New London Iowa Climate Data

Monthly Average Climate Data for New London Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.4 °F31.9 °F1.55 in.
February19.1 °F36.6 °F1.84 in.
March29.2 °F49.3 °F2.44 in.
April40.3 °F62.4 °F3.74 in.
May52.2 °F72.9 °F5.11 in.
June61.8 °F82.0 °F4.82 in.
July65.3 °F85.3 °F4.08 in.
August63.1 °F83.9 °F3.85 in.
September54.4 °F77.7 °F3.76 in.
October42.9 °F64.8 °F2.86 in.
November31.3 °F49.5 °F2.24 in.
December21.3 °F37.1 °F1.84 in.
Annual41.4 °F61.1 °F38.13 in.

Climate Data for New London Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation