March is one of the warmer months of the year in Streaky Bay, with average highs near 25.4°C and lows around 16.2°C (mean 20.8°C). It is one of the drier months, averaging 15 mm of rainfall and 64% relative humidity across the period.
March is one of the warmer months of the year in Streaky Bay. Across 45 years of records, the warmest Marchs in Streaky Bay were 2008 and 2025 — when the month averaged 23.3°C — while the coldest was 1981 at 19°C. Typical March days reach 25.4°C with nights near 16.2°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Streaky Bay, averaging 15 mm of rainfall. The wettest March on record was 2011 with 63 mm, while the driest were 2017, 2018 and 2019, among others at 0 mm.
Relative humidity in Streaky Bay during March averages 64%. The most humid March was 1983 at 74%, and the least humid was 2008 at 50%.
March receives about 5.9 kWh/m²/day of solar energy in Streaky Bay. The sunniest March was 1994 at 6.6 kWh/m²/day, and the cloudiest was 2011 at 5.
Average wind speed in Streaky Bay during March is 4.2 m/s. The windiest Marchs were 2011 and 2025 at 4.7 m/s, while the calmest was 2016 at 3.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.6°C | 20.5°C | 20.8°C | 20.9°C | 21.4°C | +0.8°C |
| Avg High | 25.3°C | 25.1°C | 25.7°C | 25.2°C | 26.0°C | +0.7°C |
| Avg Low | 15.9°C | 15.9°C | 16.0°C | 16.5°C | 16.8°C | +0.9°C |
| Avg Rain | 20 mm | 7 mm | 19 mm | 15 mm | 15 mm | -5 mm |
March temperatures in Streaky Bay have risen by about 1.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 11°C (1984) to a record high of 39.5°C (1986).
Rainfall in March is one of the drier months, averaging 15 mm, with a wettest year of 63 mm.
One of the best times to visit Streaky Bay
March is one of the best times to visit Streaky Bay. Expect days averaging 25.4°C and nights around 16.2°C (mean 20.8°C) — warmer than Streaky Bay's yearly average — with low rainfall (15 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 | 28.4°C | 23.3°C | 18.2°C | 39.0°C | 14.8°C | 5 mm | 62% | 4.7 m/s | 6.2 |
| 2024 | 26.7°C | 21.9°C | 17.2°C | 36.8°C | 11.5°C | 21 mm | 63% | 4.1 m/s | 5.7 |
| 2023 | 24.6°C | 20.5°C | 16.5°C | 35.2°C | 14.1°C | 7 mm | 70% | 4 m/s | 5.6 |
| 2022 | 26.1°C | 21.4°C | 16.8°C | 35.4°C | 13.6°C | 8 mm | 65% | 4.3 m/s | 6 |
| 2021 | 25.5°C | 20.8°C | 16.1°C | 30.9°C | 13.1°C | 12 mm | 65% | 3.9 m/s | 6.1 |
| 2020 | 24.8°C | 20.5°C | 16.2°C | 33.9°C | 12.5°C | 36 mm | 63% | 4.2 m/s | 5.4 |
| 2019 | 24.6°C | 20.7°C | 16.7°C | 37.8°C | 13.5°C | 0 mm | 66% | 4 m/s | 5.8 |
| 2018 | 25.4°C | 21.0°C | 16.6°C | 33.9°C | 13.8°C | 0 mm | 64% | 4.3 m/s | 6.3 |
| 2017 | 26.7°C | 22.0°C | 17.3°C | 36.3°C | 13.1°C | 0 mm | 64% | 4.5 m/s | 6.2 |
| 2016 | 25.5°C | 21.3°C | 17.0°C | 31.9°C | 13.0°C | 24 mm | 69% | 3.5 m/s | 5.3 |
| 2015 | 24.0°C | 19.8°C | 15.5°C | 32.5°C | 12.2°C | 4 mm | 65% | 3.9 m/s | 5.9 |
| 2014 | 24.6°C | 20.1°C | 15.6°C | 31.5°C | 13.1°C | 5 mm | 69% | 4 m/s | 6 |
| 2013 | 26.5°C | 22.2°C | 17.8°C | 34.7°C | 14.0°C | 20 mm | 61% | 4 m/s | 5.8 |
| 2012 | 24.6°C | 20.3°C | 15.9°C | 32.1°C | 13.8°C | 8 mm | 64% | 4.2 m/s | 5.9 |
| 2011 🌧️ | 23.6°C | 19.6°C | 15.7°C | 32.7°C | 12.8°C | 63 mm | 72% | 4.7 m/s | 5 |
| 2010 | 26.3°C | 21.6°C | 17.0°C | 32.4°C | 13.1°C | 30 mm | 61% | 4.1 m/s | 5.8 |
| 2009 | 24.8°C | 20.4°C | 16.0°C | 31.8°C | 13.0°C | 52 mm | 66% | 4 m/s | 5.6 |
| 2008 🔥 | 28.7°C | 23.3°C | 17.9°C | 37.7°C | 12.0°C | 3 mm | 50% | 3.6 m/s | 6.3 |
| 2007 | 25.1°C | 20.7°C | 16.3°C | 35.3°C | 11.9°C | 36 mm | 64% | 4.4 m/s | 5.4 |
| 2006 | 26.3°C | 21.4°C | 16.5°C | 37.3°C | 13.3°C | 42 mm | 64% | 4.1 m/s | 6 |
| 2005 | 26.1°C | 20.9°C | 15.7°C | 34.8°C | 12.2°C | 2 mm | 59% | 4.3 m/s | 6.1 |
| 2004 | 25.7°C | 20.6°C | 15.5°C | 35.2°C | 12.0°C | 12 mm | 60% | 4.3 m/s | 6.2 |
| 2003 | 24.0°C | 19.2°C | 14.5°C | 31.7°C | 11.6°C | 2 mm | 64% | 3.9 m/s | 6.2 |
| 2002 | 24.9°C | 20.1°C | 15.2°C | 33.9°C | 13.3°C | 3 mm | 64% | 4.2 m/s | 6.4 |
| 2001 | 25.4°C | 20.4°C | 15.5°C | 35.9°C | 11.6°C | 13 mm | 61% | 4.5 m/s | 6.1 |
| 2000 | 25.6°C | 21.2°C | 16.9°C | 37.4°C | 11.4°C | 23 mm | 63% | 4.2 m/s | 5.5 |
| 1999 | 24.3°C | 20.3°C | 16.3°C | 34.2°C | 11.2°C | 12 mm | 66% | 4.4 m/s | 5.5 |
| 1998 | 26.0°C | 21.0°C | 16.1°C | 36.1°C | 13.6°C | 6 mm | 63% | 3.9 m/s | 6.1 |
| 1997 | 23.2°C | 19.1°C | 15.0°C | 29.4°C | 12.6°C | 2 mm | 65% | 4.5 m/s | 6.4 |
| 1996 | 26.8°C | 21.7°C | 16.6°C | 34.6°C | 12.7°C | 11 mm | 56% | 4.2 m/s | 6 |
| 1995 | 23.1°C | 19.1°C | 15.0°C | 33.5°C | 12.3°C | 7 mm | 71% | 4.3 m/s | 6 |
| 1994 | 27.0°C | 21.3°C | 15.7°C | 33.3°C | 11.8°C | 0 mm | 54% | 3.7 m/s | 6.6 |
| 1993 | 24.8°C | 20.2°C | 15.6°C | 33.4°C | 12.0°C | 3 mm | 66% | 4 m/s | 5.7 |
| 1992 | 25.5°C | 20.8°C | 16.1°C | 33.9°C | 13.0°C | 19 mm | 68% | 3.9 m/s | 5.7 |
| 1991 | 23.7°C | 19.4°C | 15.1°C | 33.7°C | 12.2°C | 6 mm | 64% | 4.2 m/s | 6.2 |
| 1990 | 27.0°C | 22.0°C | 17.0°C | 36.3°C | 13.3°C | 4 mm | 62% | 4.4 m/s | 6.4 |
| 1989 | 25.9°C | 21.5°C | 17.0°C | 36.7°C | 13.0°C | 16 mm | 64% | 4.5 m/s | 5.4 |
| 1988 | 26.5°C | 21.5°C | 16.5°C | 34.8°C | 11.9°C | 9 mm | 60% | 4.2 m/s | 5.9 |
| 1987 | 24.2°C | 19.5°C | 14.8°C | 35.4°C | 11.2°C | 2 mm | 59% | 4.2 m/s | 6 |
| 1986 | 27.8°C | 22.3°C | 16.7°C | 39.5°C | 13.6°C | 0 mm | 58% | 4.5 m/s | 6.4 |
| 1985 | 27.0°C | 21.5°C | 16.0°C | 34.9°C | 13.0°C | 11 mm | 61% | 4.3 m/s | 6.1 |
| 1984 | 24.4°C | 19.7°C | 15.0°C | 34.6°C | 11.0°C | 15 mm | 60% | 4.1 m/s | 5.9 |
| 1983 | 23.5°C | 19.8°C | 16.1°C | 31.0°C | 13.0°C | 57 mm | 74% | 4.2 m/s | — |
| 1982 | 25.2°C | 20.6°C | 16.0°C | 35.0°C | 11.7°C | 47 mm | 64% | 4.2 m/s | — |
| 1981 ❄️ | 23.1°C | 19.0°C | 15.0°C | 32.4°C | 12.2°C | 19 mm | 65% | 3.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 25.4°C with lows near 16.2°C (mean 20.8°C), based on 45 years of NASA POWER data.
March averages 15 mm of rainfall in Streaky Bay, one of the drier months. The wettest on record was 63 mm in 2011.
The hottest March reached 39.5°C in 1986. The coldest dipped to 11°C in 1984.
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 24.6°C to 26.3°C and overnight lows from 15.6°C to 17°C over the same span.
March is one of the warmer months of the year in Streaky Bay and one of the drier months, so plan for around 25.4°C daytime highs and 16.2°C at night.
Not quite — March is the 10th coolest month in Streaky Bay, averaging 20.8°C.
For March in Streaky Bay, pack light layers you can adjust through the day, with typical highs of 25.4°C and lows of 16.2°C.
Relative humidity in March averages 64% — moderately humid.
Average wind speed in March is 4.2 m/s. The windiest March on record averaged 4.7 m/s (2011).
The wettest March on record was 2011 with 63 mm. On average, March sees 15 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 Streaky Bay 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.
