Frost Dates for Port Allegany, PA

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. May 15
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 6
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 22
First Fall Frost October 1

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 20
41.82°N, -78.29°W © OpenStreetMap

Growing Season

144 Days May 15 to October 6

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 5b

Learn more

Temperature

10° 30° 50° 70°
22°
High: 31°
Avg: 22°
Low: 14°
Jan
24°
High: 34°
Avg: 24°
Low: 15°
Feb
33°
High: 43°
Avg: 33°
Low: 22°
Mar
44°
High: 57°
Avg: 44°
Low: 31°
Apr
55°
High: 68°
Avg: 55°
Low: 43°
May
64°
High: 76°
Avg: 64°
Low: 52°
Jun
68°
High: 80°
Avg: 68°
Low: 56°
Jul
66°
High: 78°
Avg: 66°
Low: 55°
Aug
60°
High: 71°
Avg: 60°
Low: 48°
Sep
48°
High: 59°
Avg: 48°
Low: 37°
Oct
38°
High: 47°
Avg: 38°
Low: 28°
Nov
28°
High: 36°
Avg: 28°
Low: 21°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.2"
2.5"
2.48"
Jan
2.4"
2.40"
Feb
3.5"
3.53"
Mar
4.5"
4.49"
Apr
4.7"
4.70"
May
5.1"
5.08"
Jun
5.2"
5.22"
Jul
4.7"
4.65"
Aug
4.2"
4.21"
Sep
3.7"
3.71"
Oct
3.1"
3.09"
Nov
2.7"
2.74"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h10h9h
Jan: 7:22 AM – 4:38 PM · 9h 17m
Feb: 6:49 AM – 5:11 PM · 10h 22m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:26 AM – 6:34 PM · 13h 08m
May: 4:49 AM – 7:11 PM · 14h 22m
Jun: 4:29 AM – 7:31 PM · 15h 01m
Jul: 4:37 AM – 7:23 PM · 14h 45m
Aug: 5:09 AM – 6:51 PM · 13h 41m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:35 AM – 5:25 PM · 10h 50m
Nov: 7:12 AM – 4:48 PM · 9h 35m
Dec: 7:31 AM – 4:29 PM · 8h 58m
Daylight Longest: 15h 03m · Shortest: 8h 57m

Nearby Stations

Coudersport 1 Sw, PA May 22 - October 1 Clermont 1 Nw, PA May 15 - October 3 Oswayo 1 Ene, PA May 20 - September 29 Coudersport 7se, PA May 14 - October 4 Bradford Rgnl AP, PA May 18 - October 1 Olean, NYMay 7 - October 11

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