Julian Pennsylvania Climate Data

Monthly Average Climate Data for Julian Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.4 °F35.2 °F2.93 in.
February19.4 °F38.3 °F2.42 in.
March26.3 °F47.1 °F3.36 in.
April36.5 °F60.6 °F3.61 in.
May47.0 °F71.0 °F3.99 in.
June56.0 °F78.8 °F4.05 in.
July60.2 °F83.2 °F3.97 in.
August58.6 °F81.4 °F3.93 in.
September51.1 °F74.4 °F4.12 in.
October40.0 °F62.5 °F3.73 in.
November30.8 °F50.6 °F2.95 in.
December23.8 °F39.5 °F3.15 in.
Annual39 °F60.2 °F42.21 in.

Climate Data for Julian Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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