March is one of the warmer months of the year in Invercargill, with average highs near 15.9°C and lows around 10.8°C (mean 13.4°C). It is about average for rainfall, averaging 101 mm of rainfall and 80% relative humidity across the period.
March is one of the warmer months of the year in Invercargill. Across 45 years of records, the warmest March in Invercargill was 2019 — when the month averaged 15.8°C — while the coldest were 1983 and 1992 at 11.4°C. Typical March days reach 15.9°C with nights near 10.8°C. The long-term trend is warming, about 0.2°C per decade.
March is about average for rainfall in Invercargill, averaging 101 mm of rainfall. The wettest March on record was 1989 with 185 mm, while the driest was 2022 at 32 mm.
Relative humidity in Invercargill during March averages 80%. The most humid March was 1984 at 84%, and the least humid was 1985 at 77%.
March receives about 3.7 kWh/m²/day of solar energy in Invercargill. The sunniest March was 2022 at 4.1 kWh/m²/day, and the cloudiest were 2004, 2005 and 2010, among others at 3.4.
Average wind speed in Invercargill during March is 4.1 m/s. The windiest March was 1992 at 6.3 m/s, while the calmest were 1984 and 1991 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.2°C | 13.1°C | 13.3°C | 13.7°C | 13.9°C | +0.7°C |
| Avg High | 15.8°C | 15.5°C | 15.8°C | 16.3°C | 16.5°C | +0.7°C |
| Avg Low | 10.6°C | 10.7°C | 10.7°C | 11.1°C | 11.2°C | +0.6°C |
| Avg Rain | 109 mm | 98 mm | 101 mm | 101 mm | 95 mm | -14 mm |
March temperatures in Invercargill have risen by about 0.6°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 5.6°C (1983) to a record high of 24.1°C (2003).
Rainfall in March is about average for rainfall, averaging 101 mm, with a wettest year of 185 mm.
One of the best times to visit Invercargill
March is one of the best times to visit Invercargill. Expect days averaging 15.9°C and nights around 10.8°C (mean 13.4°C) — warmer than Invercargill's yearly average — with higher rainfall (101 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 | 16.6°C | 14.2°C | 11.7°C | 20.9°C | 9.0°C | 97 mm | 80% | 3.5 m/s | 3.6 |
| 2024 | 14.5°C | 12.2°C | 9.9°C | 19.7°C | 7.5°C | 129 mm | 79% | 4.9 m/s | 3.6 |
| 2023 | 17.0°C | 14.3°C | 11.6°C | 22.6°C | 6.7°C | 140 mm | 78% | 4.4 m/s | 3.8 |
| 2022 | 18.4°C | 15.4°C | 12.3°C | 23.6°C | 9.5°C | 32 mm | 81% | 3.3 m/s | 4.1 |
| 2021 | 16.3°C | 13.9°C | 11.5°C | 22.2°C | 9.4°C | 76 mm | 81% | 3.5 m/s | 3.7 |
| 2020 | 15.9°C | 13.1°C | 10.2°C | 21.9°C | 8.0°C | 95 mm | 78% | 3.8 m/s | 3.6 |
| 2019 🔥 | 18.6°C | 15.8°C | 13.0°C | 22.8°C | 10.0°C | 76 mm | 80% | 3 m/s | 4 |
| 2018 | 17.3°C | 14.8°C | 12.3°C | 22.5°C | 8.5°C | 125 mm | 79% | 4 m/s | 3.6 |
| 2017 | 15.4°C | 12.9°C | 10.4°C | 19.9°C | 8.5°C | 59 mm | 81% | 3.7 m/s | 3.6 |
| 2016 | 16.8°C | 14.0°C | 11.2°C | 21.8°C | 7.2°C | 85 mm | 80% | 3.6 m/s | 3.6 |
| 2015 | 16.2°C | 13.4°C | 10.6°C | 21.2°C | 7.6°C | 102 mm | 80% | 3.3 m/s | 3.5 |
| 2014 | 15.8°C | 13.4°C | 10.9°C | 19.3°C | 8.3°C | 65 mm | 81% | 3.5 m/s | 3.6 |
| 2013 | 16.8°C | 14.1°C | 11.4°C | 22.4°C | 8.0°C | 53 mm | 80% | 3.4 m/s | 3.7 |
| 2012 | 15.3°C | 12.4°C | 9.5°C | 19.3°C | 7.2°C | 118 mm | 79% | 3.7 m/s | 3.8 |
| 2011 | 15.6°C | 13.0°C | 10.4°C | 20.0°C | 7.6°C | 143 mm | 81% | 4.2 m/s | 3.8 |
| 2010 | 15.5°C | 13.2°C | 10.8°C | 20.7°C | 6.9°C | 183 mm | 81% | 5.2 m/s | 3.4 |
| 2009 | 15.6°C | 13.1°C | 10.6°C | 21.9°C | 6.4°C | 105 mm | 80% | 4.5 m/s | 3.6 |
| 2008 | 16.6°C | 13.8°C | 11.0°C | 21.8°C | 7.5°C | 120 mm | 80% | 3.9 m/s | 3.7 |
| 2007 | 16.7°C | 13.9°C | 11.1°C | 22.2°C | 6.4°C | 166 mm | 82% | 4.2 m/s | 3.5 |
| 2006 | 14.0°C | 11.5°C | 9.0°C | 19.2°C | 6.4°C | 129 mm | 80% | 4.5 m/s | 3.5 |
| 2005 | 15.9°C | 13.5°C | 11.2°C | 20.4°C | 6.4°C | 82 mm | 82% | 4.2 m/s | 3.4 |
| 2004 | 14.5°C | 12.4°C | 10.2°C | 20.6°C | 7.8°C | 103 mm | 81% | 4.3 m/s | 3.4 |
| 2003 | 16.8°C | 14.0°C | 11.2°C | 24.1°C | 7.9°C | 54 mm | 82% | 3.3 m/s | 3.9 |
| 2002 | 15.3°C | 13.2°C | 11.0°C | 19.4°C | 7.8°C | 109 mm | 79% | 5.4 m/s | 3.6 |
| 2001 | 16.9°C | 14.1°C | 11.3°C | 24.0°C | 7.6°C | 64 mm | 78% | 3.8 m/s | 3.7 |
| 2000 | 15.9°C | 13.2°C | 10.4°C | 19.8°C | 6.5°C | 78 mm | 80% | 4.1 m/s | 3.7 |
| 1999 | 18.0°C | 15.2°C | 12.5°C | 22.7°C | 9.3°C | 113 mm | 80% | 4.4 m/s | 3.6 |
| 1998 | 16.0°C | 13.4°C | 10.9°C | 22.7°C | 8.4°C | 171 mm | 81% | 5.2 m/s | 3.4 |
| 1997 | 14.9°C | 12.4°C | 9.9°C | 18.6°C | 7.3°C | 87 mm | 80% | 4.6 m/s | 3.8 |
| 1996 | 15.3°C | 13.0°C | 10.6°C | 20.3°C | 8.6°C | 82 mm | 79% | 3.6 m/s | 3.5 |
| 1995 | 14.8°C | 12.6°C | 10.3°C | 20.3°C | 7.4°C | 161 mm | 80% | 4.9 m/s | 3.9 |
| 1994 | 14.9°C | 12.6°C | 10.4°C | 20.1°C | 7.5°C | 78 mm | 80% | 4.2 m/s | 3.5 |
| 1993 | 14.7°C | 12.3°C | 9.9°C | 22.8°C | 5.7°C | 100 mm | 80% | 4.2 m/s | 3.6 |
| 1992 | 13.3°C | 11.4°C | 9.6°C | 17.9°C | 6.9°C | 90 mm | 79% | 6.3 m/s | 3.7 |
| 1991 | 16.9°C | 14.2°C | 11.4°C | 21.1°C | 8.7°C | 49 mm | 81% | 2.8 m/s | 3.9 |
| 1990 | 15.9°C | 13.6°C | 11.4°C | 19.3°C | 7.4°C | 53 mm | 78% | 4.5 m/s | 3.8 |
| 1989 🌧️ | 15.3°C | 13.1°C | 10.8°C | 20.3°C | 8.1°C | 185 mm | 80% | 5.1 m/s | 3.5 |
| 1988 | 14.4°C | 11.9°C | 9.5°C | 21.2°C | 6.6°C | 75 mm | 79% | 4.8 m/s | 3.7 |
| 1987 | 15.5°C | 13.0°C | 10.4°C | 20.2°C | 7.6°C | 147 mm | 82% | 3.6 m/s | 3.6 |
| 1986 | 16.7°C | 13.9°C | 11.1°C | 20.3°C | 8.8°C | 92 mm | 80% | 3.9 m/s | 3.9 |
| 1985 | 15.9°C | 13.4°C | 11.0°C | 21.7°C | 8.1°C | 51 mm | 77% | 3.5 m/s | 3.8 |
| 1984 | 17.2°C | 14.4°C | 11.6°C | 21.3°C | 7.6°C | 138 mm | 84% | 2.8 m/s | 3.4 |
| 1983 ❄️ | 13.6°C | 11.4°C | 9.2°C | 20.7°C | 5.6°C | 140 mm | 79% | 5.4 m/s | — |
| 1982 | 16.6°C | 13.9°C | 11.3°C | 22.5°C | 6.9°C | 47 mm | 81% | 3.5 m/s | — |
| 1981 | 16.6°C | 13.8°C | 10.9°C | 20.4°C | 6.2°C | 103 mm | 81% | 3.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 15.9°C with lows near 10.8°C (mean 13.4°C), based on 45 years of NASA POWER data.
March averages 101 mm of rainfall in Invercargill, about average for rainfall. The wettest on record was 185 mm in 1989.
The hottest March reached 24.1°C in 2003. The coldest dipped to 5.6°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.6°C. Daytime highs moved from 16°C to 16.6°C and overnight lows from 10.8°C to 11.4°C over the same span.
March is one of the warmer months of the year in Invercargill and about average for rainfall, so plan for around 15.9°C daytime highs and 10.8°C at night.
Not quite — March is the 10th coolest month in Invercargill, averaging 13.4°C.
For March in Invercargill, pack light layers you can adjust through the day, with typical highs of 15.9°C and lows of 10.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 80% — quite humid.
Average wind speed in March is 4.1 m/s. The windiest March on record averaged 6.3 m/s (1992).
The wettest March on record was 1989 with 185 mm. On average, March sees 101 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 Invercargill 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.
