October is one of the warmer months of the year in Rexburg, with average highs near 13.4°C and lows around 0.5°C (mean 7°C). It is about average for rainfall, averaging 43 mm of rainfall and 59% relative humidity across the period.
October is one of the warmer months of the year in Rexburg. Across 45 years of records, the warmest October in Rexburg was 1988 — when the month averaged 11.6°C — while the coldest was 2019 at 2°C. Typical October days reach 13.4°C with nights near 0.5°C. The long-term trend is warming, about 0.2°C per decade.
October is about average for rainfall in Rexburg, averaging 43 mm of rainfall. The wettest October on record was 2016 with 144 mm, while the driest was 1988 at 2 mm.
Relative humidity in Rexburg during October averages 59%. The most humid October was 2016 at 72%, and the least humid was 1987 at 41%.
October receives about 3.3 kWh/m²/day of solar energy in Rexburg. The sunniest October was 1999 at 4 kWh/m²/day, and the cloudiest was 2016 at 2.7.
Average wind speed in Rexburg during October is 2.1 m/s. The windiest Octobers were 1990 and 2016 at 2.5 m/s, while the calmest was 1987 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.8°C | 6.6°C | 6.7°C | 6.9°C | 8.3°C | +1.5°C |
| Avg High | 13.5°C | 13.3°C | 13.1°C | 13.2°C | 14.7°C | +1.2°C |
| Avg Low | 0.1°C | 0.0°C | 0.2°C | 0.7°C | 1.9°C | +1.8°C |
| Avg Rain | 31 mm | 35 mm | 50 mm | 50 mm | 50 mm | +19 mm |
October temperatures in Rexburg have risen by about 3.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -19°C (1991) to a record high of 27.7°C (1992).
Rainfall in October is about average for rainfall, averaging 43 mm, with a wettest year of 144 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Rexburg
October is a good time to visit Rexburg, with days averaging 13.4°C and nights around 0.5°C (mean 7°C, warmer than Rexburg's yearly average) and moderate rainfall. July and August are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.3°C | 7.2°C | 1.1°C | 24.4°C | -6.7°C | 77 mm | 62% | 2 m/s | 3.1 |
| 2024 | 17.8°C | 10.8°C | 3.8°C | 25.4°C | -4.2°C | 20 mm | 50% | 2 m/s | 3.6 |
| 2023 | 13.7°C | 7.8°C | 1.9°C | 22.2°C | -11.8°C | 66 mm | 66% | 1.8 m/s | 3.3 |
| 2022 | 15.8°C | 9.1°C | 2.3°C | 22.9°C | -5.7°C | 39 mm | 53% | 1.8 m/s | 3.7 |
| 2021 | 13.5°C | 7.4°C | 1.4°C | 24.0°C | -6.5°C | 72 mm | 66% | 2.3 m/s | 2.9 |
| 2020 | 14.2°C | 7.4°C | 0.6°C | 23.8°C | -12.2°C | 27 mm | 53% | 2.4 m/s | 3.5 |
| 2019 ❄️ | 8.0°C | 2.0°C | -4.0°C | 18.5°C | -14.4°C | 28 mm | 59% | 2.3 m/s | 3.2 |
| 2018 | 12.8°C | 7.0°C | 1.2°C | 22.4°C | -5.9°C | 48 mm | 64% | 2 m/s | 3.2 |
| 2017 | 11.2°C | 4.7°C | -1.7°C | 18.2°C | -5.0°C | 26 mm | 63% | 2.3 m/s | 3.6 |
| 2016 🌧️ | 13.0°C | 7.6°C | 2.1°C | 19.9°C | -3.6°C | 144 mm | 72% | 2.5 m/s | 2.7 |
| 2015 | 16.6°C | 10.4°C | 4.1°C | 25.0°C | -3.0°C | 42 mm | 64% | 2 m/s | 3.3 |
| 2014 | 15.8°C | 8.9°C | 1.9°C | 21.8°C | -4.3°C | 20 mm | 60% | 2 m/s | 3.7 |
| 2013 | 12.3°C | 5.6°C | -1.1°C | 18.8°C | -4.9°C | 33 mm | 59% | 1.9 m/s | 3.3 |
| 2012 | 13.0°C | 6.4°C | -0.2°C | 24.9°C | -8.1°C | 46 mm | 57% | 2.2 m/s | 3.3 |
| 2011 | 13.6°C | 7.6°C | 1.6°C | 26.9°C | -4.9°C | 69 mm | 66% | 2.1 m/s | 3.1 |
| 2010 | 15.4°C | 9.0°C | 2.7°C | 27.5°C | -5.1°C | 44 mm | 59% | 1.7 m/s | 3.1 |
| 2009 | 9.3°C | 3.5°C | -2.3°C | 17.9°C | -8.1°C | 49 mm | 66% | 2.1 m/s | 2.9 |
| 2008 | 13.3°C | 6.8°C | 0.3°C | 26.0°C | -7.8°C | 35 mm | 57% | 2 m/s | 3.3 |
| 2007 | 12.3°C | 5.9°C | -0.5°C | 21.8°C | -6.1°C | 86 mm | 67% | 2.1 m/s | 3 |
| 2006 | 11.2°C | 5.3°C | -0.6°C | 18.4°C | -7.3°C | 69 mm | 67% | 1.9 m/s | 3.1 |
| 2005 | 14.2°C | 7.7°C | 1.1°C | 23.1°C | -5.2°C | 54 mm | 64% | 1.9 m/s | 3.3 |
| 2004 | 13.4°C | 7.5°C | 1.6°C | 22.6°C | -7.2°C | 81 mm | 65% | 2.2 m/s | 2.9 |
| 2003 | 17.4°C | 10.1°C | 2.9°C | 27.1°C | -6.6°C | 13 mm | 43% | 2.1 m/s | 3.5 |
| 2002 | 12.2°C | 5.5°C | -1.2°C | 20.9°C | -9.0°C | 21 mm | 53% | 1.8 m/s | 3.4 |
| 2001 | 14.7°C | 7.6°C | 0.6°C | 25.5°C | -5.4°C | 36 mm | 47% | 2.4 m/s | 3.4 |
| 2000 | 13.4°C | 6.9°C | 0.4°C | 22.3°C | -4.1°C | 60 mm | 62% | 2 m/s | 3.3 |
| 1999 | 16.2°C | 8.5°C | 0.9°C | 23.3°C | -5.1°C | 11 mm | 44% | 2.1 m/s | 4 |
| 1998 | 13.5°C | 6.8°C | 0.2°C | 20.0°C | -4.4°C | 23 mm | 60% | 2 m/s | 3.5 |
| 1997 | 12.0°C | 5.8°C | -0.4°C | 25.4°C | -7.4°C | 43 mm | 64% | 2.4 m/s | 3.2 |
| 1996 | 12.6°C | 6.4°C | 0.2°C | 24.6°C | -10.0°C | 35 mm | 57% | 2.1 m/s | 3.5 |
| 1995 | 11.8°C | 5.1°C | -1.7°C | 21.0°C | -5.5°C | 28 mm | 57% | 2.2 m/s | 3.5 |
| 1994 | 12.4°C | 6.2°C | -0.1°C | 19.9°C | -4.7°C | 66 mm | 60% | 2.3 m/s | 3.2 |
| 1993 | 12.7°C | 6.6°C | 0.5°C | 23.8°C | -6.5°C | 32 mm | 62% | 1.8 m/s | 3.4 |
| 1992 | 15.4°C | 8.7°C | 2.0°C | 27.7°C | -5.3°C | 31 mm | 52% | 1.9 m/s | 3.1 |
| 1991 | 13.0°C | 6.0°C | -1.0°C | 24.2°C | -19.0°C | 47 mm | 53% | 2.2 m/s | 3.4 |
| 1990 | 12.9°C | 5.9°C | -1.0°C | 24.0°C | -5.8°C | 29 mm | 53% | 2.5 m/s | 3.2 |
| 1989 | 13.0°C | 6.9°C | 0.7°C | 20.6°C | -8.1°C | 38 mm | 58% | 2.2 m/s | 3.2 |
| 1988 🔥 | 19.2°C | 11.6°C | 4.0°C | 24.7°C | -3.7°C | 2 mm | 41% | 1.8 m/s | 3.7 |
| 1987 | 17.1°C | 9.3°C | 1.5°C | 25.8°C | -4.7°C | 4 mm | 41% | 1.6 m/s | 3.8 |
| 1986 | 14.9°C | 7.5°C | 0.1°C | 19.6°C | -5.4°C | 14 mm | 57% | 1.9 m/s | 3.7 |
| 1985 | 12.0°C | 5.2°C | -1.7°C | 17.6°C | -7.6°C | 27 mm | 59% | 2.3 m/s | 3.4 |
| 1984 | 9.3°C | 3.5°C | -2.2°C | 22.0°C | -8.4°C | 38 mm | 65% | 2.1 m/s | 3 |
| 1983 | 13.5°C | 7.2°C | 0.8°C | 19.8°C | -5.3°C | 51 mm | 66% | 1.7 m/s | — |
| 1982 | 10.1°C | 4.4°C | -1.3°C | 19.0°C | -5.1°C | 54 mm | 71% | 2 m/s | — |
| 1981 | 12.1°C | 5.6°C | -0.9°C | 22.1°C | -4.9°C | 49 mm | 60% | 2.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.4°C with lows near 0.5°C (mean 7°C), based on 45 years of NASA POWER data.
October averages 43 mm of rainfall in Rexburg, about average for rainfall. The wettest on record was 144 mm in 2016.
The hottest October reached 27.7°C in 1992. The coldest dipped to -19°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 3.3°C. Daytime highs moved from 11.4°C to 14.8°C and overnight lows from -1.1°C to 2.1°C over the same span.
October is one of the warmer months of the year in Rexburg and about average for rainfall, so plan for around 13.4°C daytime highs and 0.5°C at night.
Not quite — October is the 7th coolest month in Rexburg, averaging 7°C.
For October in Rexburg, pack warm layers and a jacket for chilly mornings, with typical highs of 13.4°C and lows of 0.5°C.
Relative humidity in October averages 59% — moderately humid.
Average wind speed in October is 2.1 m/s. The windiest October on record averaged 2.5 m/s (1990).
The wettest October on record was 2016 with 144 mm. On average, October sees 43 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 Rexburg behaves each October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
