March weather in Monmouth, OR
The average temperature in Monmouth in March is 46.7°F (37.6°F–55.8°F). Average precipitation: 5.08 inches.
March is a spring month in Monmouth, and is cooler than the annual average of 53.1°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Daylight averages about 11h 41m. For travel, March is a wet month.
Avg High
55.8°F
Avg Low
37.6°F
Precipitation
5.08 in
Daylight
11h 41m
March records in Monmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 70.0°F (1953) | 10.0°F (1971) | 1.19 in (1964) |
| March 2 | 64.9°F (1968) | 16.0°F (1971) | 0.88 in (1991) |
| March 3 | 64.0°F (1936) | 21.9°F (1976) | 1.60 in (1987) |
| March 4 | 66.0°F (1986) | 23.0°F (1953) | 1.11 in (1956) |
| March 5 | 66.9°F (1965) | 23.0°F (1951) | 1.72 in (1989) |
| March 6 | 68.0°F (2001) | 15.1°F (1956) | 1.09 in (2002) |
| March 7 | 69.1°F (1965) | 19.0°F (1951) | 1.50 in (1957) |
| March 8 | 71.1°F (2005) | 21.9°F (1974) | 1.65 in (1966) |
| March 9 | 71.1°F (2005) | 26.1°F (2020) | 2.19 in (1966) |
| March 10 | 72.0°F (2005) | 24.1°F (1943) | 1.45 in (1947) |
| March 11 | 80.1°F (1955) | 0.0°F (1955) | 1.21 in (1961) |
| March 12 | 73.0°F (2005) | 24.1°F (1956) | 0.98 in (1987) |
| March 13 | 72.0°F (1979) | 25.0°F (1953) | 1.44 in (1980) |
| March 14 | 70.0°F (1979) | 23.0°F (1944) | 1.44 in (1983) |
| March 15 | 73.0°F (1947) | 24.1°F (1955) | 1.76 in (2012) |
| March 16 | 77.0°F (1947) | 24.1°F (1955) | 2.24 in (1938) |
| March 17 | 77.0°F (1947) | 27.0°F (1954) | 2.23 in (2025) |
| March 18 | 77.0°F (1947) | 24.1°F (1943) | 1.92 in (1938) |
| March 19 | 73.0°F (2019) | 19.9°F (1982) | 0.90 in (1950) |
| March 20 | 73.0°F (1978) | 21.9°F (1955) | 1.15 in (1945) |
| March 21 | 72.0°F (1940) | 25.0°F (1943) | 1.41 in (2025) |
| March 22 | 90.0°F (1949) | 19.9°F (1949) | 1.10 in (1972) |
| March 23 | 73.9°F (1939) | 26.1°F (1948) | 1.48 in (1938) |
| March 24 | 72.0°F (1960) | 26.1°F (1942) | 2.02 in (1976) |
| March 25 | 73.0°F (2025) | 27.0°F (1964) | 1.21 in (1962) |
| March 26 | 75.0°F (2025) | 25.0°F (1996) | 1.74 in (1940) |
| March 27 | 75.9°F (1994) | 27.0°F (1944) | 1.27 in (1940) |
| March 28 | 75.9°F (1994) | 27.0°F (1939) | 1.98 in (1974) |
| March 29 | 75.0°F (2004) | 27.0°F (1972) | 1.95 in (1960) |
| March 30 | 71.1°F (1995) | 28.0°F (1938) | 1.52 in (2012) |
| March 31 | 72.0°F (1942) | 26.1°F (1953) | 2.30 in (1943) |