Berks County, Pennsylvania · Frost dates
Berks County frost dates.
First-frost, last-frost, and growing-season length for Berks County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 04-26
- 20%
- 04-21
- 50%
- 04-10
- 80%
- 04-02
- 90%
- 03-29
First fall frost
- 10%
- 10-14
- 20%
- 10-19
- 50%
- 10-31
- 80%
- 11-09
- 90%
- 11-13
28°F — killing freeze
Last spring freeze
- 10%
- 04-12
- 20%
- 04-06
- 50%
- 03-30
- 80%
- 03-20
- 90%
- 03-15
First fall freeze
- 10%
- 10-27
- 20%
- 11-01
- 50%
- 11-11
- 80%
- 11-21
- 90%
- 11-28
Growing season length (days, 28°F threshold)
- Short year
- 198
- Median
- 226
- Long year
- 258
Source NOAA station
READING 4 NNW, PA US
0.9 mi · 30 yrs of record (1991–2020) · 360 ft elev.
Data from READING 4 NNW, PA US, 0.9 miles away with 30-year NOAA record (1991-2020).
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