Naperville in March
5.5out of 10
Possible, with caveats
Cool: highs only around 9°C. Frequent rain: about 10 rainy days.
9°CAvg high
-1°CAvg low
10Rainy days (68 mm)
11:40 hDaylight
07:12Sunrise · 18:52 Sunset
Why this score
- Cool: highs only around 9°C
- Frequent rain: about 10 rainy days
- Nights fall to about -1°C
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rainfall in March is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -8°C | 54 mm | 8 | – | – | 4.0 |
| February | 2°C | -6°C | 50 mm | 7 | – | – | 4.5 |
| March | 9°C | -1°C | 68 mm | 10 | – | – | 5.5 |
| April | 16°C | 5°C | 112 mm | 12 | – | – | 6.3 |
| May | 22°C | 11°C | 118 mm | 13 | – | – | 7.2 |
| June | 27°C | 17°C | 109 mm | 12 | – | – | 7.4 |
| July | 29°C | 19°C | 95 mm | 11 | – | – | 7.6 |
| August | 27°C | 18°C | 92 mm | 10 | – | – | 7.7 |
| September | 24°C | 13°C | 77 mm | 9 | – | – | 7.9 |
| October | 17°C | 7°C | 80 mm | 9 | – | – | 7.1 |
| November | 9°C | 1°C | 64 mm | 8 | – | – | 5.8 |
| December | 3°C | -5°C | 55 mm | 8 | – | – | 4.4 |
Frequently asked questions
How hot is Naperville in March?
Daytime highs average 9°C and nights about -1°C.
When is the best time to visit Naperville?
The best months are September, August, July, June.