Salt Lake City vs Idaho Falls: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 303 km apart · long-term climate normals (NASA POWER, 2001–2020)
Salt Lake City is the sunnier overall: about 3,123 hours of sunshine a year to Idaho Falls's 2,995. Salt Lake City has the higher Sunshine Score in 6 of 12 months, Idaho Falls in 1 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Salt Lake City | Idaho Falls | |
|---|---|---|
| Sunshine hours / year | 3,123 | 2,995 |
| Sunniest month | August (93/100) | July (93/100) |
| Nov–Feb average score | 4/100 | 0/100 |
| Jun–Aug average score | 87/100 | 91/100 |
| Rain / year | 542 mm | 543 mm |
| Peak midday UV | 9 (very high) | 9 (very high) |
Salt Lake City vs Idaho Falls month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Salt Lake City | Idaho Falls | Salt Lake City | Idaho Falls | Salt Lake City | Idaho Falls | |
| January | 0 | 0 | 3° | -1° | 55 | 57 |
| February | 0 | 0 | 5° | 1° | 45 | 48 |
| March | 22 | 0 | 11° | 8° | 54 | 51 |
| April | 50 | 36 | 15° | 13° | 66 | 56 |
| May | 87 | 80 | 21° | 19° | 58 | 54 |
| June | 92 | 89 | 28° | 25° | 30 | 42 |
| July | 76 | 93 | 34° | 32° | 16 | 19 |
| August | 93 | 92 | 32° | 30° | 24 | 25 |
| September | 91 | 89 | 26° | 24° | 38 | 40 |
| October | 74 | 44 | 18° | 14° | 46 | 45 |
| November | 15 | 0 | 10° | 6° | 46 | 47 |
| December | 0 | 0 | 3° | 0° | 64 | 59 |
The sunnier month by month: Jan even · Feb even · Mar Salt Lake City · Apr Salt Lake City · May Salt Lake City · Jun Salt Lake City · Jul Idaho Falls · Aug even · Sep even · Oct Salt Lake City · Nov Salt Lake City · Dec even.
When to pick which
- November–February: Salt Lake City (average score 4/100 vs 0). Salt Lake City is the warmer, around 5°C daytime highs vs 2°C. See the winter sun ranking.
- March–May: Salt Lake City (average score 53/100 vs 39). Salt Lake City is the warmer, around 16°C daytime highs vs 13°C.
- June–August: Idaho Falls (average score 91/100 vs 87). Salt Lake City is the warmer, around 31°C daytime highs vs 29°C.
- September–October: Salt Lake City (average score 83/100 vs 67). Salt Lake City is the warmer, around 22°C daytime highs vs 19°C.
Full month-by-month guides: Salt Lake City weather by month · Idaho Falls weather by month · Best time to visit United States.
More comparisons: Salt Lake City vs Provo · Salt Lake City vs Jackson · Idaho Falls vs Provo · Idaho Falls vs Boise · Idaho Falls vs Bozeman · all head-to-heads