Newton, IA Weather & Climate Normals
What a normal year in Newton actually looks like
On the 30-year record NOAA keeps for Newton, IA, the comfort score comes out to 43/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Newton's weather actually swings
Average temperatures in Newton run from 19°F in Jan up to 74°F in Jul, a 55°F seasonal swing, one of the widest gaps in this dataset.
Newton, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 28°F | 10°F | 0.93in | 9.2in |
| Feb | 33°F | 14°F | 1.1in | 6in |
| Mar | 46°F | 26°F | 2.06in | 4.5in |
| Apr | 60°F | 37°F | 3.44in | 0.8in |
| May | 71°F | 50°F | 4.84in | 0in |
| Jun | 81°F | 60°F | 5.01in | 0in |
| Jul | 85°F | 64°F | 3.93in | 0in |
| Aug | 83°F | 61°F | 4.3in | 0in |
| Sep | 76°F | 52°F | 3.59in | 0in |
| Oct | 63°F | 40°F | 2.66in | 0.3in |
| Nov | 47°F | 27°F | 2.01in | 1.6in |
| Dec | 34°F | 17°F | 1.27in | 6.3in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Newton's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Newton actually gets
Over a typical year, Newton sees about 35.14in of precipitation a year across roughly 98 days with measurable rain or snow, with 28.7in of snow a year.
Newton against the rest of the country
Out of 4876 cities scored here, Newton comes in at 4029; within IA alone it ranks 34 of 85. Population is about 15,709.
Checking the actual forecast
These figures come from Newton, IA US, the NOAA station 1.2 miles from Newton, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated