Frost Dates for Boswell, PA

Based on data from Laurel Summit weather station, 6 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. May 6
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 12
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 13
First Fall Frost October 7

Hard Freeze (28°F)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 24
40.16°N, -79.03°W © OpenStreetMap

Growing Season

159 Days May 6 to October 12

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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°C)

Learn more

Köppen Climate iThe 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

10° 30° 50° 70°
23°
High: 31°F
Avg: 23°F
Low: 14°F
Jan
25°
High: 34°F
Avg: 25°F
Low: 16°F
Feb
33°
High: 43°F
Avg: 33°F
Low: 23°F
Mar
45°
High: 56°F
Avg: 45°F
Low: 34°F
Apr
55°
High: 65°F
Avg: 55°F
Low: 45°F
May
62°
High: 71°F
Avg: 62°F
Low: 53°F
Jun
66°
High: 75°F
Avg: 66°F
Low: 58°F
Jul
65°
High: 74°F
Avg: 65°F
Low: 57°F
Aug
59°
High: 68°F
Avg: 59°F
Low: 51°F
Sep
49°
High: 58°F
Avg: 49°F
Low: 39°F
Oct
38°
High: 46°F
Avg: 38°F
Low: 29°F
Nov
28°
High: 35°F
Avg: 28°F
Low: 20°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 8.9"
4.4"
4.36"
Jan
4.6"
4.64"
Feb
6.0"
6.05"
Mar
6.5"
6.54"
Apr
7.8"
7.82"
May
8.9"
8.93"
Jun
8.5"
8.53"
Jul
7.7"
7.65"
Aug
6.3"
6.26"
Sep
6.5"
6.53"
Oct
5.7"
5.74"
Nov
5.0"
5.05"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h9.5h9h
Jan: 7:17 AM – 4:43 PM · 9h 27m
Feb: 6:46 AM – 5:14 PM · 10h 28m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:28 AM – 6:32 PM · 13h 04m
May: 4:53 AM – 7:07 PM · 14h 14m
Jun: 4:35 AM – 7:25 PM · 14h 51m
Jul: 4:42 AM – 7:18 PM · 14h 36m
Aug: 5:12 AM – 6:48 PM · 13h 36m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 54m
Nov: 7:08 AM – 4:52 PM · 9h 44m
Dec: 7:25 AM – 4:35 PM · 9h 09m
Daylight Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

Laurel Mtn, PA April 26 - October 17 Rector 3 Ssw, PAMay 5 - October 6 Hidden Valley, PA May 2 - October 17 Donegal 2 Nw, PA April 30 - October 17 Johnstown Cambria Co AP, PA April 29 - October 21 Mt Pleasant, PAMay 1 - October 13

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