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Weather Almanac: East Helena, MT 59635

🗓️ Historical norms for April

March May
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
April avg. precipitation
🌧️ 0.99"
April days below freezing
📉 ≈12.8 days
Average April lows 31°F – 35°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 8
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First Fall Frost (36°F)
🍂 Sep 14
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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: CANYON FERRY DAM (USC00241470)

Precipitation climatic data from weather station: CANYON FERRY DAM (USC00241470)

Agricultural climatic data from weather station: CANYON FERRY DAM (USC00241470)