March is one of the cooler months of the year in Tucson, with average highs near 22.6°C and lows around 7.1°C (mean 14.9°C). It is about average for rainfall, averaging 22 mm of rainfall and 40% relative humidity across the period.
March is one of the cooler months of the year in Tucson. Across 45 years of records, the warmest March in Tucson was 2017 — when the month averaged 18.6°C — while the coldest was 1991 at 11.1°C. Typical March days reach 22.6°C with nights near 7.1°C. The long-term trend is warming, about 0.5°C per decade.
March is about average for rainfall in Tucson, averaging 22 mm of rainfall. The wettest March on record was 1983 with 86 mm, while the driest was 1984 at 0 mm.
Relative humidity in Tucson during March averages 40%. The most humid March was 1983 at 62%, and the least humid was 2002 at 23%.
March receives about 5.9 kWh/m²/day of solar energy in Tucson. The sunniest March was 2002 at 6.5 kWh/m²/day, and the cloudiest was 1991 at 5.2.
Average wind speed in Tucson during March is 2.6 m/s. The windiest March was 1991 at 3.3 m/s, while the calmest was 1993 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.2°C | 14.3°C | 14.9°C | 16.3°C | 14.4°C | +0.2°C |
| Avg High | 21.9°C | 21.9°C | 22.9°C | 24.1°C | 22.0°C | +0.1°C |
| Avg Low | 6.5°C | 6.7°C | 6.9°C | 8.5°C | 6.8°C | +0.3°C |
| Avg Rain | 32 mm | 29 mm | 17 mm | 11 mm | 20 mm | -12 mm |
March temperatures in Tucson have risen by about 1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -3.4°C (2002) to a record high of 34.3°C (1988).
Rainfall in March is about average for rainfall, averaging 22 mm, with a wettest year of 86 mm.
A good time to visit Tucson
March is a good time to visit Tucson, with days averaging 22.6°C and nights around 7.1°C (mean 14.9°C, cooler than Tucson's yearly average) and low rainfall. October and May 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 | 23.9°C | 15.8°C | 7.8°C | 33.0°C | 2.4°C | 11 mm | 32% | 3 m/s | 6 |
| 2024 | 20.5°C | 13.6°C | 6.8°C | 26.4°C | 3.6°C | 38 mm | 51% | 2.6 m/s | 5.4 |
| 2023 | 20.5°C | 13.4°C | 6.2°C | 26.3°C | -1.7°C | 18 mm | 47% | 2.7 m/s | 5.5 |
| 2022 | 23.6°C | 15.4°C | 7.2°C | 32.7°C | -0.7°C | 9 mm | 27% | 2.7 m/s | 6.2 |
| 2021 | 22.4°C | 14.1°C | 5.8°C | 30.0°C | -0.2°C | 10 mm | 33% | 3.1 m/s | 6 |
| 2020 | 21.2°C | 14.2°C | 7.3°C | 27.4°C | 2.9°C | 31 mm | 53% | 2.6 m/s | 5.4 |
| 2019 | 22.6°C | 15.2°C | 7.9°C | 29.1°C | -0.1°C | 21 mm | 44% | 2.6 m/s | 5.6 |
| 2018 | 23.7°C | 16.1°C | 8.5°C | 30.8°C | -0.6°C | 0 mm | 36% | 2.2 m/s | 5.8 |
| 2017 🔥 | 26.3°C | 18.6°C | 10.8°C | 32.4°C | 3.3°C | 2 mm | 34% | 2.4 m/s | 6.2 |
| 2016 | 25.2°C | 17.6°C | 10.0°C | 31.0°C | 4.3°C | 3 mm | 28% | 2.4 m/s | 6.3 |
| 2015 | 24.9°C | 17.8°C | 10.6°C | 32.1°C | 2.7°C | 15 mm | 41% | 2.4 m/s | 5.8 |
| 2014 | 24.4°C | 16.6°C | 8.8°C | 28.9°C | 5.1°C | 26 mm | 34% | 2.5 m/s | 5.9 |
| 2013 | 25.1°C | 16.9°C | 8.7°C | 32.1°C | 1.9°C | 5 mm | 32% | 2.5 m/s | 6.1 |
| 2012 | 23.1°C | 14.5°C | 6.0°C | 30.8°C | -0.5°C | 13 mm | 32% | 2.8 m/s | 6.3 |
| 2011 | 25.5°C | 17.2°C | 8.8°C | 30.7°C | 2.7°C | 2 mm | 26% | 2.5 m/s | 6.4 |
| 2010 | 20.5°C | 12.6°C | 4.6°C | 28.4°C | -1.0°C | 20 mm | 47% | 2.8 m/s | 6.1 |
| 2009 | 24.1°C | 16.0°C | 8.0°C | 31.4°C | 2.1°C | 5 mm | 29% | 2.5 m/s | 6.1 |
| 2008 | 22.7°C | 14.5°C | 6.2°C | 28.9°C | 0.0°C | 3 mm | 33% | 2.4 m/s | 6.4 |
| 2007 | 24.6°C | 16.5°C | 8.4°C | 34.2°C | -0.3°C | 22 mm | 29% | 2.6 m/s | 6.2 |
| 2006 | 20.7°C | 13.2°C | 5.7°C | 26.8°C | -1.0°C | 26 mm | 39% | 2.9 m/s | 5.3 |
| 2005 | 20.7°C | 13.2°C | 5.8°C | 29.0°C | 1.1°C | 12 mm | 50% | 2.5 m/s | 5.9 |
| 2004 | 26.2°C | 18.5°C | 10.7°C | 32.1°C | 1.6°C | 31 mm | 40% | 2.8 m/s | 5.6 |
| 2003 | 21.9°C | 13.9°C | 5.9°C | 30.4°C | -0.3°C | 16 mm | 40% | 2.6 m/s | 5.7 |
| 2002 | 23.2°C | 14.4°C | 5.6°C | 31.7°C | -3.4°C | 4 mm | 23% | 2.7 m/s | 6.5 |
| 2001 | 22.6°C | 14.5°C | 6.5°C | 30.4°C | 1.0°C | 23 mm | 45% | 2.3 m/s | 5.8 |
| 2000 | 21.9°C | 14.1°C | 6.2°C | 27.7°C | -0.2°C | 33 mm | 38% | 2.6 m/s | 5.9 |
| 1999 | 24.2°C | 15.7°C | 7.2°C | 30.6°C | 2.1°C | 4 mm | 27% | 2.7 m/s | 6.1 |
| 1998 | 20.0°C | 12.4°C | 4.8°C | 29.0°C | -0.9°C | 46 mm | 53% | 2.8 m/s | 5.5 |
| 1997 | 25.8°C | 17.5°C | 9.3°C | 31.8°C | -0.4°C | 3 mm | 30% | 2.4 m/s | 6.3 |
| 1996 | 23.1°C | 14.9°C | 6.6°C | 30.7°C | 0.4°C | 4 mm | 32% | 2.9 m/s | 6.1 |
| 1995 | 21.8°C | 14.4°C | 7.0°C | 27.8°C | 1.2°C | 20 mm | 51% | 2.5 m/s | 5.7 |
| 1994 | 22.4°C | 14.9°C | 7.5°C | 29.0°C | 2.1°C | 35 mm | 45% | 2.6 m/s | 5.6 |
| 1993 | 21.4°C | 14.3°C | 7.2°C | 26.4°C | 1.5°C | 22 mm | 55% | 2.1 m/s | 5.7 |
| 1992 | 19.8°C | 13.0°C | 6.2°C | 26.7°C | 1.9°C | 72 mm | 60% | 2.4 m/s | 5.3 |
| 1991 ❄️ | 18.6°C | 11.1°C | 3.6°C | 27.3°C | -0.6°C | 56 mm | 52% | 3.3 m/s | 5.2 |
| 1990 | 22.0°C | 14.5°C | 7.1°C | 30.5°C | -2.1°C | 24 mm | 40% | 2.7 m/s | 5.3 |
| 1989 | 25.5°C | 17.2°C | 8.8°C | 33.0°C | -2.3°C | 23 mm | 33% | 2.7 m/s | 5.8 |
| 1988 | 22.8°C | 14.4°C | 6.0°C | 34.3°C | 0.5°C | 7 mm | 34% | 2.6 m/s | 6.2 |
| 1987 | 20.1°C | 12.2°C | 4.3°C | 27.4°C | -0.9°C | 17 mm | 45% | 2.9 m/s | 5.8 |
| 1986 | 23.8°C | 16.3°C | 8.8°C | 31.1°C | 2.3°C | 47 mm | 44% | 2.7 m/s | 5.4 |
| 1985 | 20.4°C | 13.1°C | 5.7°C | 27.2°C | -0.3°C | 8 mm | 51% | 2.7 m/s | 5.7 |
| 1984 | 23.1°C | 14.9°C | 6.8°C | 28.4°C | -1.8°C | 0 mm | 35% | 2.6 m/s | 6.1 |
| 1983 🌧️ | 19.1°C | 12.5°C | 6.0°C | 26.6°C | 1.1°C | 86 mm | 62% | 3 m/s | — |
| 1982 | 21.6°C | 14.0°C | 6.5°C | 30.1°C | 0.3°C | 35 mm | 44% | 2.4 m/s | — |
| 1981 | 20.5°C | 13.1°C | 5.7°C | 28.7°C | 1.6°C | 61 mm | 48% | 2.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 22.6°C with lows near 7.1°C (mean 14.9°C), based on 45 years of NASA POWER data.
March averages 22 mm of rainfall in Tucson, about average for rainfall. The wettest on record was 86 mm in 1983.
The hottest March reached 34.3°C in 1988. The coldest dipped to -3.4°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1°C. Daytime highs moved from 20.9°C to 22.2°C and overnight lows from 6.1°C to 6.8°C over the same span.
March is one of the cooler months of the year in Tucson and about average for rainfall, so plan for around 22.6°C daytime highs and 7.1°C at night.
Not quite — March is the 4th coolest month in Tucson, averaging 14.9°C.
For March in Tucson, pack warm layers and a jacket for chilly mornings, with typical highs of 22.6°C and lows of 7.1°C.
Relative humidity in March averages 40% — relatively dry.
Average wind speed in March is 2.6 m/s. The windiest March on record averaged 3.3 m/s (1991).
The wettest March on record was 1983 with 86 mm. On average, March sees 22 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 Tucson 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.
