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Weather Almanac: Rock Springs, WY 82901

🗓️ Historical norms for December

November January
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
December avg. precipitation
🌧️ 0.50"
December days below freezing
📉 ≈30.8 days
Average December lows 9°F – 16°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Jun 14
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First Fall Frost (36°F)
🍂 Sep 7
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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: ROCK SPRINGS AP (USW00024027)

Precipitation climatic data from weather station: ROCK SPRINGS AP (USW00024027)

Agricultural climatic data from weather station: ALLEN'S RCH (USC00420050)