Frost Dates for PIAN ROSA (MTN TOP), Italy

Elevation: 3110 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. June 29
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. July 5

This location has a very short growing season. Frost can occur at almost any time of year.

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 July 1
First Fall Frost July 2

Hard Freeze (−2°C)

Last Spring Hard Freeze June 24
First Fall Hard Freeze July 12
45.93°N, 7.70°W © OpenStreetMap

Growing Season

6 Days June 29 to July 5

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 4b

Avg. annual minimum: −32 to −29°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

ET Tundra

No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.

Köppen climate map

Temperature

-20° -10° 0° 10°
-14°
High: -11°C
Avg: -14°C
Low: -18°C
Jan
-13°
High: -9°C
Avg: -13°C
Low: -17°C
Feb
-10°
High: -6°C
Avg: -10°C
Low: -14°C
Mar
-7°
High: -3°C
Avg: -7°C
Low: -10°C
Apr
-2°
High: 1°C
Avg: -2°C
Low: -6°C
May
2°
High: 6°C
Avg: 2°C
Low: -2°C
Jun
5°
High: 9°C
Avg: 5°C
Low: 0°C
Jul
5°
High: 9°C
Avg: 5°C
Low: 1°C
Aug
1°
High: 5°C
Avg: 1°C
Low: -3°C
Sep
-3°
High: 1°C
Avg: -3°C
Low: -7°C
Oct
-9°
High: -6°C
Avg: -9°C
Low: -13°C
Nov
-13°
High: -10°C
Avg: -13°C
Low: -17°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
99 mm
99.1 mm
Jan
79 mm
78.7 mm
Feb
94 mm
94.0 mm
Mar
140 mm
139.7 mm
Apr
175 mm
175.3 mm
May
160 mm
160.0 mm
Jun
175 mm
175.3 mm
Jul
160 mm
160.0 mm
Aug
142 mm
142.2 mm
Sep
137 mm
137.2 mm
Oct
157 mm
157.5 mm
Nov
104 mm
104.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:35 AM – 4:25 PM · 8h 50m
Feb: 6:56 AM – 5:04 PM · 10h 07m
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 45m
Jun: 4:14 AM – 7:46 PM · 15h 32m
Jul: 4:24 AM – 7:36 PM · 15h 12m
Aug: 5:01 AM – 6:59 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 39m
Nov: 7:24 AM – 4:36 PM · 9h 12m
Dec: 7:46 AM – 4:14 PM · 8h 28m
Daylight Longest: 15h 33m · Shortest: 8h 27m

Nearby Stations

COL DU GRAND ST-BERNARD, Switzerland June 22 - July 23 SION 2, Switzerland April 19 - October 25 LUGANO, Switzerland March 12 - December 1 PAYERNE, Switzerland April 14 - November 9 GENEVE OBSERVATOIRE, Switzerland April 5 - November 11 GENEVE COINTRIN, Switzerland April 1 - November 14

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