🌷 Your Ultimate Garden Calendar!

Weather Almanac: Helena, MT 59623

🗓️ Historical norms for March

February April
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
March avg. precipitation
🌧️ 0.59"
March days below freezing
📉 ≈25.4 days
Average March lows 20°F – 28°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 4
View full details
First Fall Frost (36°F)
🍂 Sep 10
View full details

Book Recommendations (ads!)

📚 Rocky Mountain Month-By-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year - Colorado, Idaho, Montana, Utah, Wyoming

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: HELENA RGNL AP (USW00024144)

Precipitation climatic data from weather station: HELENA RGNL AP (USW00024144)

Agricultural climatic data from weather station: HELENA RGNL AP (USW00024144)