Duluth weather by month & the best time to visit
United States · small town · continental climate
_(cropped).jpg/960px-Downtown_Duluth%2C_Minnesota_Skyline_(25406820466)_(cropped).jpg)
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.
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 |
Nearest destinations
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
Duluth: questions and answers
What kind of destination is Duluth?
Duluth is a small town in United States at 431 m elevation with a continental climate.
How many hours of sunshine does Duluth get a year?
Duluth gets about 2,261 hours of sunshine a year, at its best around September.
When is the best time to visit Duluth?
The sunniest time to visit Duluth is September, when the Sunshine Score peaks at 77/100 (with July and August close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Duluth?
January is the least sunny month in Duluth, scoring 0/100 with about 19 mm of rain.
How strong is the sun in Duluth?
The typical midday UV index in Duluth peaks around 7 (high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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