March is one of the cooler months of the year in Bonney Lake, with average highs near 5.1°C and lows around -1.7°C (mean 1.7°C). It is a relatively wet time of year, averaging 167 mm of rainfall and 90% relative humidity across the period.
March is one of the cooler months of the year in Bonney Lake. Across 45 years of records, the warmest March in Bonney Lake was 1992 — when the month averaged 6.2°C — while the coldest was 2009 at -1.8°C. Typical March days reach 5.1°C with nights near -1.7°C. The long-term March temperature trend is broadly flat.
March is a relatively wet time of year in Bonney Lake, averaging 167 mm of rainfall. The wettest March on record was 2017 with 319 mm, while the driest was 2019 at 43 mm.
Relative humidity in Bonney Lake during March averages 90%. The most humid March was 2008 at 97%, and the least humid was 1992 at 78%.
March receives about 2.9 kWh/m²/day of solar energy in Bonney Lake. The sunniest March was 2019 at 3.7 kWh/m²/day, and the cloudiest was 2017 at 2.3.
Average wind speed in Bonney Lake during March is 0.2 m/s. The windiest Marchs were 2005, 2015 and 2019, among others at 0.3 m/s, while the calmest were 2017 and 2025 at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 1.9°C | 2.0°C | 1.1°C | 1.8°C | 1.7°C | -0.2°C |
| Avg High | 5.3°C | 5.6°C | 4.3°C | 5.0°C | 5.1°C | -0.2°C |
| Avg Low | -1.5°C | -1.6°C | -2.0°C | -1.5°C | -1.6°C | -0.1°C |
| Avg Rain | 176 mm | 153 mm | 167 mm | 193 mm | 135 mm | -41 mm |
March temperatures in Bonney Lake have stayed relatively stable across the record.
March has ranged from a record low of -15.4°C (1989) to a record high of 19°C (1994).
Rainfall in March is a relatively wet time of year, averaging 167 mm, with a wettest year of 319 mm.
A good time to visit Bonney Lake
March is a good time to visit Bonney Lake, with days averaging 5.1°C and nights around -1.7°C (mean 1.7°C, cooler than Bonney Lake'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 | 4.7°C | 2.0°C | -0.8°C | 16.6°C | -6.4°C | 216 mm | 94% | 0.1 m/s | 2.6 |
| 2024 | 6.2°C | 2.6°C | -1.0°C | 18.4°C | -10.0°C | 119 mm | 89% | 0.2 m/s | 3.1 |
| 2023 | 3.2°C | -0.4°C | -3.9°C | 11.1°C | -9.4°C | 128 mm | 92% | 0.2 m/s | 3 |
| 2022 | 6.6°C | 3.4°C | 0.1°C | 16.0°C | -4.7°C | 125 mm | 89% | 0.2 m/s | 2.9 |
| 2021 | 4.7°C | 1.2°C | -2.4°C | 12.8°C | -6.6°C | 95 mm | 89% | 0.2 m/s | 3.3 |
| 2020 | 4.9°C | 1.5°C | -1.8°C | 11.7°C | -9.8°C | 129 mm | 86% | 0.2 m/s | 3.2 |
| 2019 | 4.8°C | 0.7°C | -3.3°C | 14.3°C | -13.3°C | 43 mm | 88% | 0.3 m/s | 3.7 |
| 2018 | 4.6°C | 1.1°C | -2.3°C | 10.3°C | -8.4°C | 103 mm | 91% | 0.2 m/s | 3.1 |
| 2017 🌧️ | 3.7°C | 1.4°C | -0.9°C | 8.2°C | -4.9°C | 319 mm | 95% | 0.1 m/s | 2.3 |
| 2016 | 6.7°C | 3.4°C | 0.1°C | 16.6°C | -5.4°C | 229 mm | 89% | 0.2 m/s | 2.9 |
| 2015 | 9.6°C | 5.6°C | 1.7°C | 17.7°C | -3.1°C | 152 mm | 81% | 0.3 m/s | 3.1 |
| 2014 | 5.5°C | 2.2°C | -1.0°C | 13.0°C | -8.5°C | 317 mm | 91% | 0.2 m/s | 2.8 |
| 2013 | 4.2°C | 1.1°C | -2.0°C | 17.9°C | -12.0°C | 127 mm | 92% | 0.2 m/s | 2.9 |
| 2012 | 1.9°C | -0.7°C | -3.3°C | 6.4°C | -9.8°C | 233 mm | 96% | 0.2 m/s | 2.6 |
| 2011 | 2.8°C | 0.2°C | -2.4°C | 7.0°C | -6.5°C | 276 mm | 95% | 0.2 m/s | 2.4 |
| 2010 | 6.4°C | 2.6°C | -1.2°C | 13.2°C | -5.9°C | 133 mm | 86% | 0.2 m/s | 3.1 |
| 2009 ❄️ | 1.3°C | -1.8°C | -4.8°C | 5.2°C | -13.2°C | 204 mm | 95% | 0.2 m/s | 2.8 |
| 2008 | 1.0°C | -1.7°C | -4.4°C | 2.8°C | -8.4°C | 144 mm | 97% | 0.2 m/s | 2.7 |
| 2007 | 5.9°C | 2.7°C | -0.5°C | 12.5°C | -10.9°C | 189 mm | 92% | 0.2 m/s | 2.6 |
| 2006 | 3.7°C | 0.3°C | -3.1°C | 9.0°C | -10.8°C | 92 mm | 91% | 0.2 m/s | 2.9 |
| 2005 | 8.2°C | 4.2°C | 0.3°C | 17.4°C | -4.0°C | 156 mm | 85% | 0.3 m/s | 3.1 |
| 2004 | 6.9°C | 3.4°C | -0.1°C | 16.5°C | -3.9°C | 123 mm | 88% | 0.2 m/s | 3 |
| 2003 | 5.1°C | 2.4°C | -0.2°C | 13.6°C | -5.1°C | 280 mm | 93% | 0.2 m/s | 2.6 |
| 2002 | 1.7°C | -0.9°C | -3.5°C | 7.7°C | -9.6°C | 199 mm | 94% | 0.2 m/s | 2.6 |
| 2001 | 5.7°C | 2.2°C | -1.3°C | 14.8°C | -5.6°C | 150 mm | 89% | 0.2 m/s | 2.9 |
| 2000 | 3.3°C | 0.3°C | -2.7°C | 10.5°C | -8.2°C | 136 mm | 93% | 0.2 m/s | 3 |
| 1999 | 2.1°C | -0.9°C | -3.9°C | 7.9°C | -13.0°C | 145 mm | 96% | 0.2 m/s | 2.8 |
| 1998 | 5.3°C | 2.1°C | -1.1°C | 13.9°C | -7.5°C | 136 mm | 91% | 0.2 m/s | 3 |
| 1997 | 3.3°C | 0.6°C | -2.1°C | 11.2°C | -8.2°C | 319 mm | 94% | 0.2 m/s | 2.6 |
| 1996 | 5.6°C | 2.0°C | -1.7°C | 15.2°C | -9.0°C | 149 mm | 86% | 0.2 m/s | 3.1 |
| 1995 | 6.4°C | 2.4°C | -1.6°C | 15.9°C | -7.9°C | 155 mm | 84% | 0.2 m/s | 3 |
| 1994 | 7.5°C | 3.2°C | -1.1°C | 19.0°C | -11.3°C | 133 mm | 86% | 0.3 m/s | 3.1 |
| 1993 | 6.2°C | 2.5°C | -1.1°C | 10.9°C | -4.9°C | 161 mm | 88% | 0.2 m/s | 2.9 |
| 1992 🔥 | 11.4°C | 6.2°C | 1.0°C | 16.9°C | -3.5°C | 46 mm | 78% | 0.3 m/s | 3.5 |
| 1991 | 4.3°C | 0.8°C | -2.7°C | 15.2°C | -7.3°C | 172 mm | 90% | 0.2 m/s | 3.1 |
| 1990 | 4.0°C | 1.0°C | -2.1°C | 14.4°C | -9.8°C | 116 mm | 92% | 0.3 m/s | 3.1 |
| 1989 | 2.4°C | -0.4°C | -3.2°C | 6.4°C | -15.4°C | 224 mm | 95% | 0.2 m/s | 2.5 |
| 1988 | 5.1°C | 1.7°C | -1.7°C | 14.0°C | -7.4°C | 238 mm | 88% | 0.2 m/s | 2.9 |
| 1987 | 6.2°C | 2.9°C | -0.5°C | 17.4°C | -4.7°C | 194 mm | 88% | 0.2 m/s | 3.1 |
| 1986 | 8.1°C | 4.1°C | 0.1°C | 15.2°C | -3.0°C | 137 mm | 87% | 0.2 m/s | 2.8 |
| 1985 | 1.5°C | -1.4°C | -4.4°C | 3.8°C | -11.5°C | 135 mm | 93% | 0.3 m/s | 3.3 |
| 1984 | 6.5°C | 3.1°C | -0.2°C | 14.0°C | -3.4°C | 179 mm | 90% | 0.2 m/s | 3.1 |
| 1983 | 6.8°C | 3.4°C | 0.0°C | 10.3°C | -2.1°C | 226 mm | 90% | 0.2 m/s | — |
| 1982 | 3.8°C | 0.4°C | -3.0°C | 9.5°C | -8.2°C | 157 mm | 90% | 0.2 m/s | — |
| 1981 | 7.5°C | 3.5°C | -0.5°C | 13.4°C | -4.8°C | 97 mm | 84% | 0.2 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 5.1°C with lows near -1.7°C (mean 1.7°C), based on 45 years of NASA POWER data.
March averages 167 mm of rainfall in Bonney Lake, a relatively wet time of year. The wettest on record was 319 mm in 2017.
The hottest March reached 19°C in 1994. The coldest dipped to -15.4°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have held steady by about 0°C. Daytime highs moved from 5.2°C to 5.1°C and overnight lows from -1.6°C to -1.6°C over the same span.
March is one of the cooler months of the year in Bonney Lake and a relatively wet time of year, so plan for around 5.1°C daytime highs and -1.7°C at night.
Not quite — March is the 4th coolest month in Bonney Lake, averaging 1.7°C.
For March in Bonney Lake, pack warm layers and a jacket for chilly mornings, with typical highs of 5.1°C and lows of -1.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 90% — quite humid.
Average wind speed in March is 0.2 m/s. The windiest March on record averaged 0.3 m/s (1985).
The wettest March on record was 2017 with 319 mm. On average, March sees 167 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 Bonney Lake 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.
