Des Moines,IA Averages
Temperature
Monthly
Average HIGHS/LOWS: Jan: 31.F/14.F, Feb:36.F/18.F, Mar: 49.F/29.F, Apr: 62.F/41.F, May: 72.F/50.F, Jun: 82.F/59.F, Jul: 86.F/63.F, Aug: 84.F/61.F, Sept: 76.F/52.F, Oct: 63.F/40.F, Nov: 52.F/30.F, Dec: 34.F/18.F
Yearly average days with highs at or above 90: 21 days
Yearly average days with highs at or above 100: 1 day
Yearly average days with low temps below zero: 12 days
Precipitation
Monthly:
Average Water Precipitation: Jan: 1.02", Feb: 1.31", Mar: 2.33", Apr:
3.80", May: 4.68", Jun: 4.97", Jul: 4.48", Aug: 4.20", Sept: 3.04", Oct:
2.68", Nov: 2.19" Dec: 1.50"
Monthly Average Snowfall: Oct: 0.10", Nov: 1.20", Dec: 6.0", Jan: 6.40", Feb: 7.50" Mar: 4.30" Apr: 1.10"
Yearly Rainfall 36.20"
Yearly Snowfall: 27.00"
Yearly Average Thunderstorm Days: 50
Ames,IA Averages
Temperature
Monthly Average HIGHS/LOWS: Jan: 29.F/10.F, Feb: 34.F/15.F, Mar: 46.F/25.F, Apr: 61.F/37.F, May: 71.F/48.F, Jun: 80.F/59.F, Jul: 84.F/63.F, Aug: 82.F/60.F, Sept: 76.F/50.F, Oct: 63.F/39.F, Nov: 48.F/27.F, Dec: 33.F/15.F
Yearly average days with highs at or above 90: 14 days
Yearly average days with low temps below zero: 18 days
Precipitation
Monthly: Average Water Precipitation: Jan: 0.86", Feb: 1.04", Mar: 2.30", Apr: 3.55", May: 4.81", Jun: 5.23", Jul: 4.84", Aug: 4.78", Sept: 3.28", Oct: 2.57", Nov: 2.28" Dec: 1.27"
Monthly Average Snowfall: Oct: 0.30", Nov: 2.10", Dec: 8.0", Jan: 7.80", Feb: 7.60" Mar: 4.20" Apr: 1.0"
Yearly Rainfall 36.80"
Yearly Snowfall: 31.0"
Yearly Average Thunderstorm Days: 40
Marshalltown,IA Average
Source: U.S. Climate Data
Temperature Jan: 28.F/9.F, Feb: 33.F/14.F, Mar;
45.F/26.F, Apr: 60.F/37.F, May: 71.F/49.F, Jun: 80.F/58.F, Jul:
84.F/63.F, Aug: 82.F/60.F, Sept: 75.F/50.F, Oct: 62.F/38.F,
Nov: 46.F/27.F, Dec: 32.F/14.F
Yearly average days with highs at or above 90: 15 days
Yearly average days with low temps below zero: 21 days
Precipitation
Monthly:
Average Water Precipitation: Jan: 0.86", Feb: 1.00", Mar: 2.27", Apr:
3.63", May: 4.76", Jun: 5.57", Jul: 4.99", Aug: 4.54", Sept: 3.73", Oct:
2.65", Nov: 2.16" Dec: 1.25"
Monthly Average Snowfall: Oct: 0.10", Nov: 1.70", Dec: 7.50", Jan: 7.30", Feb: 5.70" Mar: 4.20" Apr: 0.70"
Yearly Rainfall 37.42"
Yearly Snowfall: 27.30"
Yearly Average Thunderstorm Days: 45
Links
Information above came from the NWS site in Quad Cities and Des Monies and other sources. For more detailed information and the info found above please visit NWS Des Monies
