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Weather Almanac: Saint Marys, PA 15857

🗓️ Historical norms for August

July September
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
August avg. precipitation
🌧️ 4.24"
August days below freezing
📉 ≈0.0 days
Average August lows ≈54.5°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Jun 6
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First Fall Frost (36°F)
🍂 Sep 14
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Book Recommendations (ads!)

📚 Pennsylvania Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year

📚 Mid-Atlantic Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Mid-Atlantic Garden

📚 The Timber Press Guide to Vegetable Gardening in the Northeast

F: Forecast
H: Normal High Temp
L: Normal Low Temp
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: GLEN HAZEL 2 NE DAM (USC00363311)

Precipitation climatic data from weather station: GLEN HAZEL 2 NE DAM (USC00363311)

Agricultural climatic data from weather station: RIDGWAY (USC00367477)