Is Idaho Falls sunnier than Bozeman?

Idaho Falls is the sunnier: about 2,995 hours of sunshine a year versus 2,641 — a difference of 354 hours.

Which is warmer, Idaho Falls or Bozeman?

Year-round daytime highs are similar: Idaho Falls averages 14°C (57°F), Bozeman 13°C (55°F).

Which is better in winter (November–February), Idaho Falls or Bozeman?

They are close in the November–February window: Idaho Falls averages 0/100 (about 2°C days), Bozeman 0/100 (about 1°C).

Idaho Falls vs Bozeman: which is sunnier?

🇺🇸 United States vs 🇺🇸 United States · 262 km apart · long-term climate normals (NASA POWER, 2001–2020)

Idaho Falls is the sunnier overall: about 2,995 hours of sunshine a year to Bozeman's 2,641. Idaho Falls 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

	Idaho Falls	Bozeman
Sunshine hours / year	2,995	2,641
Sunniest month	July (93/100)	July (88/100)
Nov–Feb average score	0/100	0/100
Jun–Aug average score	91/100	85/100
Rain / year	543 mm	591 mm
Peak midday UV	9 (very high)	8 (very high)

Idaho Falls vs Bozeman month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Idaho Falls	Bozeman	Idaho Falls	Bozeman	Idaho Falls	Bozeman
January	0	0	-1°	0°	57	36
February	0	0	1°	1°	48	39
March	0	0	8°	7°	51	46
April	36	27	13°	12°	56	68
May	80	67	19°	18°	54	78
June	89	79	25°	24°	42	83
July	93	88	32°	30°	19	35
August	92	88	30°	28°	25	35
September	89	87	24°	22°	40	42
October	44	36	14°	13°	45	49
November	0	0	6°	5°	47	40
December	0	0	0°	-1°	59	40

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

When to pick which

November–February: too close to call — Idaho Falls averages 0/100, Bozeman 0/100. Daytime highs are similar (2°C vs 1°C). See the winter sun ranking.
March–May: Idaho Falls (average score 39/100 vs 31). Daytime highs are similar (13°C vs 12°C).
June–August: Idaho Falls (average score 91/100 vs 85). Idaho Falls is the warmer, around 29°C daytime highs vs 27°C.
September–October: Idaho Falls (average score 67/100 vs 62). Daytime highs are similar (19°C vs 18°C).

Full month-by-month guides: Idaho Falls weather by month · Bozeman weather by month · Best time to visit United States.

More comparisons: Idaho Falls vs Salt Lake City · Idaho Falls vs Provo · Idaho Falls vs Boise · Bozeman vs Billings · Bozeman vs Missoula · Bozeman vs Great Falls · all head-to-heads