March is one of the cooler months of the year in Twin Falls, with average highs near 10.4°C and lows around -1.7°C (mean 4.4°C). It is about average for rainfall, averaging 37 mm of rainfall and 64% relative humidity across the period.
March is one of the cooler months of the year in Twin Falls. Across 45 years of records, the warmest March in Twin Falls was 2015 — when the month averaged 7.8°C — while the coldest was 2023 at 0.2°C. Typical March days reach 10.4°C with nights near -1.7°C. The long-term March temperature trend is broadly flat.
March is about average for rainfall in Twin Falls, averaging 37 mm of rainfall. The wettest March on record was 2011 with 78 mm, while the driest was 1994 at 7 mm.
Relative humidity in Twin Falls during March averages 64%. The most humid March was 1983 at 73%, and the least humid was 1994 at 51%.
March receives about 4.1 kWh/m²/day of solar energy in Twin Falls. The sunniest March was 2015 at 4.7 kWh/m²/day, and the cloudiest were 1989 and 2023 at 3.4.
Average wind speed in Twin Falls during March is 3.1 m/s. The windiest March was 2009 at 3.7 m/s, while the calmest was 1992 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.8°C | 4.7°C | 4.3°C | 4.8°C | 3.9°C | +0.1°C |
| Avg High | 9.6°C | 11.1°C | 10.4°C | 10.8°C | 9.9°C | +0.3°C |
| Avg Low | -2.0°C | -1.7°C | -1.7°C | -1.2°C | -2.0°C | 0°C |
| Avg Rain | 36 mm | 33 mm | 32 mm | 47 mm | 36 mm | +0 mm |
March temperatures in Twin Falls have risen by about 0.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -10°C (1989) to a record high of 24.4°C (2025).
Rainfall in March is about average for rainfall, averaging 37 mm, with a wettest year of 78 mm.
A good time to visit Twin Falls
March is a good time to visit Twin Falls, with days averaging 10.4°C and nights around -1.7°C (mean 4.4°C, cooler than Twin Falls's yearly average) and moderate rainfall. August and July are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 11.0°C | 5.1°C | -0.9°C | 24.4°C | -5.2°C | 32 mm | 67% | 3.2 m/s | 3.9 |
| 2024 | 8.9°C | 3.5°C | -1.9°C | 18.9°C | -7.4°C | 61 mm | 71% | 2.8 m/s | 3.9 |
| 2023 ❄️ | 5.1°C | 0.2°C | -4.8°C | 10.7°C | -8.8°C | 54 mm | 71% | 3.5 m/s | 3.4 |
| 2022 | 12.1°C | 5.6°C | -0.8°C | 22.6°C | -8.9°C | 15 mm | 60% | 3.1 m/s | 4.1 |
| 2021 | 11.0°C | 4.2°C | -2.5°C | 20.9°C | -5.5°C | 19 mm | 56% | 3 m/s | 4.6 |
| 2020 | 11.0°C | 5.0°C | -1.0°C | 20.6°C | -5.3°C | 36 mm | 61% | 3 m/s | 4.2 |
| 2019 | 9.2°C | 3.6°C | -2.1°C | 18.8°C | -5.8°C | 20 mm | 67% | 2.5 m/s | 3.9 |
| 2018 | 8.5°C | 3.0°C | -2.6°C | 17.3°C | -8.1°C | 60 mm | 68% | 3.3 m/s | 3.8 |
| 2017 | 12.3°C | 6.5°C | 0.7°C | 20.1°C | -6.5°C | 51 mm | 72% | 3.1 m/s | 3.8 |
| 2016 | 10.8°C | 5.1°C | -0.5°C | 21.2°C | -4.5°C | 62 mm | 70% | 3.3 m/s | 3.8 |
| 2015 🔥 | 14.7°C | 7.8°C | 0.9°C | 23.3°C | -7.0°C | 16 mm | 56% | 2.9 m/s | 4.7 |
| 2014 | 11.0°C | 4.8°C | -1.4°C | 21.5°C | -5.4°C | 72 mm | 63% | 3.5 m/s | 4.2 |
| 2013 | 10.7°C | 4.5°C | -1.8°C | 21.1°C | -7.8°C | 29 mm | 63% | 2.9 m/s | 4.3 |
| 2012 | 11.8°C | 5.4°C | -1.0°C | 23.9°C | -7.7°C | 52 mm | 66% | 3.4 m/s | 3.6 |
| 2011 🌧️ | 8.5°C | 3.2°C | -2.1°C | 16.8°C | -7.0°C | 78 mm | 73% | 3.4 m/s | 3.5 |
| 2010 | 10.1°C | 3.9°C | -2.4°C | 18.0°C | -6.8°C | 27 mm | 64% | 3 m/s | 4 |
| 2009 | 8.5°C | 2.8°C | -2.9°C | 20.8°C | -7.8°C | 51 mm | 66% | 3.7 m/s | 3.8 |
| 2008 | 7.6°C | 2.1°C | -3.4°C | 15.1°C | -6.3°C | 36 mm | 66% | 3.4 m/s | 4.1 |
| 2007 | 13.2°C | 6.5°C | -0.2°C | 22.6°C | -7.0°C | 21 mm | 60% | 2.9 m/s | 4.5 |
| 2006 | 7.7°C | 2.5°C | -2.7°C | 17.2°C | -9.4°C | 52 mm | 68% | 3.3 m/s | 3.5 |
| 2005 | 10.7°C | 4.6°C | -1.5°C | 19.2°C | -5.5°C | 40 mm | 61% | 3.3 m/s | 4.1 |
| 2004 | 14.2°C | 7.3°C | 0.4°C | 24.3°C | -4.9°C | 15 mm | 60% | 2.9 m/s | 4.6 |
| 2003 | 11.3°C | 5.2°C | -0.9°C | 23.6°C | -5.7°C | 32 mm | 59% | 3.6 m/s | 4 |
| 2002 | 8.3°C | 2.5°C | -3.3°C | 19.6°C | -9.5°C | 28 mm | 64% | 3.3 m/s | 4.1 |
| 2001 | 12.3°C | 5.9°C | -0.4°C | 19.8°C | -5.1°C | 25 mm | 61% | 3.1 m/s | 4.3 |
| 2000 | 10.6°C | 4.0°C | -2.6°C | 20.9°C | -6.6°C | 25 mm | 59% | 3 m/s | 4.3 |
| 1999 | 10.5°C | 4.2°C | -2.1°C | 21.3°C | -5.7°C | 19 mm | 59% | 3.1 m/s | 4 |
| 1998 | 9.6°C | 3.9°C | -1.8°C | 20.6°C | -8.0°C | 39 mm | 66% | 2.5 m/s | 4 |
| 1997 | 10.4°C | 4.2°C | -2.1°C | 22.5°C | -8.6°C | 20 mm | 65% | 3 m/s | 4.3 |
| 1996 | 10.7°C | 4.2°C | -2.2°C | 18.4°C | -7.1°C | 47 mm | 65% | 3.3 m/s | 4.3 |
| 1995 | 9.9°C | 4.0°C | -1.9°C | 18.5°C | -6.3°C | 56 mm | 64% | 3.3 m/s | 3.8 |
| 1994 | 13.4°C | 6.0°C | -1.4°C | 24.2°C | -5.7°C | 7 mm | 51% | 2.7 m/s | 4.5 |
| 1993 | 11.4°C | 5.2°C | -1.1°C | 21.8°C | -9.9°C | 64 mm | 72% | 2.7 m/s | 3.9 |
| 1992 | 14.0°C | 7.2°C | 0.4°C | 20.1°C | -3.7°C | 10 mm | 57% | 2.3 m/s | 4.6 |
| 1991 | 9.6°C | 3.4°C | -2.7°C | 20.3°C | -6.0°C | 38 mm | 58% | 3.5 m/s | 4.1 |
| 1990 | 11.5°C | 4.8°C | -1.8°C | 19.8°C | -7.1°C | 27 mm | 60% | 3 m/s | 4.5 |
| 1989 | 9.8°C | 4.2°C | -1.3°C | 20.2°C | -10.0°C | 74 mm | 71% | 3.1 m/s | 3.4 |
| 1988 | 9.2°C | 3.1°C | -3.0°C | 21.2°C | -6.6°C | 30 mm | 60% | 3.3 m/s | 4 |
| 1987 | 10.0°C | 4.0°C | -2.0°C | 19.4°C | -9.2°C | 34 mm | 59% | 3.1 m/s | 4.3 |
| 1986 | 13.5°C | 6.8°C | 0.1°C | 22.9°C | -5.2°C | 24 mm | 68% | 2.8 m/s | 4.3 |
| 1985 | 7.8°C | 1.9°C | -4.0°C | 15.0°C | -9.3°C | 23 mm | 66% | 2.9 m/s | 4 |
| 1984 | 7.9°C | 2.6°C | -2.7°C | 17.1°C | -6.1°C | 16 mm | 73% | 3.1 m/s | 3.8 |
| 1983 | 8.9°C | 3.8°C | -1.2°C | 17.7°C | -4.8°C | 51 mm | 73% | 3.1 m/s | — |
| 1982 | 7.8°C | 2.6°C | -2.6°C | 15.2°C | -6.2°C | 43 mm | 71% | 3.1 m/s | — |
| 1981 | 11.4°C | 5.1°C | -1.1°C | 18.1°C | -4.0°C | 27 mm | 58% | 3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 10.4°C with lows near -1.7°C (mean 4.4°C), based on 45 years of NASA POWER data.
March averages 37 mm of rainfall in Twin Falls, about average for rainfall. The wettest on record was 78 mm in 2011.
The hottest March reached 24.4°C in 2025. The coldest dipped to -10°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.5°C. Daytime highs moved from 8.8°C to 9.6°C and overnight lows from -2.3°C to -2.2°C over the same span.
March is one of the cooler months of the year in Twin Falls and about average for rainfall, so plan for around 10.4°C daytime highs and -1.7°C at night.
Not quite — March is the 5th coolest month in Twin Falls, averaging 4.4°C.
For March in Twin Falls, pack warm layers and a jacket for chilly mornings, with typical highs of 10.4°C and lows of -1.7°C.
Relative humidity in March averages 64% — moderately humid.
Average wind speed in March is 3.1 m/s. The windiest March on record averaged 3.7 m/s (2009).
The wettest March on record was 2011 with 78 mm. On average, March sees 37 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 Twin Falls behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
