Frost Dates for RISTNA, Estonia

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 3
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. November 29

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 8
First Fall Frost November 21

Hard Freeze (−2°C)

Last Spring Hard Freeze March 15
First Fall Hard Freeze December 7
58.92°N, 22.07°E © OpenStreetMap

Growing Season

240 Days April 3 to November 29

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 8a

Avg. annual minimum: −12 to −9°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
January1°0°-1°
February0°-1°-2°
March1°0°-1°
April4°3°3°
May9°8°7°
June13°13°12°
July18°17°16°
August18°17°17°
September15°14°13°
October10°9°8°
November6°5°4°
December3°2°1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January64
February36
March23
April13
May28
June53
July56
August74
September71
October84
November76
December79

Sunrise / Sunset

Daylight Longest: 18h 08m · Shortest: 5h 52m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:41 AM3:19 PM6h 38m
February7:32 AM4:28 PM8h 55m
March6:19 AM5:41 PM11h 23m
April4:56 AM7:04 PM14h 08m
May3:43 AM8:17 PM16h 35m
June2:57 AM9:03 PM18h 05m
July3:17 AM8:43 PM17h 27m
August4:24 AM7:36 PM15h 12m
September5:45 AM6:15 PM12h 29m
October7:05 AM4:55 PM9h 50m
November8:21 AM3:39 PM7h 19m
December9:03 AM2:57 PM5h 54m

Nearby Stations

VILSANDI, Estonia April 22 - November 9 KURESSAARE-ROOMASSAA, Estonia April 20 - November 6 VIRTSU, Estonia April 19 - November 8 LAANE-NIGULA, Estonia April 28 - October 26 PARAINEN UTO, Finland April 7 - November 27 KEMIONSAARI VANO, Finland April 11 - November 20

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