Spencer, IA Weather & Climate Normals
Spencer's real weather, in one number
Spencer, IA scores 41/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Spencer's hottest and coldest months
Spencer's hottest month is Jul, averaging 73°F; its coldest is Jan, averaging 16°F, a 56.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Spencer
Spencer averages 30.99in of precipitation a year across roughly 101 days with measurable rain or snow, and 43.3in of snow a year.
Where Spencer ranks
Spencer ranks 4416 of 4876 US cities in this dataset for comfort score, and 64 of 85 within IA. About 11,418 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from SPENCER 1 N, IA US, 1.3 miles from Spencer, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure