Normally the average weather in Duluth through July is 19 with usual highs being around 25 with low average temperatures being 16 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 19 |
| High Temperature | 25 |
| Low Temperature | 16 |
Useful Links: Duluth Weather: Average Weather & Yearly Climate