Frost Dates for Flemington, PA

Based on data from Lock Haven Sewage Plt weather station, 2 miles away

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. April 30
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. October 20
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 May 6
First Fall Frost October 13

Hard Freeze (28°F)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 1
41.13°N, -77.47°W © OpenStreetMap

Growing Season

173 Days April 30 to October 20

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 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°C)

Learn more

Köppen Climate iThe 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

10° 30° 50° 70° 90°
27°
High: 35°F
Avg: 27°F
Low: 18°F
Jan
29°
High: 38°F
Avg: 29°F
Low: 19°F
Feb
37°
High: 48°F
Avg: 37°F
Low: 27°F
Mar
49°
High: 62°F
Avg: 49°F
Low: 36°F
Apr
60°
High: 73°F
Avg: 60°F
Low: 47°F
May
69°
High: 80°F
Avg: 69°F
Low: 57°F
Jun
73°
High: 85°F
Avg: 73°F
Low: 61°F
Jul
71°
High: 83°F
Avg: 71°F
Low: 60°F
Aug
64°
High: 76°F
Avg: 64°F
Low: 53°F
Sep
52°
High: 64°F
Avg: 52°F
Low: 41°F
Oct
41°
High: 51°F
Avg: 41°F
Low: 31°F
Nov
32°
High: 40°F
Avg: 32°F
Low: 24°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.2"
3.2"
3.23"
Jan
3.2"
3.24"
Feb
4.6"
4.61"
Mar
4.8"
4.84"
Apr
4.9"
4.86"
May
5.3"
5.32"
Jun
6.0"
5.96"
Jul
6.2"
6.22"
Aug
5.5"
5.49"
Sep
4.1"
4.09"
Oct
3.8"
3.77"
Nov
3.6"
3.57"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:19 AM – 4:41 PM · 9h 21m
Feb: 6:48 AM – 5:12 PM · 10h 25m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:27 AM – 6:33 PM · 13h 07m
May: 4:51 AM – 7:09 PM · 14h 18m
Jun: 4:32 AM – 7:28 PM · 14h 57m
Jul: 4:39 AM – 7:21 PM · 14h 41m
Aug: 5:11 AM – 6:49 PM · 13h 39m
Sep: 5:52 AM – 6:08 PM · 12h 15m
Oct: 6:34 AM – 5:26 PM · 10h 52m
Nov: 7:11 AM – 4:49 PM · 9h 39m
Dec: 7:29 AM – 4:31 PM · 9h 03m
Daylight Longest: 14h 58m · Shortest: 9h 02m

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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