March is one of the cooler months of the year in Bremerton, with average highs near 10.9°C and lows around 3.2°C (mean 7.1°C). It is a relatively wet time of year, averaging 131 mm of rainfall and 85% relative humidity across the period.
March is one of the cooler months of the year in Bremerton. Across 45 years of records, the warmest March in Bremerton was 1992 — when the month averaged 10.2°C — while the coldest was 2009 at 4.6°C. Typical March days reach 10.9°C with nights near 3.2°C. The long-term trend is cooling, about 0.2°C per decade.
March is a relatively wet time of year in Bremerton, averaging 131 mm of rainfall. The wettest March on record was 2014 with 260 mm, while the driest was 2019 at 33 mm.
Relative humidity in Bremerton during March averages 85%. The most humid March was 2025 at 92%, and the least humid was 1992 at 79%.
March receives about 2.9 kWh/m²/day of solar energy in Bremerton. The sunniest March was 2019 at 3.7 kWh/m²/day, and the cloudiest was 2017 at 2.3.
Average wind speed in Bremerton during March is 0.8 m/s. The windiest Marchs were 2012, 2016 and 2017, among others at 1 m/s, while the calmest was 1992 at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.3°C | 7.5°C | 6.7°C | 7.2°C | 6.7°C | -0.6°C |
| Avg High | 11.3°C | 11.5°C | 10.5°C | 10.9°C | 10.3°C | -1°C |
| Avg Low | 3.3°C | 3.4°C | 3.0°C | 3.4°C | 3.1°C | -0.2°C |
| Avg Rain | 135 mm | 124 mm | 120 mm | 157 mm | 108 mm | -27 mm |
March temperatures in Bremerton have fallen by about 0.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -5.9°C (1989) to a record high of 23°C (1994).
Rainfall in March is a relatively wet time of year, averaging 131 mm, with a wettest year of 260 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Bremerton
March is a good time to visit Bremerton, with days averaging 10.9°C and nights around 3.2°C (mean 7.1°C, cooler than Bremerton's yearly average) and higher rainfall. August and July are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 9.7°C | 6.8°C | 3.9°C | 16.6°C | 0.3°C | 168 mm | 92% | 0.8 m/s | 2.6 |
| 2024 | 11.2°C | 7.6°C | 4.0°C | 22.0°C | -0.7°C | 97 mm | 86% | 0.8 m/s | 3.1 |
| 2023 | 9.7°C | 5.9°C | 2.0°C | 16.2°C | -1.8°C | 105 mm | 85% | 0.8 m/s | 3 |
| 2022 | 11.0°C | 7.6°C | 4.2°C | 17.2°C | -0.5°C | 100 mm | 87% | 0.7 m/s | 2.9 |
| 2021 | 10.5°C | 6.3°C | 2.1°C | 16.0°C | -1.4°C | 88 mm | 83% | 0.8 m/s | 3.3 |
| 2020 | 9.4°C | 5.7°C | 2.1°C | 15.2°C | -3.5°C | 94 mm | 85% | 0.9 m/s | 3.2 |
| 2019 | 12.0°C | 7.2°C | 2.3°C | 20.5°C | -4.0°C | 33 mm | 80% | 0.7 m/s | 3.7 |
| 2018 | 10.5°C | 6.6°C | 2.6°C | 17.5°C | -0.9°C | 74 mm | 85% | 0.8 m/s | 3.1 |
| 2017 | 9.5°C | 6.4°C | 3.4°C | 13.3°C | -0.4°C | 243 mm | 90% | 1 m/s | 2.3 |
| 2016 | 12.0°C | 8.4°C | 4.8°C | 19.6°C | 0.4°C | 201 mm | 85% | 1 m/s | 2.9 |
| 2015 | 13.4°C | 9.5°C | 5.6°C | 19.6°C | -0.5°C | 122 mm | 82% | 0.8 m/s | 3.1 |
| 2014 🌧️ | 11.4°C | 7.7°C | 3.9°C | 18.3°C | -0.6°C | 260 mm | 86% | 0.8 m/s | 2.8 |
| 2013 | 11.2°C | 7.3°C | 3.5°C | 19.6°C | -1.1°C | 100 mm | 85% | 0.8 m/s | 2.9 |
| 2012 | 8.6°C | 5.3°C | 2.0°C | 14.9°C | -2.5°C | 209 mm | 87% | 1 m/s | 2.6 |
| 2011 | 9.2°C | 6.1°C | 3.0°C | 13.6°C | 0.4°C | 217 mm | 88% | 1 m/s | 2.4 |
| 2010 | 11.4°C | 7.4°C | 3.4°C | 18.3°C | -2.3°C | 109 mm | 83% | 0.9 m/s | 3.1 |
| 2009 ❄️ | 8.2°C | 4.6°C | 0.9°C | 13.1°C | -3.6°C | 138 mm | 85% | 0.9 m/s | 2.8 |
| 2008 | 8.8°C | 5.2°C | 1.6°C | 13.5°C | -1.2°C | 110 mm | 86% | 0.8 m/s | 2.7 |
| 2007 | 11.4°C | 7.7°C | 4.1°C | 18.1°C | -1.7°C | 156 mm | 87% | 0.8 m/s | 2.6 |
| 2006 | 10.5°C | 6.4°C | 2.4°C | 15.7°C | -3.2°C | 87 mm | 84% | 0.9 m/s | 2.9 |
| 2005 | 12.9°C | 8.7°C | 4.4°C | 19.1°C | 0.4°C | 117 mm | 84% | 0.9 m/s | 3.1 |
| 2004 | 12.3°C | 8.3°C | 4.3°C | 21.8°C | 1.4°C | 86 mm | 85% | 0.8 m/s | 3 |
| 2003 | 11.1°C | 7.8°C | 4.6°C | 17.0°C | -0.3°C | 193 mm | 87% | 1 m/s | 2.6 |
| 2002 | 8.2°C | 4.9°C | 1.7°C | 13.1°C | -1.9°C | 119 mm | 86% | 0.9 m/s | 2.6 |
| 2001 | 11.2°C | 7.0°C | 2.7°C | 18.9°C | -0.2°C | 96 mm | 86% | 0.8 m/s | 2.9 |
| 2000 | 10.1°C | 6.5°C | 3.0°C | 14.3°C | -1.2°C | 100 mm | 85% | 0.8 m/s | 3 |
| 1999 | 9.5°C | 6.0°C | 2.5°C | 19.1°C | -1.9°C | 132 mm | 87% | 1 m/s | 2.8 |
| 1998 | 11.1°C | 7.6°C | 4.1°C | 16.6°C | -0.9°C | 115 mm | 85% | 0.8 m/s | 3 |
| 1997 | 9.7°C | 6.4°C | 3.1°C | 15.6°C | -1.1°C | 242 mm | 87% | 1 m/s | 2.6 |
| 1996 | 11.5°C | 7.3°C | 3.0°C | 17.1°C | -3.3°C | 76 mm | 83% | 0.7 m/s | 3.1 |
| 1995 | 11.6°C | 7.5°C | 3.4°C | 19.5°C | -2.3°C | 163 mm | 81% | 0.9 m/s | 3 |
| 1994 | 12.5°C | 8.2°C | 3.9°C | 23.0°C | -1.4°C | 102 mm | 81% | 0.8 m/s | 3.1 |
| 1993 | 12.1°C | 7.9°C | 3.6°C | 15.7°C | -0.3°C | 127 mm | 84% | 0.8 m/s | 2.9 |
| 1992 🔥 | 15.2°C | 10.2°C | 5.2°C | 19.2°C | 1.2°C | 43 mm | 79% | 0.6 m/s | 3.5 |
| 1991 | 9.9°C | 5.9°C | 2.0°C | 17.9°C | -1.8°C | 135 mm | 85% | 0.8 m/s | 3.1 |
| 1990 | 12.1°C | 7.7°C | 3.3°C | 17.5°C | -1.7°C | 100 mm | 83% | 0.7 m/s | 3.1 |
| 1989 | 9.0°C | 5.6°C | 2.3°C | 13.5°C | -5.9°C | 196 mm | 88% | 0.9 m/s | 2.5 |
| 1988 | 10.8°C | 6.7°C | 2.6°C | 17.5°C | -0.2°C | 158 mm | 83% | 0.9 m/s | 2.9 |
| 1987 | 12.1°C | 8.1°C | 4.0°C | 20.9°C | -0.4°C | 166 mm | 84% | 0.8 m/s | 3.1 |
| 1986 | 12.8°C | 8.6°C | 4.5°C | 18.5°C | 1.7°C | 91 mm | 85% | 0.8 m/s | 2.8 |
| 1985 | 9.8°C | 5.7°C | 1.6°C | 14.9°C | -2.4°C | 96 mm | 83% | 0.9 m/s | 3.3 |
| 1984 | 11.9°C | 8.2°C | 4.4°C | 18.1°C | -0.2°C | 129 mm | 86% | 0.8 m/s | 3.1 |
| 1983 | 12.4°C | 8.4°C | 4.4°C | 15.5°C | 1.1°C | 179 mm | 86% | 0.9 m/s | — |
| 1982 | 10.1°C | 6.1°C | 2.1°C | 15.2°C | -1.2°C | 106 mm | 84% | 0.8 m/s | — |
| 1981 | 12.6°C | 8.1°C | 3.6°C | 17.6°C | -2.1°C | 94 mm | 82% | 0.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 10.9°C with lows near 3.2°C (mean 7.1°C), based on 45 years of NASA POWER data.
March averages 131 mm of rainfall in Bremerton, a relatively wet time of year. The wettest on record was 260 mm in 2014.
The hottest March reached 23°C in 1994. The coldest dipped to -5.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.5°C. Daytime highs moved from 11.4°C to 10.4°C and overnight lows from 3.2°C to 3.2°C over the same span.
March is one of the cooler months of the year in Bremerton and a relatively wet time of year, so plan for around 10.9°C daytime highs and 3.2°C at night.
Not quite — March is the 5th coolest month in Bremerton, averaging 7.1°C.
For March in Bremerton, pack warm layers and a jacket for chilly mornings, with typical highs of 10.9°C and lows of 3.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 85% — quite humid.
Average wind speed in March is 0.8 m/s. The windiest March on record averaged 1 m/s (1997).
The wettest March on record was 2014 with 260 mm. On average, March sees 131 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 Bremerton 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.
