March is one of the warmer months of the year in Seymour, with average highs near 26.6°C and lows around 12.1°C (mean 19.4°C). It is one of the drier months, averaging 40 mm of rainfall and 59% relative humidity across the period.
March is one of the warmer months of the year in Seymour. Across 45 years of records, the warmest March in Seymour was 2017 — when the month averaged 22.3°C — while the coldest was 2012 at 16.4°C. Typical March days reach 26.6°C with nights near 12.1°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Seymour, averaging 40 mm of rainfall. The wettest March on record was 2020 with 124 mm, while the driest was 1986 at 5 mm.
Relative humidity in Seymour during March averages 59%. The most humid March was 2012 at 77%, and the least humid was 1986 at 47%.
March receives about 5 kWh/m²/day of solar energy in Seymour. The sunniest March was 2006 at 5.7 kWh/m²/day, and the cloudiest was 2021 at 4.5.
Average wind speed in Seymour during March is 2.6 m/s. The windiest March was 2002 at 3.2 m/s, while the calmest was 2010 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.5°C | 18.7°C | 19.5°C | 19.5°C | 19.6°C | +0.1°C |
| Avg High | 26.8°C | 25.9°C | 27.0°C | 26.5°C | 26.6°C | -0.2°C |
| Avg Low | 12.1°C | 11.4°C | 11.9°C | 12.5°C | 12.6°C | +0.5°C |
| Avg Rain | 48 mm | 29 mm | 26 mm | 44 mm | 59 mm | +11 mm |
March temperatures in Seymour have risen by about 0.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 4.1°C (1996) to a record high of 40.5°C (1991).
Rainfall in March is one of the drier months, averaging 40 mm, with a wettest year of 124 mm.
One of the best times to visit Seymour
March is one of the best times to visit Seymour. Expect days averaging 26.6°C and nights around 12.1°C (mean 19.4°C) — warmer than Seymour's yearly average — with moderate rainfall (40 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.6°C | 22.1°C | 14.6°C | 38.3°C | 8.5°C | 48 mm | 57% | 2.8 m/s | 5.2 |
| 2024 | 29.2°C | 21.1°C | 13.0°C | 37.6°C | 6.8°C | 8 mm | 51% | 2.7 m/s | 5.5 |
| 2023 | 25.9°C | 19.1°C | 12.4°C | 37.9°C | 7.3°C | 55 mm | 64% | 2.7 m/s | 4.6 |
| 2022 | 26.5°C | 20.1°C | 13.7°C | 32.0°C | 9.4°C | 62 mm | 68% | 2.7 m/s | 4.9 |
| 2021 | 24.4°C | 17.8°C | 11.2°C | 29.1°C | 6.3°C | 57 mm | 67% | 2.5 m/s | 4.5 |
| 2020 🌧️ | 23.7°C | 17.3°C | 10.9°C | 32.1°C | 6.9°C | 124 mm | 70% | 2.7 m/s | 4.9 |
| 2019 | 28.3°C | 20.9°C | 13.5°C | 37.4°C | 7.2°C | 13 mm | 50% | 2.6 m/s | 5.1 |
| 2018 | 27.6°C | 20.0°C | 12.5°C | 34.7°C | 7.1°C | 25 mm | 53% | 2.9 m/s | 5.4 |
| 2017 🔥 | 29.9°C | 22.3°C | 14.7°C | 35.0°C | 5.9°C | 31 mm | 55% | 2.4 m/s | 5.4 |
| 2016 | 28.7°C | 21.4°C | 14.1°C | 38.8°C | 7.9°C | 38 mm | 58% | 2.6 m/s | 4.8 |
| 2015 | 25.1°C | 17.9°C | 10.7°C | 33.1°C | 6.2°C | 9 mm | 57% | 2.8 m/s | 5 |
| 2014 | 26.9°C | 19.8°C | 12.7°C | 33.7°C | 8.1°C | 47 mm | 61% | 2.6 m/s | 4.8 |
| 2013 | 27.1°C | 20.0°C | 12.9°C | 35.1°C | 6.2°C | 36 mm | 61% | 2.4 m/s | 5 |
| 2012 ❄️ | 22.0°C | 16.4°C | 10.8°C | 28.1°C | 6.5°C | 88 mm | 77% | 2.6 m/s | 4.6 |
| 2011 | 23.3°C | 17.0°C | 10.7°C | 30.0°C | 5.4°C | 49 mm | 73% | 2.7 m/s | 4.7 |
| 2010 | 26.1°C | 19.3°C | 12.5°C | 31.6°C | 7.0°C | 101 mm | 67% | 2.2 m/s | 5 |
| 2009 | 26.3°C | 19.0°C | 11.7°C | 33.3°C | 7.8°C | 35 mm | 59% | 2.6 m/s | 4.7 |
| 2008 | 29.0°C | 20.9°C | 12.8°C | 38.8°C | 5.0°C | 25 mm | 49% | 2.6 m/s | 5.2 |
| 2007 | 27.0°C | 19.8°C | 12.5°C | 37.9°C | 7.6°C | 51 mm | 58% | 3 m/s | 5.2 |
| 2006 | 28.6°C | 20.6°C | 12.6°C | 37.2°C | 8.9°C | 20 mm | 56% | 2.5 m/s | 5.7 |
| 2005 | 25.3°C | 17.8°C | 10.3°C | 35.7°C | 4.9°C | 6 mm | 60% | 2.6 m/s | 5.2 |
| 2004 | 27.6°C | 19.5°C | 11.4°C | 34.2°C | 8.3°C | 12 mm | 53% | 3 m/s | 5.5 |
| 2003 | 26.0°C | 18.7°C | 11.4°C | 32.5°C | 6.9°C | 13 mm | 60% | 3 m/s | 4.8 |
| 2002 | 27.0°C | 19.4°C | 11.8°C | 35.4°C | 7.1°C | 22 mm | 56% | 3.2 m/s | 5 |
| 2001 | 26.2°C | 18.8°C | 11.3°C | 34.0°C | 6.9°C | 58 mm | 58% | 2.6 m/s | 4.7 |
| 2000 | 27.1°C | 20.0°C | 12.9°C | 35.7°C | 7.2°C | 20 mm | 60% | 2.6 m/s | 4.9 |
| 1999 | 25.7°C | 18.9°C | 12.2°C | 32.8°C | 6.4°C | 59 mm | 63% | 2.7 m/s | 4.9 |
| 1998 | 28.0°C | 19.9°C | 11.8°C | 39.0°C | 6.3°C | 7 mm | 51% | 2.7 m/s | 5.3 |
| 1997 | 25.7°C | 18.3°C | 10.8°C | 30.6°C | 6.8°C | 14 mm | 56% | 2.8 m/s | 4.7 |
| 1996 | 25.6°C | 18.2°C | 10.8°C | 32.8°C | 4.1°C | 52 mm | 63% | 2.6 m/s | 5.2 |
| 1995 | 24.9°C | 17.8°C | 10.6°C | 35.2°C | 4.8°C | 21 mm | 58% | 2.5 m/s | 5.2 |
| 1994 | 23.8°C | 17.0°C | 10.3°C | 29.1°C | 5.5°C | 25 mm | 66% | 2.3 m/s | 5.1 |
| 1993 | 24.1°C | 17.7°C | 11.2°C | 29.3°C | 6.5°C | 51 mm | 71% | 2.3 m/s | 4.6 |
| 1992 | 27.1°C | 20.0°C | 12.8°C | 33.4°C | 6.0°C | 26 mm | 61% | 2.6 m/s | 4.9 |
| 1991 | 26.7°C | 18.8°C | 11.0°C | 40.5°C | 6.5°C | 21 mm | 52% | 2.8 m/s | 5.1 |
| 1990 | 27.5°C | 20.0°C | 12.5°C | 34.5°C | 7.0°C | 18 mm | 56% | 2.7 m/s | 5.4 |
| 1989 | 26.3°C | 20.0°C | 13.6°C | 37.4°C | 6.4°C | 115 mm | 63% | 2.3 m/s | 4.6 |
| 1988 | 27.7°C | 20.1°C | 12.5°C | 36.1°C | 7.2°C | 32 mm | 54% | 2.5 m/s | 5 |
| 1987 | 24.1°C | 16.5°C | 8.9°C | 32.1°C | 5.1°C | 19 mm | 60% | 2.7 m/s | 4.8 |
| 1986 | 29.7°C | 21.1°C | 12.5°C | 39.5°C | 6.9°C | 5 mm | 47% | 2.9 m/s | 5.3 |
| 1985 | 28.6°C | 21.4°C | 14.1°C | 36.0°C | 7.1°C | 25 mm | 54% | 2.6 m/s | 4.7 |
| 1984 | 24.4°C | 17.1°C | 9.8°C | 34.0°C | 4.2°C | 61 mm | 58% | 2.8 m/s | 4.7 |
| 1983 | 28.0°C | 21.0°C | 14.0°C | 38.2°C | 6.0°C | 66 mm | 58% | 2.6 m/s | — |
| 1982 | 27.0°C | 19.8°C | 12.5°C | 34.6°C | 7.3°C | 54 mm | 58% | 2.5 m/s | — |
| 1981 | 25.5°C | 18.1°C | 10.8°C | 34.4°C | 5.9°C | 52 mm | 56% | 2.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 26.6°C with lows near 12.1°C (mean 19.4°C), based on 45 years of NASA POWER data.
March averages 40 mm of rainfall in Seymour, one of the drier months. The wettest on record was 124 mm in 2020.
The hottest March reached 40.5°C in 1991. The coldest dipped to 4.1°C in 1996.
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 26.7°C to 27.1°C and overnight lows from 12.2°C to 13°C over the same span.
March is one of the warmer months of the year in Seymour and one of the drier months, so plan for around 26.6°C daytime highs and 12.1°C at night.
Not quite — March is the 9th coolest month in Seymour, averaging 19.4°C.
For March in Seymour, pack light layers you can adjust through the day, with typical highs of 26.6°C and lows of 12.1°C.
Relative humidity in March averages 59% — moderately humid.
Average wind speed in March is 2.6 m/s. The windiest March on record averaged 3.2 m/s (2002).
The wettest March on record was 2020 with 124 mm. On average, March sees 40 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 Seymour 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.