Frost Dates for POSTOJNA, Slovenia

Elevation: 574 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 7
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 8
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 14
First Fall Frost November 1

Hard Freeze (−2°C)

Last Spring Hard Freeze March 19
First Fall Hard Freeze November 21
45.80°N, 14.20°W © OpenStreetMap

Growing Season

215 Days April 7 to November 8

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 7b

Avg. annual minimum: −15 to −12°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°
0°
High: 4°C
Avg: 0°C
Low: -2°C
Jan
1°
High: 5°C
Avg: 1°C
Low: -2°C
Feb
5°
High: 9°C
Avg: 5°C
Low: 1°C
Mar
9°
High: 14°C
Avg: 9°C
Low: 5°C
Apr
13°
High: 18°C
Avg: 13°C
Low: 9°C
May
17°
High: 22°C
Avg: 17°C
Low: 13°C
Jun
20°
High: 24°C
Avg: 20°C
Low: 15°C
Jul
20°
High: 24°C
Avg: 20°C
Low: 15°C
Aug
15°
High: 19°C
Avg: 15°C
Low: 11°C
Sep
10°
High: 14°C
Avg: 10°C
Low: 7°C
Oct
6°
High: 9°C
Avg: 6°C
Low: 3°C
Nov
1°
High: 4°C
Avg: 1°C
Low: -1°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
86 mm
86.4 mm
Jan
104 mm
104.1 mm
Feb
107 mm
106.7 mm
Mar
124 mm
124.5 mm
Apr
142 mm
142.2 mm
May
135 mm
134.6 mm
Jun
127 mm
127.0 mm
Jul
140 mm
139.7 mm
Aug
170 mm
170.2 mm
Sep
168 mm
167.6 mm
Oct
175 mm
175.3 mm
Nov
122 mm
121.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:34 AM – 4:26 PM · 8h 51m
Feb: 6:56 AM – 5:04 PM · 10h 08m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 19m
May: 4:38 AM – 7:22 PM · 14h 44m
Jun: 4:15 AM – 7:45 PM · 15h 30m
Jul: 4:24 AM – 7:36 PM · 15h 11m
Aug: 5:02 AM – 6:58 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:24 AM – 4:36 PM · 9h 13m
Dec: 7:45 AM – 4:15 PM · 8h 29m
Daylight Longest: 15h 32m · Shortest: 8h 28m

Nearby Stations

NOVA VAS NA BLOKAH, Slovenia April 14 - November 2 GODNJE, Slovenia March 20 - November 22 VOJSKO, Slovenia April 23 - October 25 BABNO POLJE, Slovenia April 14 - November 2 LJUBLJANA BEZIGRAD, Slovenia April 9 - November 7 LJUBLJANA/BEZIGRAD, Slovenia April 9 - November 7

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