| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 28.7 | 11.9 | 57 | -33 | 0.6 |
| February | 34.1 | 15.5 | 62 | -38 | 0.5 |
| March | 47.2 | 25.8 | 73 | -16 | 0.8 |
| April | 57.7 | 31.8 | 86 | 13 | 1.1 |
| May | 67.6 | 38.8 | 94 | 17 | 1.5 |
| June | 76.5 | 44.7 | 102 | 29 | 1.1 |
| July | 87.2 | 49.6 | 101 | 33 | 0.4 |
| August | 85.7 | 47.8 | 100 | 28 | 0.6 |
| September | 75.1 | 40.5 | 100 | 18 | 0.9 |
| October | 59.6 | 31.2 | 88 | -3 | 0.9 |
| November | 43.2 | 21.9 | 71 | -19 | 0.6 |
| December | 30.6 | 13.5 | 58 | -31 | 0.7 |
| Entire year | 58.0 | 31.3 | 102 | -38 | 9.8 |
|
More Idaho Falls Weather Records
1948–2023
|
||
|---|---|---|
| Highest daily low | 71 °F | August 8, 1983 |
| Lowest daily high | -13 °F | January 1, 1979 |
| Greatest daily range (Difference of high and low) |
57 °F | August 4, 1979 |
| Difference in high temperature over two conscutive days |
38 °F | Jun 6–7, 1950 |
| Most daily precipitation | 1.7 inches | May 6, 1993 |
| Most monthly precipitation | 4.3 inches | May 1981 |
| Most yearly precipitation | 15.9 inches | 1980 |
| Earliest freeze | August 25 | 1992 |
| Latest freeze | June 26 | 1976 |
| Most days in a year ≥ 80 °F | 99 | 2021 |
| Most days in a year ≥ 90 °F | 58 | 2022 |
| Most days in a year ≥ 100 °F | 2 | 2002 |
|
Idaho Falls Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 13 days | Jan 3–15, 1980 |
| Without precipitation | 63 days | Sep 12 – Nov 13, 1952 |
| Freezing temperatures High temperature ≤ 32 °F
|
49 days | Jan 22 – Mar 10, 1964 |
| High temperature ≥ 80 °F | 73 days | Jun 29 – Sep 9, 1998 |
| High temperature ≥ 90 °F | 13 days | Jul 15–27, 2021 |
| Years | Station | Coordinates |
|---|---|---|
| 1948–2023 | Idaho Falls Fanning Field | location |