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Weather Almanac: Castella, CA 96017

🗓️ Historical norms for April

March May
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
April avg. precipitation
🌧️ 4.43"
April days below freezing
📉 ≈5.3 days
Average April lows 35°F – 39°F
USDA Zone
8b
Annual extreme lows 15°F to 20°F
Last Spring Frost (36°F)
🌷 May 18
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First Fall Frost (36°F)
🍂 Oct 3
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Book Recommendations (ads!)

📚 Month-by-Month Gardening California: What to Do Each Month to Have a Beautiful Garden All Year

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 California Gardener's Handbook: Your Complete Guide: Select - Plan - Plant - Maintain - Problem-solve

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: DUNSMUIR TRTMNT PLT (USC00042574)

Precipitation climatic data from weather station: DUNSMUIR TRTMNT PLT (USC00042574)

Agricultural climatic data from weather station: DUNSMUIR TRTMNT PLT (USC00042574)