Frost Dates for SIEDLCE, Poland

Elevation: 146 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 16
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. October 28

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 21
First Fall Frost October 20

Hard Freeze (−2°C)

Last Spring Hard Freeze April 3
First Fall Hard Freeze November 10
52.25°N, 22.25°E © OpenStreetMap

Growing Season

195 Days April 16 to October 28

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 6b

Avg. annual minimum: −21 to −18°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

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
January0°-2°-5°
February1°-1°-4°
March6°2°-1°
April13°8°4°
May18°14°9°
June21°17°13°
July23°19°15°
August23°19°15°
September18°14°10°
October12°9°6°
November6°4°1°
December1°-1°-3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January46
February41
March48
April51
May79
June81
July84
August74
September69
October51
November43
December38

Sunrise / Sunset

Daylight Longest: 16h 33m · Shortest: 7h 28m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:01 AM3:59 PM7h 59m
February7:11 AM4:49 PM9h 38m
March6:15 AM5:45 PM11h 31m
April5:11 AM6:49 PM13h 39m
May4:16 AM7:44 PM15h 29m
June3:45 AM8:15 PM16h 31m
July3:58 AM8:02 PM16h 05m
August4:46 AM7:14 PM14h 28m
September5:49 AM6:11 PM12h 23m
October6:50 AM5:10 PM10h 19m
November7:47 AM4:13 PM8h 27m
December8:15 AM3:45 PM7h 29m

Nearby Stations

BREST, Belarus April 21 - October 22 BIALYSTOK, Poland April 23 - October 24 WLODAWA, Poland April 17 - October 25 SVITYAZ, Ukraine April 14 - October 26

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