November is one of the cooler months of the year in Idaho Falls, with average highs near 4.5°C and lows around -5.2°C (mean -0.4°C). It is about average for rainfall, averaging 47 mm of rainfall and 73% relative humidity across the period.
November is one of the cooler months of the year in Idaho Falls. Across 45 years of records, the warmest November in Idaho Falls was 2025 — when the month averaged 4.6°C — while the coldest were 1985 and 2022 at -4.9°C. Typical November days reach 4.5°C with nights near -5.2°C. The long-term trend is warming, about 0.5°C per decade.
November is about average for rainfall in Idaho Falls, averaging 47 mm of rainfall. The wettest November on record was 1988 with 104 mm, while the driest was 2009 at 11 mm.
Relative humidity in Idaho Falls during November averages 73%. The most humid November was 1985 at 84%, and the least humid was 1999 at 58%.
November receives about 1.9 kWh/m²/day of solar energy in Idaho Falls. The sunniest November was 2000 at 2.3 kWh/m²/day, and the cloudiest was 1984 at 1.6.
Average wind speed in Idaho Falls during November is 2.5 m/s. The windiest Novembers were 1984, 1990 and 2006 at 3.1 m/s, while the calmest was 2004 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -1.2°C | -0.6°C | 0.0°C | -0.2°C | 0.5°C | +1.7°C |
| Avg High | 3.6°C | 4.2°C | 4.9°C | 4.7°C | 5.4°C | +1.8°C |
| Avg Low | -6.0°C | -5.3°C | -4.8°C | -5.0°C | -4.4°C | +1.6°C |
| Avg Rain | 57 mm | 45 mm | 38 mm | 54 mm | 41 mm | -16 mm |
November temperatures in Idaho Falls have risen by about 2.3°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -26.3°C (1991) to a record high of 19.2°C (1999).
Rainfall in November is about average for rainfall, averaging 47 mm, with a wettest year of 104 mm.
A quieter season to visit Idaho Falls
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Idaho Falls. That said, November — with days averaging 4.5°C and nights around -5.2°C (mean -0.4°C) and moderate rainfall (47 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 9.9°C | 4.6°C | -0.8°C | 16.7°C | -7.9°C | 18 mm | 67% | 2.4 m/s | 2.1 |
| 2024 | 4.0°C | -0.5°C | -5.0°C | 13.7°C | -10.0°C | 33 mm | 72% | 2.3 m/s | 1.8 |
| 2023 | 6.3°C | 1.6°C | -3.1°C | 14.3°C | -10.1°C | 32 mm | 73% | 2.2 m/s | 2.2 |
| 2022 | 0.5°C | -4.9°C | -10.2°C | 14.6°C | -19.9°C | 73 mm | 80% | 2.5 m/s | 2 |
| 2021 | 6.9°C | 2.4°C | -2.2°C | 15.6°C | -7.5°C | 32 mm | 74% | 2.5 m/s | 1.8 |
| 2020 | 4.9°C | -0.2°C | -5.3°C | 18.8°C | -13.0°C | 58 mm | 72% | 2.8 m/s | 2 |
| 2019 | 6.0°C | 1.1°C | -3.7°C | 14.3°C | -15.8°C | 23 mm | 69% | 2.2 m/s | 2.2 |
| 2018 | 3.1°C | -1.5°C | -6.0°C | 11.7°C | -11.5°C | 64 mm | 76% | 2.3 m/s | 1.9 |
| 2017 | 5.5°C | 0.9°C | -3.6°C | 13.9°C | -10.3°C | 91 mm | 79% | 2.8 m/s | 1.7 |
| 2016 | 8.8°C | 3.4°C | -1.9°C | 18.5°C | -10.2°C | 36 mm | 70% | 2.3 m/s | 2.2 |
| 2015 | 2.9°C | -1.7°C | -6.2°C | 9.9°C | -16.1°C | 54 mm | 73% | 2.6 m/s | 1.9 |
| 2014 | 2.6°C | -2.1°C | -6.9°C | 18.2°C | -24.7°C | 68 mm | 78% | 2.9 m/s | 2 |
| 2013 | 5.5°C | 0.6°C | -4.4°C | 15.4°C | -11.5°C | 29 mm | 70% | 2.6 m/s | 2 |
| 2012 | 7.1°C | 2.4°C | -2.4°C | 16.4°C | -9.4°C | 55 mm | 73% | 2.6 m/s | 1.8 |
| 2011 | 2.7°C | -2.1°C | -6.8°C | 10.2°C | -14.4°C | 41 mm | 73% | 2.9 m/s | 1.9 |
| 2010 | 2.7°C | -2.6°C | -7.9°C | 18.8°C | -26.0°C | 75 mm | 80% | 2.5 m/s | 1.7 |
| 2009 | 5.3°C | 0.2°C | -4.9°C | 17.0°C | -9.8°C | 11 mm | 69% | 2.3 m/s | 2.2 |
| 2008 | 6.9°C | 2.3°C | -2.3°C | 15.6°C | -8.1°C | 59 mm | 74% | 2.4 m/s | 1.9 |
| 2007 | 6.5°C | 1.2°C | -4.2°C | 15.1°C | -10.8°C | 30 mm | 65% | 2.4 m/s | 2.2 |
| 2006 | 4.6°C | 0.0°C | -4.6°C | 16.5°C | -17.8°C | 51 mm | 74% | 3.1 m/s | 1.7 |
| 2005 | 4.6°C | 0.0°C | -4.6°C | 15.0°C | -13.3°C | 56 mm | 74% | 2.7 m/s | 1.8 |
| 2004 | 5.2°C | 0.3°C | -4.6°C | 15.0°C | -15.3°C | 17 mm | 74% | 1.9 m/s | 2.2 |
| 2003 | 2.1°C | -2.2°C | -6.6°C | 9.4°C | -13.1°C | 50 mm | 69% | 2.8 m/s | 1.7 |
| 2002 | 4.4°C | -0.3°C | -4.9°C | 10.7°C | -11.2°C | 33 mm | 72% | 2 m/s | 2 |
| 2001 | 8.2°C | 2.7°C | -2.9°C | 17.7°C | -16.5°C | 49 mm | 71% | 2.3 m/s | 2 |
| 2000 | 0.9°C | -3.8°C | -8.5°C | 7.4°C | -13.8°C | 29 mm | 72% | 2 m/s | 2.3 |
| 1999 | 10.5°C | 4.5°C | -1.5°C | 19.2°C | -9.2°C | 24 mm | 58% | 2.7 m/s | 2.2 |
| 1998 | 5.0°C | 0.6°C | -3.8°C | 10.9°C | -10.2°C | 56 mm | 76% | 3 m/s | 1.7 |
| 1997 | 5.4°C | 0.4°C | -4.5°C | 15.6°C | -11.8°C | 30 mm | 72% | 2 m/s | 2.2 |
| 1996 | 4.3°C | -0.1°C | -4.4°C | 11.6°C | -14.0°C | 64 mm | 77% | 2.5 m/s | 1.8 |
| 1995 | 5.9°C | 1.7°C | -2.5°C | 12.2°C | -8.8°C | 60 mm | 74% | 3 m/s | 2 |
| 1994 | 1.0°C | -3.5°C | -8.0°C | 11.1°C | -16.4°C | 53 mm | 74% | 2.8 m/s | 2 |
| 1993 | 2.3°C | -2.7°C | -7.6°C | 10.8°C | -19.2°C | 13 mm | 62% | 2.3 m/s | 2.1 |
| 1992 | 1.6°C | -2.9°C | -7.4°C | 10.2°C | -15.9°C | 40 mm | 79% | 2.3 m/s | 1.7 |
| 1991 | 1.1°C | -3.8°C | -8.8°C | 8.4°C | -26.3°C | 66 mm | 82% | 2.4 m/s | 1.9 |
| 1990 | 5.2°C | 0.1°C | -5.0°C | 14.3°C | -10.7°C | 46 mm | 68% | 3.1 m/s | 2 |
| 1989 | 5.1°C | 0.1°C | -4.8°C | 12.4°C | -16.2°C | 33 mm | 71% | 2.7 m/s | 1.9 |
| 1988 🌧️ | 1.9°C | -3.0°C | -7.9°C | 17.7°C | -22.9°C | 104 mm | 84% | 2.9 m/s | 1.7 |
| 1987 | 5.9°C | 1.0°C | -3.9°C | 16.5°C | -10.0°C | 39 mm | 71% | 2 m/s | 1.9 |
| 1986 | 4.0°C | -0.7°C | -5.5°C | 12.6°C | -14.8°C | 39 mm | 72% | 2.8 m/s | 1.9 |
| 1985 ❄️ | -0.3°C | -4.9°C | -9.6°C | 16.6°C | -22.7°C | 69 mm | 84% | 2.7 m/s | 1.8 |
| 1984 | 3.6°C | -0.6°C | -4.9°C | 9.6°C | -12.1°C | 51 mm | 76% | 3.1 m/s | 1.6 |
| 1983 | 2.6°C | -2.0°C | -6.7°C | 14.4°C | -22.8°C | 85 mm | 83% | 2.7 m/s | — |
| 1982 | 2.3°C | -2.5°C | -7.2°C | 7.9°C | -19.9°C | 39 mm | 76% | 2.4 m/s | — |
| 1981 | 6.9°C | 1.6°C | -3.7°C | 16.3°C | -15.9°C | 57 mm | 72% | 2.3 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 4.5°C with lows near -5.2°C (mean -0.4°C), based on 45 years of NASA POWER data.
November averages 47 mm of rainfall in Idaho Falls, about average for rainfall. The wettest on record was 104 mm in 1988.
The hottest November reached 19.2°C in 1999. The coldest dipped to -26.3°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 2.3°C. Daytime highs moved from 3°C to 5.5°C and overnight lows from -6.4°C to -4.3°C over the same span.
November is one of the cooler months of the year in Idaho Falls and about average for rainfall, so plan for around 4.5°C daytime highs and -5.2°C at night.
Not quite — November is the 4th coolest month in Idaho Falls, averaging -0.4°C.
For November in Idaho Falls, pack warm layers and a jacket for chilly mornings, with typical highs of 4.5°C and lows of -5.2°C.
Relative humidity in November averages 73% — moderately humid.
Average wind speed in November is 2.5 m/s. The windiest November on record averaged 3.1 m/s (1984).
The wettest November on record was 1988 with 104 mm. On average, November sees 47 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Idaho Falls behaves each November, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for November specifically, along with year-by-year records and how the month has changed over the decades.
