Idaho Falls weather in July: Idaho Falls, Idaho: normal highs, lows, rain and records for July
Idaho Falls in July has a normal high of 87°F and a normal low of 49°F, a daily mean of 68°F, rising from 82°F on the 1st to 89°F by the 31st. Measurable precipitation falls on 4 days in a normal July, 0.46 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 10°C, 12 mm of precipitation in July.
- NOAA stationIdaho Falls Fanning Field
- Station IDUSW00024145
- Location43.52°N 112.07°W
- Elevation4,729 ft (1,441 m)
- Population69,523
- Jan 29° 12°
- Feb 34° 16°
- Mar 47° 25°
- Apr 58° 31°
- May 67° 38°
- Jun 76° 45°
- Jul 87° 49°
- Aug 86° 48°
- Sep 75° 41°
- Oct 59° 31°
- Nov 43° 22°
- Dec 30° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Idaho Falls in July?
The normal high is 87°F and the normal low 49°F, for a daily mean of 68.0°F. July is 7.6°F warmer than June and 1.5°F warmer than August. July is the warmest month of the year in Idaho Falls and the 12th wettest. Across the month the normal high rises 7°F, from 82°F on July 1 to 89°F on July 31. From one year to the next July's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Julys in three average between 65°F and 71°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 82°F | 47°F | 15% | 6% |
| July 8 | 85°F | 48°F | 14% | 5% |
| July 15 | 87°F | 50°F | 13% | 5% |
| July 22 | 89°F | 50°F | 14% | 5% |
| July 31 | 89°F | 50°F | 15% | 6% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 26, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 82°F | 47°F | 15% | 6% | 15 h 20 min |
| July 2 | 82°F | 47°F | 15% | 6% | 15 h 20 min |
| July 3 | 83°F | 48°F | 15% | 5% | 15 h 20 min |
| July 4 | 83°F | 48°F | 14% | 5% | 15 h 20 min |
| July 5 | 84°F | 48°F | 14% | 5% | 15 h 20 min |
| July 6 | 84°F | 48°F | 14% | 5% | 15 h 20 min |
| July 7 | 84°F | 48°F | 14% | 5% | 15 h 20 min |
| July 8 | 85°F | 48°F | 14% | 5% | 15 h 20 min |
| July 9 | 85°F | 49°F | 13% | 5% | 15 h 20 min |
| July 10 | 86°F | 49°F | 13% | 5% | 15 h 10 min |
| July 11 | 86°F | 49°F | 13% | 5% | 15 h 10 min |
| July 12 | 86°F | 49°F | 13% | 5% | 15 h 10 min |
| July 13 | 86°F | 49°F | 13% | 5% | 15 h 10 min |
| July 14 | 87°F | 49°F | 13% | 5% | 15 h 10 min |
| July 15 | 87°F | 50°F | 13% | 5% | 15 h 10 min |
| July 16 | 87°F | 50°F | 13% | 5% | 15 h 10 min |
| July 17 | 88°F | 50°F | 13% | 5% | 15 h |
| July 18 | 88°F | 50°F | 14% | 5% | 15 h |
| July 19 | 88°F | 50°F | 14% | 5% | 15 h |
| July 20 | 88°F | 50°F | 14% | 5% | 15 h |
| July 21 | 88°F | 50°F | 14% | 5% | 15 h |
| July 22 | 89°F | 50°F | 14% | 5% | 15 h |
| July 23 | 89°F | 50°F | 14% | 5% | 14 h 50 min |
| July 24 | 89°F | 50°F | 14% | 5% | 14 h 50 min |
| July 25 | 89°F | 50°F | 14% | 5% | 14 h 50 min |
| July 26 | 89°F | 50°F | 15% | 5% | 14 h 50 min |
| July 27 | 89°F | 50°F | 15% | 5% | 14 h 50 min |
| July 28 | 89°F | 50°F | 15% | 5% | 14 h 40 min |
| July 29 | 89°F | 50°F | 15% | 6% | 14 h 40 min |
| July 30 | 89°F | 50°F | 15% | 6% | 14 h 40 min |
| July 31 | 89°F | 50°F | 15% | 6% | 14 h 40 min |
- Normal high
- 87°FJuly average
- Normal low
- 49°FJuly average
- Precipitation
- 0.46 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 13
- Daylight
- 15 h 20 min to 14 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 27
- Sunshine
- 90%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024145; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Idaho Falls in July?
On a given July day the chance of 0.01 inch or more is 14% on average, highest around July 1 (15%). In all, 0.46 in falls on 4 days of a normal July.
In a normal July in Idaho Falls, 13 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024145.
What are the records for July in Idaho Falls?
The warmest July temperature on this station's record (since 1948) is 103°F, on July 12, 2026; the coldest is 33°F, on July 6, 1986. The wettest July brought 1.89 in (1987).
The July mean against the 1991-2020 normal of 68.0°F: 2021 72.4°F (+4.4), 2022 72.2°F (+4.2), 2023 71.7°F (+3.7), 2024 71.1°F (+3.1), 2025 70.1°F (+2.1), 2026 73.4°F (+5.4). 6 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.4°F | +4.4°F | 1.38 in |
| 2022 | 72.2°F | +4.2°F | 0.19 in |
| 2023 | 71.7°F | +3.7°F | 0.00 in |
| 2024 | 71.1°F | +3.1°F | 0.52 in |
| 2025 | 70.1°F | +2.1°F | 0.26 in |
| 2026 | 73.4°F | +5.4°F | 0.31 in |
Source: records: ACIS, station USW00024145; recent months: ACIS, station USW00024145. Records and recent months use complete months only.
How does July in Idaho Falls compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, July normal highs run from 70°F in Mullan to 99°F in Glenns Ferry; Idaho Falls's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.