March is one of the cooler months of the year in Surprise, with average highs near 24.9°C and lows around 9.2°C (mean 17°C). It is about average for rainfall, averaging 23 mm of rainfall and 38% relative humidity across the period.
March is one of the cooler months of the year in Surprise. Across 45 years of records, the warmest March in Surprise was 2004 — when the month averaged 21.4°C — while the coldest was 1991 at 13°C. Typical March days reach 24.9°C with nights near 9.2°C. The long-term trend is warming, about 0.4°C per decade.
March is about average for rainfall in Surprise, averaging 23 mm of rainfall. The wettest Marchs on record were 1983 and 1992 with 69 mm, while the driest were 2009 and 2016 at 0 mm.
Relative humidity in Surprise during March averages 38%. The most humid March was 1992 at 59%, and the least humid was 2002 at 21%.
March receives about 5.8 kWh/m²/day of solar energy in Surprise. The sunniest Marchs were 1997 and 2008 at 6.4 kWh/m²/day, and the cloudiest were 1991 and 2023 at 5.2.
Average wind speed in Surprise during March is 2.2 m/s. The windiest March was 1984 at 2.6 m/s, while the calmest was 1992 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.5°C | 16.4°C | 17.1°C | 18.4°C | 16.7°C | +0.2°C |
| Avg High | 24.6°C | 24.3°C | 25.0°C | 26.3°C | 24.0°C | -0.6°C |
| Avg Low | 8.5°C | 8.5°C | 9.2°C | 10.5°C | 9.4°C | +0.9°C |
| Avg Rain | 27 mm | 31 mm | 18 mm | 13 mm | 30 mm | +4 mm |
March temperatures in Surprise have risen by about 0.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -1.8°C (1990) to a record high of 36.9°C (2007).
Rainfall in March is about average for rainfall, averaging 23 mm, with a wettest year of 69 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Surprise
March is a good time to visit Surprise, with days averaging 24.9°C and nights around 9.2°C (mean 17°C, cooler than Surprise's yearly average) and low rainfall. April and October 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 | 25.1°C | 17.6°C | 10.1°C | 35.8°C | 4.7°C | 27 mm | 37% | 2.3 m/s | 5.6 |
| 2024 | 23.3°C | 16.4°C | 9.5°C | 28.8°C | 6.1°C | 32 mm | 47% | 2.1 m/s | 5.6 |
| 2023 | 21.7°C | 15.1°C | 8.4°C | 26.8°C | 2.4°C | 45 mm | 46% | 2.1 m/s | 5.2 |
| 2022 | 26.5°C | 18.1°C | 9.8°C | 35.1°C | 3.4°C | 4 mm | 24% | 2.3 m/s | 6 |
| 2021 | 24.5°C | 16.5°C | 8.5°C | 31.3°C | 2.3°C | 5 mm | 30% | 2.4 m/s | 5.9 |
| 2020 | 23.0°C | 16.5°C | 10.0°C | 28.9°C | 4.5°C | 69 mm | 52% | 1.9 m/s | 5.4 |
| 2019 | 24.5°C | 17.4°C | 10.2°C | 30.1°C | 2.5°C | 16 mm | 43% | 2.2 m/s | 5.8 |
| 2018 | 25.6°C | 18.1°C | 10.6°C | 33.7°C | 2.9°C | 3 mm | 28% | 2 m/s | 5.7 |
| 2017 | 28.3°C | 20.0°C | 11.7°C | 34.8°C | 4.6°C | 3 mm | 37% | 2.2 m/s | 6 |
| 2016 | 28.2°C | 20.1°C | 12.1°C | 33.4°C | 7.7°C | 0 mm | 23% | 2.2 m/s | 6.1 |
| 2015 | 28.2°C | 20.5°C | 12.8°C | 34.6°C | 5.3°C | 25 mm | 35% | 2 m/s | 5.8 |
| 2014 | 26.7°C | 18.8°C | 10.9°C | 30.7°C | 7.3°C | 25 mm | 31% | 2 m/s | 6 |
| 2013 | 27.1°C | 18.9°C | 10.8°C | 33.4°C | 4.3°C | 16 mm | 33% | 1.9 m/s | 5.8 |
| 2012 | 25.7°C | 17.2°C | 8.6°C | 33.4°C | 2.3°C | 15 mm | 27% | 2.1 m/s | 6.2 |
| 2011 | 26.4°C | 18.3°C | 10.2°C | 35.3°C | 4.5°C | 6 mm | 32% | 2.1 m/s | 6 |
| 2010 | 22.7°C | 14.9°C | 7.1°C | 29.4°C | 1.7°C | 23 mm | 47% | 2.2 m/s | 5.9 |
| 2009 | 25.7°C | 17.5°C | 9.3°C | 31.0°C | 4.6°C | 0 mm | 30% | 2.2 m/s | 6.2 |
| 2008 | 25.2°C | 16.8°C | 8.4°C | 30.2°C | 3.4°C | 1 mm | 35% | 2.1 m/s | 6.4 |
| 2007 | 27.3°C | 18.9°C | 10.5°C | 36.9°C | 0.9°C | 22 mm | 29% | 2.2 m/s | 6 |
| 2006 | 21.6°C | 14.8°C | 8.1°C | 29.2°C | 1.6°C | 28 mm | 39% | 2.1 m/s | 5.3 |
| 2005 | 22.7°C | 15.4°C | 8.1°C | 29.1°C | 2.7°C | 11 mm | 55% | 2.1 m/s | 5.8 |
| 2004 🔥 | 29.7°C | 21.4°C | 13.1°C | 36.4°C | 5.8°C | 18 mm | 34% | 2.2 m/s | 5.8 |
| 2003 | 24.0°C | 16.3°C | 8.5°C | 31.1°C | 3.6°C | 24 mm | 41% | 2 m/s | 5.8 |
| 2002 | 25.0°C | 16.6°C | 8.1°C | 33.7°C | 0.9°C | 1 mm | 21% | 2.4 m/s | 6.2 |
| 2001 | 25.0°C | 17.4°C | 9.7°C | 31.6°C | 4.5°C | 23 mm | 43% | 1.8 m/s | 5.7 |
| 2000 | 23.8°C | 16.2°C | 8.6°C | 29.7°C | 3.9°C | 55 mm | 40% | 2 m/s | 5.4 |
| 1999 | 25.4°C | 17.4°C | 9.3°C | 31.1°C | 5.7°C | 5 mm | 29% | 2.2 m/s | 5.9 |
| 1998 | 22.3°C | 14.8°C | 7.3°C | 32.4°C | 0.8°C | 44 mm | 49% | 2.2 m/s | 5.4 |
| 1997 | 28.7°C | 19.4°C | 10.0°C | 34.8°C | -0.7°C | 1 mm | 26% | 2.2 m/s | 6.4 |
| 1996 | 25.6°C | 16.9°C | 8.3°C | 31.7°C | 2.7°C | 15 mm | 32% | 2.4 m/s | 5.8 |
| 1995 | 23.8°C | 16.3°C | 8.8°C | 31.0°C | 3.2°C | 29 mm | 47% | 2.1 m/s | 5.7 |
| 1994 | 25.3°C | 17.3°C | 9.4°C | 30.1°C | 4.6°C | 33 mm | 40% | 2.1 m/s | 5.5 |
| 1993 | 24.0°C | 16.2°C | 8.5°C | 28.8°C | 1.7°C | 31 mm | 58% | 2 m/s | 5.6 |
| 1992 | 21.9°C | 15.2°C | 8.6°C | 26.8°C | 4.4°C | 69 mm | 59% | 1.7 m/s | 5.3 |
| 1991 ❄️ | 20.6°C | 13.0°C | 5.4°C | 27.4°C | 1.4°C | 66 mm | 49% | 2.5 m/s | 5.2 |
| 1990 | 25.0°C | 17.2°C | 9.4°C | 33.7°C | -1.8°C | 13 mm | 36% | 2.2 m/s | 5.4 |
| 1989 | 28.0°C | 19.2°C | 10.5°C | 32.9°C | 0.8°C | 26 mm | 29% | 2.2 m/s | 5.8 |
| 1988 | 25.5°C | 16.6°C | 7.8°C | 36.1°C | 1.4°C | 4 mm | 32% | 2.5 m/s | 6 |
| 1987 | 23.1°C | 15.0°C | 6.9°C | 28.7°C | 1.6°C | 7 mm | 38% | 2.4 m/s | 5.8 |
| 1986 | 26.9°C | 19.0°C | 11.1°C | 34.6°C | 4.8°C | 34 mm | 41% | 2.1 m/s | 5.5 |
| 1985 | 22.9°C | 15.2°C | 7.6°C | 29.1°C | 0.5°C | 12 mm | 45% | 2.2 m/s | 5.5 |
| 1984 | 26.9°C | 18.0°C | 9.2°C | 31.0°C | 3.4°C | 0 mm | 23% | 2.6 m/s | 5.8 |
| 1983 🌧️ | 22.1°C | 14.9°C | 7.8°C | 28.9°C | 4.1°C | 69 mm | 58% | 2.3 m/s | — |
| 1982 | 22.6°C | 15.3°C | 8.0°C | 28.0°C | 2.5°C | 53 mm | 45% | 2.1 m/s | — |
| 1981 | 23.1°C | 15.4°C | 7.6°C | 31.2°C | 4.4°C | 37 mm | 43% | 2.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 24.9°C with lows near 9.2°C (mean 17°C), based on 45 years of NASA POWER data.
March averages 23 mm of rainfall in Surprise, about average for rainfall. The wettest on record was 69 mm in 1983.
The hottest March reached 36.9°C in 2007. The coldest dipped to -1.8°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.9°C. Daytime highs moved from 23.5°C to 24.2°C and overnight lows from 8°C to 9.3°C over the same span.
March is one of the cooler months of the year in Surprise and about average for rainfall, so plan for around 24.9°C daytime highs and 9.2°C at night.
Not quite — March is the 4th coolest month in Surprise, averaging 17°C.
For March in Surprise, pack light layers you can adjust through the day, with typical highs of 24.9°C and lows of 9.2°C.
Relative humidity in March averages 38% — relatively dry.
Average wind speed in March is 2.2 m/s. The windiest March on record averaged 2.6 m/s (1984).
The wettest March on record was 1983 with 69 mm. On average, March sees 23 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 Surprise 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.
