Idaho Falls weather by month & the best time to visit
🇺🇸 United States · alpine / mountain town · hot-summer continental climate
The best time to visit Idaho Falls is July — its sunniest month (Sunshine Score 93/100), with August and June close behind. Idaho Falls averages about 2,995 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 19 mm of rain in July.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 2,995
- Sunniest month
- July
- Peak score
- 93/100
- Rain / year
- 543 mm
- Snow / year
- ≈1.8 m
- Midday UV at peak
- 9 (very high)
- Population
- 59k
- Elevation
- 1,441 m
When is the best time to visit Idaho Falls?
For sunshine, the best time to visit Idaho Falls is July, then August and June. The dullest month is January (0/100, 57 mm of rain). The full month-by-month picture is in the table below.
How sunny is Idaho Falls?
Idaho Falls gets a lot of sun: around 2,995 hours a year. 93 Sunshine Score points separate July (93) from January (0), so the month you pick matters. It ranks #88 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 543 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 | -1° / 30°F | -11° / 12°F | 57 mm | 1 |
| February | 0 | 1° / 34°F | -9° / 16°F | 48 mm | 2 |
| March | 0 | 8° / 46°F | -3° / 27°F | 51 mm | 4 |
| April | 36 | 13° / 55°F | 0° / 32°F | 56 mm | 6 |
| May | 80 | 19° / 66°F | 5° / 41°F | 54 mm | 7 |
| June | 89 | 25° / 77°F | 10° / 50°F | 42 mm | 9 |
| July | 93 | 32° / 90°F | 15° / 59°F | 19 mm | 9 |
| August | 92 | 30° / 86°F | 14° / 57°F | 25 mm | 8 |
| September | 89 | 24° / 75°F | 9° / 48°F | 40 mm | 6 |
| October | 44 | 14° / 57°F | 2° / 36°F | 45 mm | 4 |
| November | 0 | 6° / 43°F | -4° / 25°F | 47 mm | 2 |
| December | 0 | 0° / 32°F | -10° / 14°F | 59 mm | 1 |
See Idaho Falls on the interactive sunshine globe →
Nearby places for sunshine
- Jackson Hole United States · 108 km · best in Jul · 2,836 h sun/yr
- Bozeman United States · 262 km · best in Jul · 2,641 h sun/yr
- Salt Lake City United States · 303 km · best in Aug · 3,123 h sun/yr
- Boise United States · 335 km · best in Sep · 2,989 h sun/yr
- Provo United States · 368 km · best in Jun · 3,122 h sun/yr
- Billings United States · 378 km · best in Jul · 2,701 h sun/yr
Nearest destinations
- Pocatello United States · 80 km · 2,918 h sun/yr · best in Aug
- West Yellowstone United States · 151 km · 2,635 h sun/yr · best in Jul
- Hailey United States · 179 km · 3,068 h sun/yr · best in Jul
- Twin Falls United States · 228 km · 3,018 h sun/yr · best in Jun
- Salmon United States · 230 km · 2,775 h sun/yr · best in Jul
Head-to-head
How Idaho Falls compares month by month: Idaho Falls vs Salt Lake City · Idaho Falls vs Provo · Idaho Falls vs Boise · Idaho Falls vs Bozeman · all comparisons
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