Frost Dates for MERSRAGS, Latvia

Elevation: 6 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 12
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 9

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 18
First Fall Frost November 1

Hard Freeze (−2°C)

Last Spring Hard Freeze April 2
First Fall Hard Freeze November 24
57.35°N, 23.12°E © OpenStreetMap

Growing Season

211 Days April 12 to November 9

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 7b

Avg. annual minimum: −15 to −12°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°-1°-3°
February0°-2°-4°
March3°1°-2°
April8°5°2°
May14°11°7°
June18°15°12°
July21°18°15°
August20°18°15°
September16°14°11°
October10°8°6°
November5°4°2°
December2°0°-1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January41
February25
March23
April46
May48
June69
July74
August76
September61
October74
November51
December41

Sunrise / Sunset

Daylight Longest: 17h 41m · Shortest: 6h 19m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:30 AM3:30 PM7h 01m
February7:27 AM4:33 PM9h 07m
March6:18 AM5:42 PM11h 25m
April5:00 AM6:60 PM13h 60m
May3:52 AM8:08 PM16h 17m
June3:11 AM8:49 PM17h 38m
July3:28 AM8:32 PM17h 04m
August4:30 AM7:30 PM15h 00m
September5:46 AM6:14 PM12h 28m
October7:01 AM4:59 PM9h 58m
November8:11 AM3:49 PM7h 38m
December8:49 AM3:11 PM6h 21m

Nearby Stations

KOLKA, Latvia April 14 - November 14 RIGA, LatviaApril 19 - October 30 SALDUS, Latvia April 27 - October 23 SORVE, Latvia April 13 - November 18 AINAZI, Estonia April 25 - October 26 KIHNU, Estonia April 11 - November 17

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