Twin Falls weather in July: Twin Falls, Idaho: normal highs, lows, rain and records for July
Twin Falls in July has a normal high of 88°F and a normal low of 58°F, a daily mean of 73°F, rising from 84°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 3 days in a normal July, 0.31 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 14°C, 8 mm of precipitation in July.
- NOAA stationTwin Falls Sun Valley Regional Airport
- Station IDUSW00094178
- Location42.48°N 114.49°W
- Elevation4,151 ft (1,265 m)
- Population55,589
- Jan 37° 21°
- Feb 42° 24°
- Mar 52° 30°
- Apr 59° 34°
- May 69° 42°
- Jun 78° 49°
- Jul 88° 58°
- Aug 87° 56°
- Sep 76° 47°
- Oct 62° 36°
- Nov 47° 26°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Twin Falls in July?
The normal high is 88°F and the normal low 58°F, for a daily mean of 73.0°F. July is 9.2°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in Twin Falls and the 12th wettest. Across the month the normal high rises 6°F, from 84°F on July 1 to 90°F on July 31. From one year to the next July's mean temperature typically moves about 3.5°F either way (NOAA's standard deviation), so roughly two Julys in three average between 70°F and 77°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 12%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 84°F | 54°F | 12% | 4% |
| July 8 | 87°F | 56°F | 10% | 3% |
| July 15 | 89°F | 58°F | 10% | 3% |
| July 22 | 90°F | 59°F | 10% | 3% |
| July 31 | 90°F | 59°F | 10% | 3% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 24, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 84°F | 54°F | 12% | 4% | 15 h 20 min |
| July 2 | 85°F | 54°F | 11% | 4% | 15 h 10 min |
| July 3 | 85°F | 55°F | 11% | 4% | 15 h 10 min |
| July 4 | 85°F | 55°F | 11% | 4% | 15 h 10 min |
| July 5 | 86°F | 55°F | 11% | 4% | 15 h 10 min |
| July 6 | 86°F | 56°F | 11% | 4% | 15 h 10 min |
| July 7 | 87°F | 56°F | 10% | 3% | 15 h 10 min |
| July 8 | 87°F | 56°F | 10% | 3% | 15 h 10 min |
| July 9 | 87°F | 57°F | 10% | 3% | 15 h 10 min |
| July 10 | 88°F | 57°F | 10% | 3% | 15 h 10 min |
| July 11 | 88°F | 57°F | 10% | 3% | 15 h 10 min |
| July 12 | 88°F | 57°F | 10% | 3% | 15 h 10 min |
| July 13 | 88°F | 58°F | 10% | 3% | 15 h |
| July 14 | 89°F | 58°F | 10% | 3% | 15 h |
| July 15 | 89°F | 58°F | 10% | 3% | 15 h |
| July 16 | 89°F | 58°F | 10% | 3% | 15 h |
| July 17 | 89°F | 59°F | 10% | 3% | 15 h |
| July 18 | 90°F | 59°F | 10% | 3% | 15 h |
| July 19 | 90°F | 59°F | 10% | 3% | 15 h |
| July 20 | 90°F | 59°F | 10% | 3% | 14 h 50 min |
| July 21 | 90°F | 59°F | 10% | 3% | 14 h 50 min |
| July 22 | 90°F | 59°F | 10% | 3% | 14 h 50 min |
| July 23 | 90°F | 59°F | 10% | 3% | 14 h 50 min |
| July 24 | 90°F | 59°F | 10% | 3% | 14 h 50 min |
| July 25 | 90°F | 59°F | 10% | 3% | 14 h 40 min |
| July 26 | 90°F | 59°F | 10% | 3% | 14 h 40 min |
| July 27 | 90°F | 59°F | 10% | 3% | 14 h 40 min |
| July 28 | 90°F | 59°F | 10% | 3% | 14 h 40 min |
| July 29 | 90°F | 59°F | 10% | 3% | 14 h 40 min |
| July 30 | 90°F | 59°F | 10% | 3% | 14 h 30 min |
| July 31 | 90°F | 59°F | 10% | 3% | 14 h 30 min |
- Normal high
- 88°FJuly average
- Normal low
- 58°FJuly average
- Precipitation
- 0.31 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 19
- Daylight
- 15 h 20 min to 14 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 90%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094178; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Twin Falls in July?
On a given July day the chance of 0.01 inch or more is 10% on average, highest around July 1 (12%). In all, 0.31 in falls on 3 days of a normal July.
In a normal July in Twin Falls, 19 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094178.
What are the records for July in Twin Falls?
The warmest July temperature on this station's record (since 1997) is 107°F, on July 23, 2003; the coldest is 41°F, on July 12, 2016. The wettest July brought 0.71 in (2009).
The July mean against the 1991-2020 normal of 73.0°F: 2021 78.9°F (+5.9), 2022 78.9°F (+5.9), 2023 77.0°F (+4.0), 2024 76.4°F (+3.4), 2025 75.2°F (+2.2), 2026 78.3°F (+5.3). 6 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.9°F | +5.9°F | 0.68 in |
| 2022 | 78.9°F | +5.9°F | 0.13 in |
| 2023 | 77.0°F | +4.0°F | 0.00 in |
| 2024 | 76.4°F | +3.4°F | 0.25 in |
| 2025 | 75.2°F | +2.2°F | 0.21 in |
| 2026 | 78.3°F | +5.3°F | 0.28 in |
Source: records: ACIS, station USW00094178; recent months: ACIS, station USW00094178. Records and recent months use complete months only.
How does July in Twin 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; Twin Falls's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.