Duluth weather by month & the best time to visit
🇺🇸 United States · small town · continental climate
The best time to visit Duluth is September — its sunniest month (Sunshine Score 77/100), with July and August close behind. Duluth averages about 2,261 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 80 mm of rain in September.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 2,261
- Sunniest month
- September
- Peak score
- 77/100
- Rain / year
- 733 mm
- Snow / year
- ≈1.9 m
- Midday UV at peak
- 7 (high)
- Population
- 86k
- Elevation
- 431 m
_(cropped).jpg/960px-Downtown_Duluth%2C_Minnesota_Skyline_(25406820466)_(cropped).jpg)
When is the best time to visit Duluth?
For sunshine, the best time to visit Duluth is September, then July and August. The dullest month is January (0/100, 19 mm of rain). The full month-by-month picture is in the table below.
How sunny is Duluth?
Duluth gets a moderate 2,261 hours of sunshine a year. 77 Sunshine Score points separate September (77) from January (0), so the month you pick matters. It ranks #296 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 733 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -9° / 16°F | -19° / -2°F | 19 mm | 1 |
| February | 0 | -7° / 19°F | -17° / 1°F | 23 mm | 2 |
| March | 0 | 1° / 34°F | -9° / 16°F | 37 mm | 3 |
| April | 7 | 9° / 48°F | -2° / 28°F | 64 mm | 4 |
| May | 57 | 17° / 63°F | 5° / 41°F | 86 mm | 5 |
| June | 73 | 22° / 72°F | 11° / 52°F | 104 mm | 6 |
| July | 76 | 26° / 79°F | 15° / 59°F | 90 mm | 7 |
| August | 76 | 25° / 77°F | 13° / 55°F | 87 mm | 6 |
| September | 77 | 20° / 68°F | 9° / 48°F | 80 mm | 4 |
| October | 13 | 10° / 50°F | 1° / 34°F | 73 mm | 2 |
| November | 0 | 2° / 36°F | -6° / 21°F | 35 mm | 1 |
| December | 0 | -6° / 21°F | -14° / 7°F | 35 mm | 1 |
See Duluth on the interactive sunshine globe →
Nearby places for sunshine
- Minneapolis United States · 232 km · best in Sep · 2,337 h sun/yr
- Thunder Bay Canada · 275 km · best in Aug · 1,985 h sun/yr
- Rochester (Minnesota) United States · 327 km · best in Jul · 2,340 h sun/yr
- Fargo United States · 351 km · best in Aug · 2,543 h sun/yr
- Sioux Lookout Canada · 364 km · best in Aug · 2,060 h sun/yr
- Appleton United States · 406 km · best in Jul · 2,243 h sun/yr
Nearest destinations
- Hibbing United States · 77 km · 2,154 h sun/yr · best in Sep
- Brainerd United States · 155 km · 2,324 h sun/yr · best in Sep
- Ironwood United States · 162 km · 2,052 h sun/yr · best in Aug
- Saint Cloud United States · 203 km · 2,423 h sun/yr · best in Sep
- International Falls United States · 212 km · 2,142 h sun/yr · best in Aug
Head-to-head
How Duluth compares month by month: Duluth vs Minneapolis · Duluth vs Fargo · Duluth vs Rochester (Minnesota) · Duluth vs Thunder Bay · all comparisons
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