 29m · Shortest: 7h 31m

Nearby Stations

ROTTERDAM, Netherlands March 28 - November 25 HOEK VAN HOLLAND, Netherlands March 4 - December 6 VOORSCHOTEN, Netherlands March 23 - November 28 VALKENBURG, Netherlands March 22 - November 29 VALKENBURG-1, Netherlands March 22 - November 29 CABAUW, Netherlands March 31 - November 22

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!

Planter app garden planner preview