March weather in Roslyn, WA
The average temperature in Roslyn in March is 37.3°F (28.7°F–46.0°F). Average precipitation: 4.94 inches.
March is a spring month in Roslyn, and is cooler than the annual average of 45.2°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
46.0°F
Avg Low
28.7°F
Precipitation
4.94 in
Daylight
11h 39m
March records in Roslyn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 60.1°F (2025) | 12.0°F (1933) | 1.88 in (2022) |
| March 2 | 54.0°F (2010) | 3.9°F (2007) | 2.00 in (1934) |
| March 3 | 60.1°F (2026) | 10.9°F (2006) | 0.72 in (1951) |
| March 4 | 55.9°F (2005) | 6.1°F (2013) | 0.72 in (2009) |
| March 5 | 59.0°F (2005) | 10.0°F (2019) | 2.20 in (1932) |
| March 6 | 59.0°F (2005) | 17.1°F (2009) | 1.48 in (1934) |
| March 7 | 63.0°F (2005) | 17.1°F (2024) | 1.23 in (2003) |
| March 8 | 55.9°F (2005) | 19.0°F (1933) | 0.56 in (2017) |
| March 9 | 66.9°F (2005) | 9.0°F (2006) | 1.08 in (2014) |
| March 10 | 60.1°F (1934) | 10.0°F (2006) | 0.66 in (2016) |
| March 11 | 66.0°F (2005) | 12.0°F (2006) | 0.67 in (2002) |
| March 12 | 68.0°F (2005) | -7.1°F (2006) | 2.95 in (2026) |
| March 13 | 68.0°F (1934) | 1.0°F (2006) | 1.74 in (2026) |
| March 14 | 64.0°F (1934) | 21.0°F (2012) | 1.78 in (2026) |
| March 15 | 64.0°F (2005) | 21.0°F (2006) | 1.10 in (1951) |
| March 16 | 63.0°F (2024) | 21.0°F (2023) | 0.84 in (2022) |
| March 17 | 66.9°F (2024) | 21.9°F (2023) | 0.53 in (2005) |
| March 18 | 70.0°F (2024) | 23.0°F (2014) | 0.69 in (1932) |
| March 19 | 70.0°F (2024) | 19.0°F (2013) | 0.75 in (2002) |
| March 20 | 64.9°F (1934) | 19.9°F (1935) | 1.82 in (2002) |
| March 21 | 62.1°F (1934) | 19.0°F (1935) | 0.89 in (2012) |
| March 22 | 63.0°F (2004) | 19.0°F (2002) | 0.95 in (2003) |
| March 23 | 66.0°F (2004) | 18.0°F (1933) | 0.81 in (1932) |
| March 24 | 55.0°F (2010) | 17.1°F (1934) | 1.51 in (1932) |
| March 25 | 57.9°F (2010) | 14.0°F (2013) | 1.25 in (2007) |
| March 26 | 66.0°F (2025) | 18.0°F (1935) | 0.49 in (2003) |
| March 27 | 68.0°F (2025) | 19.0°F (1935) | 1.46 in (2005) |
| March 28 | 57.9°F (2022) | 19.9°F (2008) | 0.70 in (2025) |
| March 29 | 60.1°F (2022) | 26.1°F (2007) | 0.71 in (1934) |
| March 30 | 64.0°F (2003) | 19.0°F (1935) | 1.55 in (2012) |
| March 31 | 66.0°F (2003) | 25.0°F (1935) | 2.49 in (2011) |