Norwalk, WI
Climate overview — based on NOAA 1991-2020 normals from CASHTON 3NNW, WI US.
Year-round temperatures (°F)
Climate summary
Norwalk has an annual average temperature of 45°F with about 36.7 inches of precipitation per year. The warmest month is July (average high 80.2°F), and the coldest is January (average low 8.1°F). June is typically the wettest month (5.41 in) and February the driest (1.00 in).
Best time to visit Norwalk
Full guide →Climate change signal
All-time records →360 of 366 (98.4%) of Norwalk's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 2010s | 160 | |
| 2020s | 206 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 25.9°F | 8.1°F | 17.0°F | 1.18 in | — | — |
| February | 30.6°F | 11.1°F | 20.9°F | 1.00 in | — | — |
| March | 41.8°F | 21.3°F | 31.6°F | 1.84 in | — | — |
| April | 55.8°F | 33.5°F | 44.7°F | 3.82 in | — | — |
| May | 67.6°F | 45.1°F | 56.4°F | 4.67 in | — | — |
| June | 77.2°F | 55.2°F | 66.2°F | 5.41 in | — | — |
| July | 80.2°F | 59.0°F | 69.6°F | 4.39 in | — | — |
| August | 78.6°F | 56.9°F | 67.8°F | 4.41 in | — | — |
| September | 72.0°F | 48.3°F | 60.2°F | 3.84 in | — | — |
| October | 58.5°F | 36.4°F | 47.5°F | 2.73 in | — | — |
| November | 43.7°F | 26.1°F | 34.9°F | 1.88 in | — | — |
| December | 31.1°F | 14.7°F | 22.9°F | 1.50 in | — | — |
Climate twins of Norwalk
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).