March weather in Grand Coulee, WA
The average temperature in Grand Coulee in March is 41.1°F (31.5°F–50.7°F). Average precipitation: 1.07 inches.
March is a spring month in Grand Coulee, and is cooler than the annual average of 49.9°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
50.7°F
Avg Low
31.5°F
Precipitation
1.07 in
Daylight
11h 39m
March records in Grand Coulee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 60.1°F (2005) | 9.0°F (1993) | 0.57 in (1982) |
| March 2 | 57.9°F (1941) | 10.0°F (1960) | 0.41 in (1937) |
| March 3 | 60.1°F (2020) | 5.0°F (1989) | 0.28 in (1991) |
| March 4 | 61.0°F (2005) | -0.9°F (2019) | 0.90 in (2000) |
| March 5 | 62.1°F (1941) | 3.9°F (1943) | 0.33 in (1950) |
| March 6 | 61.0°F (2005) | 15.1°F (1956) | 0.50 in (2014) |
| March 7 | 64.9°F (2005) | 10.9°F (2002) | 0.33 in (1978) |
| March 8 | 66.0°F (2005) | 17.1°F (2003) | 0.35 in (1951) |
| March 9 | 63.0°F (2005) | 10.9°F (1951) | 0.95 in (1995) |
| March 10 | 63.0°F (2005) | 9.0°F (1951) | 0.36 in (2011) |
| March 11 | 66.0°F (2007) | 9.0°F (1951) | 0.25 in (2012) |
| March 12 | 66.9°F (1992) | 14.0°F (2009) | 0.86 in (1987) |
| March 13 | 66.9°F (1992) | 19.0°F (1969) | 0.60 in (1987) |
| March 14 | 73.0°F (1994) | 19.9°F (2019) | 0.60 in (2012) |
| March 15 | 64.0°F (1947) | 19.0°F (2019) | 1.50 in (2012) |
| March 16 | 69.1°F (1941) | 12.9°F (2002) | 0.51 in (1949) |
| March 17 | 70.0°F (2024) | 18.0°F (1965) | 0.61 in (1950) |
| March 18 | 69.1°F (1947) | 14.0°F (1965) | 0.32 in (1938) |
| March 19 | 72.0°F (1947) | 10.9°F (1965) | 0.41 in (1997) |
| March 20 | 72.0°F (1940) | 21.0°F (2002) | 0.36 in (1980) |
| March 21 | 72.0°F (1940) | 21.0°F (2002) | 0.50 in (2011) |
| March 22 | 72.0°F (1939) | 21.0°F (2002) | 0.28 in (1961) |
| March 23 | 73.9°F (1939) | 21.9°F (1955) | 0.40 in (1998) |
| March 24 | 70.0°F (1940) | 15.1°F (1965) | 0.69 in (2017) |
| March 25 | 71.1°F (1941) | 19.0°F (1955) | 0.50 in (2001) |
| March 26 | 72.0°F (1941) | 18.0°F (1955) | 0.51 in (1971) |
| March 27 | 71.1°F (1941) | 21.0°F (1944) | 0.34 in (2011) |
| March 28 | 73.9°F (1941) | 19.0°F (1954) | 0.50 in (2013) |
| March 29 | 72.0°F (1966) | 18.0°F (1954) | 0.71 in (1983) |
| March 30 | 73.9°F (1939) | 19.0°F (1985) | 0.16 in (1974) |
| March 31 | 71.1°F (1941) | 23.0°F (2008) | 0.48 in (1957) |