April weather in Roslyn, WA
The average temperature in Roslyn in April is 42.5°F (32.5°F–52.5°F). Average precipitation: 3.42 inches.
April is a spring month in Roslyn, and is cooler than the annual average of 45.2°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Daylight averages about 13h 23m. For travel, April is cool.
Avg High
52.5°F
Avg Low
32.5°F
Precipitation
3.42 in
Daylight
13h 23m
April records in Roslyn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 71.1°F (2016) | 19.9°F (2008) | 0.78 in (2009) |
| April 2 | 73.0°F (2016) | 10.0°F (1935) | 0.97 in (2006) |
| April 3 | 68.0°F (2024) | 12.0°F (1935) | 0.68 in (2009) |
| April 4 | 66.0°F (2004) | 15.1°F (2003) | 0.24 in (2022) |
| April 5 | 60.1°F (2025) | 21.9°F (1933) | 0.81 in (2022) |
| April 6 | 61.0°F (2025) | 23.0°F (2023) | 0.80 in (1907) |
| April 7 | 68.0°F (2004) | 21.9°F (2012) | 0.48 in (2013) |
| April 8 | 72.0°F (2016) | 27.0°F (2011) | 0.58 in (2018) |
| April 9 | 73.9°F (2016) | 21.9°F (2012) | 0.65 in (2018) |
| April 10 | 68.0°F (2004) | 21.0°F (2010) | 0.39 in (2023) |
| April 11 | 72.0°F (1932) | 24.1°F (2010) | 0.44 in (2013) |
| April 12 | 70.0°F (1935) | 25.0°F (2007) | 0.50 in (1933) |
| April 13 | 68.0°F (2008) | 24.1°F (2005) | 0.57 in (2009) |
| April 14 | 71.1°F (1932) | 21.9°F (1935) | 1.08 in (2013) |
| April 15 | 64.0°F (2021) | 26.1°F (2022) | 0.56 in (2006) |
| April 16 | 68.0°F (2021) | 25.0°F (1933) | 0.35 in (2012) |
| April 17 | 70.0°F (2021) | 26.1°F (2013) | 0.36 in (2014) |
| April 18 | 73.9°F (2021) | 19.9°F (2006) | 0.75 in (1932) |
| April 19 | 75.0°F (2016) | 25.0°F (2008) | 0.35 in (2013) |
| April 20 | 78.1°F (2016) | 24.1°F (2011) | 0.58 in (2012) |
| April 21 | 75.9°F (2016) | 24.1°F (2008) | 0.65 in (2010) |
| April 22 | 73.0°F (2016) | 26.1°F (2008) | 0.51 in (1950) |
| April 23 | 75.9°F (2012) | 24.1°F (2011) | 0.53 in (2020) |
| April 24 | 75.0°F (2012) | 25.0°F (2013) | 0.65 in (2014) |
| April 25 | 68.0°F (1935) | 28.0°F (2009) | 0.33 in (2010) |
| April 26 | 73.9°F (2018) | 25.0°F (2008) | 0.61 in (2012) |
| April 27 | 79.0°F (2004) | 25.0°F (1935) | 0.36 in (2017) |
| April 28 | 75.9°F (2018) | 21.9°F (1935) | 0.45 in (2004) |
| April 29 | 75.0°F (2006) | 23.0°F (1935) | 0.62 in (2010) |
| April 30 | 80.1°F (2023) | 28.9°F (2009) | 0.34 in (2012) |