🌷 Your Ultimate Garden Calendar!

Weather Almanac: Littleton, CO 80127

🗓️ Historical norms for May

April June
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
May avg. precipitation
🌧️ 2.44"
May days below freezing
📉 ≈0.9 days
Average May lows 42°F – 46°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Jun 5
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First Fall Frost (36°F)
🍂 Sep 17
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📚 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: KASSLER (USC00054452)

Precipitation climatic data from weather station: KASSLER (USC00054452)

Agricultural climatic data from weather station: STRONTIA SPRINGS DAM (USC00058022)