Is Duluth sunnier than Sioux Lookout?

Duluth is the sunnier: about 2,261 hours of sunshine a year versus 2,060 — a difference of 201 hours.

Which is warmer, Duluth or Sioux Lookout?

Duluth is warmer across the year: average daytime highs of 9°C (48°F) versus 7°C.

Which is better in winter (November–February), Duluth or Sioux Lookout?

They are close in the November–February window: Duluth averages 0/100 (about -5°C days), Sioux Lookout 0/100 (about -9°C).

Duluth vs Sioux Lookout: which is sunnier?

🇺🇸 United States vs 🇨🇦 Canada · 364 km apart · long-term climate normals (NASA POWER, 2001–2020)

Duluth is the sunnier overall: about 2,261 hours of sunshine a year to Sioux Lookout's 2,060. Duluth has the higher Sunshine Score in 6 of 12 months; the other 6 are within 2 points.

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Duluth	Sioux Lookout
Sunshine hours / year	2,261	2,060
Sunniest month	September (77/100)	August (76/100)
Nov–Feb average score	0/100	0/100
Jun–Aug average score	75/100	72/100
Rain / year	733 mm	815 mm
Peak midday UV	7 (high)	6 (high)

Duluth vs Sioux Lookout month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Duluth	Sioux Lookout	Duluth	Sioux Lookout	Duluth	Sioux Lookout
January	0	0	-9°	-13°	19	33
February	0	0	-7°	-11°	23	28
March	0	0	1°	-2°	37	40
April	7	0	9°	7°	64	49
May	57	48	17°	16°	86	101
June	73	69	22°	21°	104	117
July	76	71	26°	24°	90	109
August	76	76	25°	23°	87	83
September	77	55	20°	17°	80	97
October	13	0	10°	8°	73	74
November	0	0	2°	-1°	35	47
December	0	0	-6°	-10°	35	37

The sunnier month by month: Jan even · Feb even · Mar even · Apr Duluth · May Duluth · Jun Duluth · Jul Duluth · Aug even · Sep Duluth · Oct Duluth · Nov even · Dec even.

When to pick which

November–February: too close to call — Duluth averages 0/100, Sioux Lookout 0/100. Duluth is the warmer, around -5°C daytime highs vs -9°C. See the winter sun ranking.
March–May: Duluth (average score 21/100 vs 16). Duluth is the warmer, around 9°C daytime highs vs 7°C.
June–August: Duluth (average score 75/100 vs 72). Daytime highs are similar (24°C vs 23°C).
September–October: Duluth (average score 45/100 vs 28). Duluth is the warmer, around 15°C daytime highs vs 13°C.

Full month-by-month guides: Duluth weather by month · Sioux Lookout weather by month · Best time to visit United States · Best time to visit Canada.

More comparisons: Duluth vs Minneapolis · Duluth vs Fargo · Duluth vs Rochester · Sioux Lookout vs Winnipeg · Sioux Lookout vs Thunder Bay · all head-to-heads