March is one of the cooler months of the year in Bay Shore, with average highs near 6.4°C and lows around 2.1°C (mean 4.3°C). It is a relatively wet time of year, averaging 122 mm of rainfall and 81% relative humidity across the period.
March is one of the cooler months of the year in Bay Shore. Across 45 years of records, the warmest March in Bay Shore was 2012 — when the month averaged 7.7°C — while the coldest were 1984 and 1996 at 1.9°C. Typical March days reach 6.4°C with nights near 2.1°C. The long-term trend is warming, about 0.3°C per decade.
March is a relatively wet time of year in Bay Shore, averaging 122 mm of rainfall. The wettest March on record was 2024 with 303 mm, while the driest was 2006 at 25 mm.
Relative humidity in Bay Shore during March averages 81%. The most humid March was 2010 at 86%, and the least humid was 1985 at 77%.
March receives about 3.9 kWh/m²/day of solar energy in Bay Shore. The sunniest March was 1988 at 4.7 kWh/m²/day, and the cloudiest was 1984 at 3.3.
Average wind speed in Bay Shore during March is 5.7 m/s. The windiest March was 1999 at 7 m/s, while the calmest was 1995 at 4.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.9°C | 3.8°C | 4.1°C | 4.2°C | 5.8°C | +1.9°C |
| Avg High | 6.1°C | 5.9°C | 6.3°C | 6.2°C | 7.9°C | +1.8°C |
| Avg Low | 1.7°C | 1.6°C | 2.0°C | 2.2°C | 3.7°C | +2°C |
| Avg Rain | 109 mm | 121 mm | 106 mm | 134 mm | 146 mm | +37 mm |
March temperatures in Bay Shore have risen by about 1.8°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -9°C (1986) to a record high of 16°C (1989).
Rainfall in March is a relatively wet time of year, averaging 122 mm, with a wettest year of 303 mm.
A quieter season to visit Bay Shore
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Bay Shore. That said, March — with days averaging 6.4°C and nights around 2.1°C (mean 4.3°C) and higher rainfall (122 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 7.8°C | 5.5°C | 3.3°C | 14.5°C | -3.3°C | 91 mm | 83% | 5.8 m/s | 4.1 |
| 2024 🌧️ | 8.6°C | 6.4°C | 4.2°C | 13.3°C | -0.3°C | 303 mm | 82% | 5.7 m/s | 3.9 |
| 2023 | 7.8°C | 5.6°C | 3.5°C | 11.1°C | 0.0°C | 114 mm | 80% | 5.7 m/s | 3.9 |
| 2022 | 7.5°C | 5.4°C | 3.2°C | 12.3°C | -3.0°C | 117 mm | 81% | 5.6 m/s | 3.8 |
| 2021 | 7.3°C | 5.1°C | 2.9°C | 15.9°C | -3.8°C | 124 mm | 80% | 5.5 m/s | 4.4 |
| 2020 | 8.5°C | 6.6°C | 4.8°C | 13.1°C | -2.3°C | 125 mm | 82% | 5.4 m/s | 3.8 |
| 2019 | 5.4°C | 3.6°C | 1.8°C | 9.4°C | -5.7°C | 134 mm | 79% | 5.5 m/s | 4.1 |
| 2018 | 5.3°C | 3.6°C | 1.9°C | 9.3°C | -1.0°C | 143 mm | 80% | 6.9 m/s | 3.8 |
| 2017 | 5.6°C | 3.1°C | 0.7°C | 11.7°C | -6.9°C | 193 mm | 78% | 6.7 m/s | 3.7 |
| 2016 | 8.2°C | 6.2°C | 4.2°C | 12.4°C | -1.4°C | 68 mm | 81% | 5.5 m/s | 4.2 |
| 2015 | 4.1°C | 2.0°C | -0.1°C | 9.0°C | -8.4°C | 177 mm | 80% | 5.2 m/s | 3.6 |
| 2014 | 4.6°C | 2.2°C | -0.1°C | 10.3°C | -6.0°C | 131 mm | 77% | 5.9 m/s | 3.7 |
| 2013 | 5.5°C | 3.7°C | 1.9°C | 9.6°C | -0.7°C | 77 mm | 80% | 6.1 m/s | 3.7 |
| 2012 🔥 | 9.6°C | 7.7°C | 5.7°C | 14.5°C | -1.6°C | 31 mm | 83% | 5.2 m/s | 3.9 |
| 2011 | 6.4°C | 4.2°C | 2.0°C | 13.5°C | -4.9°C | 108 mm | 79% | 5.8 m/s | 4.3 |
| 2010 | 7.7°C | 5.9°C | 4.0°C | 10.2°C | -0.2°C | 279 mm | 86% | 5.5 m/s | 3.5 |
| 2009 | 5.9°C | 3.9°C | 2.0°C | 12.3°C | -6.5°C | 50 mm | 81% | 5.1 m/s | 3.8 |
| 2008 | 7.1°C | 4.8°C | 2.5°C | 12.2°C | -0.4°C | 124 mm | 78% | 6 m/s | 4 |
| 2007 | 6.1°C | 3.7°C | 1.2°C | 15.1°C | -8.8°C | 125 mm | 81% | 5.8 m/s | 4.2 |
| 2006 | 6.5°C | 4.4°C | 2.3°C | 12.1°C | -3.8°C | 25 mm | 77% | 5.6 m/s | 4.4 |
| 2005 | 4.7°C | 2.7°C | 0.7°C | 10.0°C | -6.0°C | 97 mm | 80% | 5.5 m/s | 3.8 |
| 2004 | 5.8°C | 3.9°C | 2.1°C | 13.4°C | -2.0°C | 96 mm | 84% | 5.5 m/s | 3.5 |
| 2003 | 6.0°C | 3.6°C | 1.2°C | 11.4°C | -8.2°C | 120 mm | 85% | 5 m/s | 4 |
| 2002 | 7.6°C | 5.3°C | 3.0°C | 13.1°C | -3.4°C | 122 mm | 81% | 5.8 m/s | 3.6 |
| 2001 | 5.1°C | 3.2°C | 1.3°C | 8.9°C | -2.3°C | 205 mm | 81% | 5.5 m/s | 3.4 |
| 2000 | 8.1°C | 5.9°C | 3.6°C | 13.2°C | -2.9°C | 100 mm | 82% | 5.6 m/s | 4.1 |
| 1999 | 6.9°C | 4.2°C | 1.6°C | 12.4°C | -5.9°C | 111 mm | 79% | 7 m/s | 4.3 |
| 1998 | 6.4°C | 4.7°C | 3.0°C | 15.6°C | -4.6°C | 171 mm | 84% | 5.7 m/s | 3.8 |
| 1997 | 6.6°C | 4.4°C | 2.1°C | 11.7°C | -2.4°C | 152 mm | 80% | 6.2 m/s | 3.6 |
| 1996 | 4.0°C | 1.9°C | -0.2°C | 8.2°C | -7.9°C | 84 mm | 80% | 5.6 m/s | 3.7 |
| 1995 | 6.5°C | 4.5°C | 2.5°C | 9.9°C | -5.0°C | 39 mm | 83% | 4.6 m/s | 4.3 |
| 1994 | 5.0°C | 2.9°C | 0.8°C | 11.5°C | -4.3°C | 173 mm | 85% | 5.5 m/s | 3.6 |
| 1993 | 4.6°C | 2.5°C | 0.3°C | 10.3°C | -7.5°C | 185 mm | 85% | 5.7 m/s | 3.4 |
| 1992 | 5.2°C | 3.0°C | 0.7°C | 10.2°C | -5.0°C | 91 mm | 80% | 5.9 m/s | 3.6 |
| 1991 | 6.9°C | 4.7°C | 2.5°C | 13.6°C | -3.5°C | 140 mm | 84% | 5.9 m/s | 3.5 |
| 1990 | 6.8°C | 4.7°C | 2.6°C | 15.2°C | -6.0°C | 69 mm | 82% | 5 m/s | 3.9 |
| 1989 | 5.5°C | 3.5°C | 1.5°C | 16.0°C | -6.4°C | 123 mm | 82% | 5.7 m/s | 3.4 |
| 1988 | 6.4°C | 4.1°C | 1.8°C | 11.4°C | -4.1°C | 87 mm | 80% | 5.5 m/s | 4.7 |
| 1987 | 6.6°C | 4.4°C | 2.2°C | 12.7°C | -5.4°C | 122 mm | 83% | 5.2 m/s | 4.2 |
| 1986 | 6.5°C | 4.1°C | 1.8°C | 14.0°C | -9.0°C | 72 mm | 82% | 5.5 m/s | 4.6 |
| 1985 | 7.3°C | 4.9°C | 2.6°C | 13.1°C | -2.2°C | 72 mm | 77% | 5.9 m/s | 4.3 |
| 1984 ❄️ | 4.2°C | 1.9°C | -0.3°C | 10.0°C | -7.4°C | 168 mm | 81% | 6.7 m/s | 3.3 |
| 1983 | 7.2°C | 5.1°C | 2.9°C | 10.6°C | -2.3°C | 208 mm | 83% | 6.5 m/s | — |
| 1982 | 6.0°C | 3.7°C | 1.4°C | 9.6°C | -3.4°C | 89 mm | 82% | 5.2 m/s | — |
| 1981 | 5.6°C | 3.4°C | 1.1°C | 12.6°C | -5.0°C | 37 mm | 79% | 5.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 6.4°C with lows near 2.1°C (mean 4.3°C), based on 45 years of NASA POWER data.
March averages 122 mm of rainfall in Bay Shore, a relatively wet time of year. The wettest on record was 303 mm in 2024.
The hottest March reached 16°C in 1989. The coldest dipped to -9°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.8°C. Daytime highs moved from 6.1°C to 7.8°C and overnight lows from 1.5°C to 3.4°C over the same span.
March is one of the cooler months of the year in Bay Shore and a relatively wet time of year, so plan for around 6.4°C daytime highs and 2.1°C at night.
Not quite — March is the 3rd coolest month in Bay Shore, averaging 4.3°C.
For March in Bay Shore, pack warm layers and a jacket for chilly mornings, with typical highs of 6.4°C and lows of 2.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 81% — quite humid.
Average wind speed in March is 5.7 m/s. The windiest March on record averaged 7 m/s (1999).
The wettest March on record was 2024 with 303 mm. On average, March sees 122 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 Bay Shore 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.
