Frost Dates for Castanea, PA

Based on data from Lock Haven Sewage Plt weather station, 0 miles away

Elevation: 597 ft

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 30
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 20

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 May 6
First Fall Frost October 13

Hard Freeze (28°F)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 1
41.12°N, 77.43°W © OpenStreetMap

Growing Season

173 Days April 30 to October 20

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: −5 to 0°F

Learn more

Köppen Climate

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

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January35°27°18°
February38°29°19°
March48°37°27°
April62°49°36°
May73°60°47°
June80°69°57°
July85°73°61°
August83°71°60°
September76°64°53°
October64°52°41°
November51°41°31°
December40°32°24°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.2
February3.2
March4.6
April4.8
May4.9
June5.3
July6.0
August6.2
September5.5
October4.1
November3.8
December3.6

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 58m · Shortest: 9h 02m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:39 AM4:60 PM9h 21m
February7:12 AM5:37 PM10h 25m
March7:29 AM7:10 PM11h 40m
April6:37 AM7:43 PM13h 07m
May5:57 AM8:15 PM14h 18m
June5:41 AM8:38 PM14h 57m
July5:55 AM8:36 PM14h 41m
August6:24 AM8:03 PM13h 39m
September6:56 AM7:12 PM12h 15m
October7:29 AM6:21 PM10h 52m
November7:05 AM4:44 PM9h 39m
December7:34 AM4:37 PM9h 03m

Nearby Stations

Millheim, PAMay 5 - October 6 Laurelton Ctr, PA April 25 - October 19 Renovo, PAApril 30 - October 22 Williamsport 2, PA April 25 - October 24 Clarence, PAMay 21 - September 27 Williamsport, PA April 24 - October 23

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