March weather in Index, WA
The average temperature in Index in March is 42.8°F (33.9°F–51.6°F). Average precipitation: 11.90 inches. Average snowfall is 3.8 inches.
March is a spring month in Index, and is cooler than the annual average of 49.8°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 20 days with precipitation. Daylight averages about 11h 39m. For travel, March is a wet month.
Avg High
51.6°F
Avg Low
33.9°F
Precipitation
11.90 in
Snow
3.8 in
March records in Index
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.9°F (1981) | 23.0°F (1970) | 4.80 in (2022) |
| March 2 | 69.1°F (1986) | 19.9°F (1995) | 1.95 in (1987) |
| March 3 | 63.0°F (1986) | 16.0°F (1989) | 3.18 in (1987) |
| March 4 | 64.0°F (2005) | 17.1°F (1976) | 1.86 in (1979) |
| March 5 | 63.0°F (1984) | 19.9°F (2019) | 4.59 in (1972) |
| March 6 | 73.0°F (2001) | 21.0°F (2019) | 2.19 in (1972) |
| March 7 | 73.9°F (2001) | 19.0°F (1974) | 1.77 in (1970) |
| March 8 | 66.9°F (1984) | 21.9°F (1974) | 1.43 in (1983) |
| March 9 | 72.0°F (2005) | 24.1°F (2010) | 4.03 in (2014) |
| March 10 | 66.9°F (1979) | 17.1°F (2009) | 2.10 in (2017) |
| March 11 | 71.1°F (2005) | 19.0°F (2009) | 2.67 in (2007) |
| March 12 | 70.0°F (2005) | 23.0°F (2009) | 2.45 in (2007) |
| March 13 | 77.0°F (1992) | 27.0°F (1985) | 2.45 in (2003) |
| March 14 | 70.0°F (1979) | 28.0°F (1985) | 1.72 in (2017) |
| March 15 | 69.1°F (2015) | 28.0°F (1985) | 2.31 in (2014) |
| March 16 | 69.1°F (1985) | 26.1°F (2020) | 2.13 in (2014) |
| March 17 | 70.0°F (1972) | 28.0°F (2020) | 1.71 in (2014) |
| March 18 | 68.0°F (1988) | 27.0°F (1971) | 2.54 in (1997) |
| March 19 | 72.0°F (2019) | 28.0°F (1970) | 4.39 in (1997) |
| March 20 | 75.9°F (2019) | 28.0°F (1971) | 1.75 in (2002) |
| March 21 | 77.0°F (2019) | 26.1°F (1971) | 1.30 in (2022) |
| March 22 | 73.0°F (2004) | 27.0°F (1982) | 2.04 in (2003) |
| March 23 | 71.1°F (1979) | 28.0°F (1973) | 0.89 in (1971) |
| March 24 | 72.0°F (1986) | 28.9°F (1982) | 3.68 in (2007) |
| March 25 | 70.0°F (1997) | 25.0°F (1996) | 2.32 in (2007) |
| March 26 | 66.0°F (1994) | 28.0°F (1991) | 1.33 in (1977) |
| March 27 | 73.9°F (2015) | 25.0°F (1975) | 1.72 in (2005) |
| March 28 | 80.1°F (1994) | 27.0°F (1996) | 1.53 in (1974) |
| March 29 | 77.0°F (1994) | 28.9°F (1972) | 3.38 in (1993) |
| March 30 | 75.0°F (2004) | 28.9°F (1970) | 2.52 in (2011) |
| March 31 | 73.0°F (1991) | 28.9°F (1970) | 3.96 in (2011) |