Weather Almanac: Altadena, CA 91001

🌱 Growing Season

USDA Zone

10b

Annual extreme lows 35°F to 40°F

Last Spring Frost (36°F)

🌷 Jan 30

View full details

First Fall Frost (36°F)

🍂 Dec 23

View full details

🗓️ Monthly Weather Almanac

❄️ January

❤️ February

☘️ March

🌧️ April

🌷 May

👰 June

🎆 July

🏖️ August

📚 September

🎃 October

🦃 November

🎄 December

📚 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

📍 Zip Codes

91001 (Altadena, CA)

Temperature climatic data from weather station: PASADENA (USC00046719)

Precipitation climatic data from weather station: ALTADENA (USC00040144)

Agricultural climatic data from weather station: PASADENA (USC00046719)