March is one of the warmer months of the year in Carnarvon, with average highs near 32.8°C and lows around 23.9°C (mean 28.4°C). It is about average for rainfall, averaging 19 mm of rainfall and 59% relative humidity across the period.
March is one of the warmer months of the year in Carnarvon. Across 45 years of records, the warmest March in Carnarvon was 2025 — when the month averaged 30.9°C — while the coldest was 1993 at 25.8°C. Typical March days reach 32.8°C with nights near 23.9°C. The long-term trend is warming, about 0.3°C per decade.
March is about average for rainfall in Carnarvon, averaging 19 mm of rainfall. The wettest March on record was 2000 with 240 mm, while the driest were 1993 and 2004 at 0 mm.
Relative humidity in Carnarvon during March averages 59%. The most humid March was 2000 at 73%, and the least humid was 2025 at 51%.
March receives about 6.6 kWh/m²/day of solar energy in Carnarvon. The sunniest Marchs were 1985, 2004 and 2007 at 7 kWh/m²/day, and the cloudiest was 2000 at 5.6.
Average wind speed in Carnarvon during March is 5.7 m/s. The windiest March was 2017 at 6.5 m/s, while the calmest was 1987 at 4.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.3°C | 27.9°C | 28.2°C | 28.5°C | 29.3°C | +1°C |
| Avg High | 32.8°C | 32.3°C | 32.7°C | 32.8°C | 33.8°C | +1°C |
| Avg Low | 23.7°C | 23.5°C | 23.8°C | 24.2°C | 24.8°C | +1.1°C |
| Avg Rain | 15 mm | 8 mm | 39 mm | 19 mm | 9 mm | -6 mm |
March temperatures in Carnarvon have risen by about 1.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 18.2°C (1993) to a record high of 43.8°C (2025).
Rainfall in March is about average for rainfall, averaging 19 mm, with a wettest year of 240 mm.
A quieter season to visit Carnarvon
If your dates are flexible, the more temperate months of October and May tend to be the most comfortable for visiting Carnarvon. That said, March — with days averaging 32.8°C and nights around 23.9°C (mean 28.4°C) and low rainfall (19 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 36.1°C | 30.9°C | 25.6°C | 43.8°C | 20.6°C | 0 mm | 51% | 5.7 m/s | 6.7 |
| 2024 | 34.4°C | 29.8°C | 25.1°C | 39.2°C | 21.0°C | 7 mm | 56% | 5.7 m/s | 6.7 |
| 2023 | 32.6°C | 28.3°C | 24.1°C | 38.6°C | 21.7°C | 1 mm | 63% | 6.2 m/s | 6.6 |
| 2022 | 33.7°C | 29.2°C | 24.7°C | 39.8°C | 20.3°C | 31 mm | 57% | 5.7 m/s | 6.4 |
| 2021 | 32.5°C | 28.4°C | 24.3°C | 38.8°C | 22.3°C | 14 mm | 62% | 4.9 m/s | 6.9 |
| 2020 | 33.2°C | 29.1°C | 24.9°C | 40.0°C | 20.5°C | 3 mm | 58% | 5.7 m/s | 6.8 |
| 2019 | 34.0°C | 29.5°C | 25.0°C | 39.4°C | 21.3°C | 1 mm | 59% | 5.3 m/s | 6 |
| 2018 | 34.3°C | 29.8°C | 25.3°C | 40.4°C | 22.6°C | 1 mm | 58% | 5.8 m/s | 6.8 |
| 2017 | 31.9°C | 27.6°C | 23.3°C | 40.3°C | 20.3°C | 3 mm | 61% | 6.5 m/s | 6.9 |
| 2016 | 30.9°C | 27.1°C | 23.3°C | 36.5°C | 22.0°C | 3 mm | 66% | 5.5 m/s | 6.5 |
| 2015 | 30.8°C | 27.4°C | 23.9°C | 36.8°C | 21.4°C | 118 mm | 68% | 4.8 m/s | 6 |
| 2014 | 34.5°C | 29.6°C | 24.8°C | 42.8°C | 21.5°C | 2 mm | 54% | 6 m/s | 6.4 |
| 2013 | 31.8°C | 27.8°C | 23.8°C | 39.7°C | 18.6°C | 5 mm | 58% | 6 m/s | 6.8 |
| 2012 | 33.8°C | 29.3°C | 24.8°C | 39.1°C | 22.0°C | 46 mm | 54% | 5 m/s | 6.5 |
| 2011 | 33.1°C | 28.5°C | 23.9°C | 35.9°C | 19.5°C | 14 mm | 60% | 5.3 m/s | 6.9 |
| 2010 | 33.3°C | 28.7°C | 24.0°C | 39.8°C | 21.4°C | 1 mm | 59% | 5.9 m/s | 6.9 |
| 2009 | 32.1°C | 27.5°C | 23.0°C | 38.2°C | 20.4°C | 2 mm | 58% | 6.2 m/s | 6.7 |
| 2008 | 32.1°C | 28.1°C | 24.2°C | 38.3°C | 21.3°C | 103 mm | 66% | 5.5 m/s | 6.4 |
| 2007 | 34.1°C | 28.8°C | 23.5°C | 43.3°C | 18.3°C | 1 mm | 52% | 6.2 m/s | 7 |
| 2006 | 34.3°C | 29.6°C | 24.9°C | 39.6°C | 20.0°C | 24 mm | 54% | 6.1 m/s | 6.4 |
| 2005 | 33.1°C | 29.0°C | 24.8°C | 38.3°C | 18.8°C | 6 mm | 63% | 5 m/s | 6 |
| 2004 | 32.1°C | 27.2°C | 22.2°C | 36.7°C | 19.3°C | 0 mm | 58% | 6.3 m/s | 7 |
| 2003 | 32.5°C | 28.4°C | 24.2°C | 40.0°C | 20.0°C | 8 mm | 59% | 5.5 m/s | 6.7 |
| 2002 | 32.7°C | 28.3°C | 23.9°C | 38.5°C | 20.2°C | 4 mm | 57% | 5.6 m/s | 6.6 |
| 2001 | 32.9°C | 27.7°C | 22.6°C | 38.2°C | 18.4°C | 0 mm | 53% | 5.8 m/s | 6.9 |
| 2000 🌧️ | 31.0°C | 27.8°C | 24.7°C | 38.7°C | 20.5°C | 240 mm | 73% | 6.1 m/s | 5.6 |
| 1999 | 32.6°C | 28.4°C | 24.3°C | 38.3°C | 20.2°C | 35 mm | 62% | 6.2 m/s | 6.1 |
| 1998 | 34.5°C | 29.4°C | 24.4°C | 39.7°C | 21.0°C | 4 mm | 53% | 4.9 m/s | 6.5 |
| 1997 | 31.1°C | 27.1°C | 23.0°C | 40.4°C | 19.3°C | 15 mm | 61% | 6.2 m/s | 6.8 |
| 1996 | 32.8°C | 28.3°C | 23.8°C | 42.2°C | 20.3°C | 1 mm | 57% | 6.2 m/s | 6.6 |
| 1995 | 34.4°C | 29.2°C | 23.9°C | 38.0°C | 20.9°C | 3 mm | 52% | 5.1 m/s | 6.9 |
| 1994 | 33.4°C | 28.5°C | 23.6°C | 38.8°C | 19.4°C | 1 mm | 59% | 5 m/s | 6.7 |
| 1993 ❄️ | 30.1°C | 25.8°C | 21.5°C | 39.4°C | 18.2°C | 0 mm | 62% | 6.3 m/s | 6.6 |
| 1992 | 29.8°C | 26.4°C | 23.0°C | 34.0°C | 21.4°C | 2 mm | 65% | 5.4 m/s | 6.4 |
| 1991 | 30.8°C | 26.6°C | 22.5°C | 39.4°C | 19.3°C | 1 mm | 65% | 5.7 m/s | 6.6 |
| 1990 | 33.1°C | 28.8°C | 24.6°C | 39.7°C | 19.1°C | 18 mm | 62% | 6.4 m/s | 6.4 |
| 1989 | 33.5°C | 28.9°C | 24.3°C | 38.5°C | 21.7°C | 8 mm | 52% | 6.1 m/s | 6.8 |
| 1988 | 34.7°C | 29.8°C | 24.9°C | 41.5°C | 20.6°C | 7 mm | 57% | 5.3 m/s | 6.4 |
| 1987 | 32.4°C | 28.3°C | 24.1°C | 38.4°C | 21.2°C | 4 mm | 58% | 4.7 m/s | 6.2 |
| 1986 | 33.0°C | 28.2°C | 23.4°C | 42.5°C | 19.9°C | 2 mm | 59% | 6.1 m/s | 6.6 |
| 1985 | 33.7°C | 29.1°C | 24.6°C | 40.1°C | 21.0°C | 0 mm | 57% | 6.3 m/s | 7 |
| 1984 | 31.1°C | 26.6°C | 22.1°C | 34.2°C | 19.3°C | 47 mm | 62% | 6.2 m/s | 6.5 |
| 1983 | 33.1°C | 28.7°C | 24.2°C | 39.8°C | 20.9°C | 10 mm | 58% | 5.2 m/s | — |
| 1982 | 31.9°C | 27.2°C | 22.6°C | 36.8°C | 18.9°C | 39 mm | 57% | 6.1 m/s | — |
| 1981 | 31.7°C | 27.5°C | 23.4°C | 36.7°C | 21.0°C | 21 mm | 61% | 4.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 32.8°C with lows near 23.9°C (mean 28.4°C), based on 45 years of NASA POWER data.
March averages 19 mm of rainfall in Carnarvon, about average for rainfall. The wettest on record was 240 mm in 2000.
The hottest March reached 43.8°C in 2025. The coldest dipped to 18.2°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.5°C. Daytime highs moved from 32.3°C to 33.9°C and overnight lows from 23.4°C to 24.8°C over the same span.
March is one of the warmer months of the year in Carnarvon and about average for rainfall, so plan for around 32.8°C daytime highs and 23.9°C at night.
Not quite — March is the 11th coolest month in Carnarvon, averaging 28.4°C.
For March in Carnarvon, pack light, breathable clothing and sun protection, with typical highs of 32.8°C and lows of 23.9°C.
Relative humidity in March averages 59% — moderately humid.
Average wind speed in March is 5.7 m/s. The windiest March on record averaged 6.5 m/s (2017).
The wettest March on record was 2000 with 240 mm. On average, March sees 19 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 Carnarvon 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.
