Weather in Naperville, Illinois, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -7°C | 0°C | 63.9 mm | 71% | 37.5 km/h |
| February | -7°C | 3°C | 49.5 mm | 57% | 41.0 km/h |
| March | 1°C | 11°C | 98.2 mm | 62% | 45.6 km/h |
| April | 5°C | 16°C | 91.2 mm | 63% | 46.9 km/h |
| May | 11°C | 22°C | 103.8 mm | 62% | 40.1 km/h |
| June | 17°C | 28°C | 117.4 mm | 50% | 39.5 km/h |
| July | 19°C | 28°C | 112.7 mm | 55% | 33.1 km/h |
| August | 18°C | 28°C | 76.6 mm | 51% | 33.1 km/h |
| September | 14°C | 25°C | 62.6 mm | 44% | 33.1 km/h |
| October | 8°C | 19°C | 81.5 mm | 48% | 39.5 km/h |
| November | 1°C | 10°C | 51.5 mm | 57% | 40.5 km/h |
| December | -4°C | 4°C | 61.5 mm | 71% | 39.8 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.4% | |
| March | 0.6% | |
| April | 7.3% | |
| May | 22.8% | |
| June | 37.1% | |
| July | 31.8% | |
| August | 36.6% | |
| September | 46.9% | |
| October | 18.6% | |
| November | 2.2% | |
| December | 0.0% |
About this location and data
- Population
- 147,100
- Elevation
- 214 m
- Coordinates
- 41.79°N, 88.15°W
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: