May weather in Napoleon, ND
The average temperature in Napoleon in May is 53.8°F (41.8°F–65.9°F). Average precipitation: 2.82 inches. Average snowfall is 0.7 inches.
May is a spring month in Napoleon, and is warmer than the annual average of 41.2°F. Daily temperatures swing about 24.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 48m. For travel, May is a comfortable month to visit.
Avg High
65.9°F
Avg Low
41.8°F
Precipitation
2.82 in
Snow
0.7 in
May records in Napoleon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1992) | 12.0°F (1911) | 2.25 in (1902) |
| May 2 | 91.9°F (1959) | 9.0°F (1908) | 1.50 in (1950) |
| May 3 | 89.1°F (1952) | 8.1°F (1907) | 1.18 in (1964) |
| May 4 | 97.0°F (1926) | 14.0°F (1907) | 0.87 in (1919) |
| May 5 | 97.0°F (1926) | 15.1°F (1907) | 0.98 in (1999) |
| May 6 | 90.0°F (2000) | 17.1°F (1929) | 1.48 in (1964) |
| May 7 | 93.9°F (1934) | 17.1°F (1929) | 0.80 in (2015) |
| May 8 | 104.0°F (1934) | 18.0°F (1906) | 1.85 in (1968) |
| May 9 | 89.1°F (1911) | 15.1°F (1909) | 1.75 in (1995) |
| May 10 | 90.0°F (1992) | 19.9°F (1925) | 2.19 in (2023) |
| May 11 | 95.0°F (1906) | 18.0°F (1946) | 1.48 in (2015) |
| May 12 | 90.0°F (1900) | 12.9°F (1910) | 1.93 in (1985) |
| May 13 | 90.0°F (1932) | 21.9°F (1899) | 1.23 in (2023) |
| May 14 | 90.0°F (1969) | 14.0°F (1907) | 0.90 in (1940) |
| May 15 | 93.0°F (1939) | 19.0°F (1907) | 1.65 in (1991) |
| May 16 | 97.0°F (1934) | 19.9°F (1925) | 1.33 in (1904) |
| May 17 | 100.0°F (1934) | 19.9°F (1925) | 1.20 in (1942) |
| May 18 | 96.1°F (1934) | 19.9°F (1915) | 1.95 in (2018) |
| May 19 | 93.9°F (1948) | 19.9°F (1913) | 1.63 in (2013) |
| May 20 | 93.9°F (1992) | 19.0°F (1907) | 1.73 in (2025) |
| May 21 | 93.0°F (1925) | 23.0°F (1895) | 2.18 in (1987) |
| May 22 | 93.0°F (1980) | 18.0°F (1963) | 2.35 in (1903) |
| May 23 | 95.0°F (1928) | 25.0°F (1917) | 2.05 in (1971) |
| May 24 | 99.0°F (1926) | 21.0°F (1924) | 1.30 in (1960) |
| May 25 | 93.0°F (1941) | 19.0°F (1924) | 1.58 in (2006) |
| May 26 | 95.0°F (1900) | 24.1°F (1905) | 2.25 in (1932) |
| May 27 | 105.1°F (1934) | 21.9°F (1907) | 2.05 in (1912) |
| May 28 | 100.9°F (1934) | 24.1°F (1928) | 2.02 in (1954) |
| May 29 | 96.1°F (1934) | 26.1°F (1947) | 3.20 in (1982) |
| May 30 | 107.1°F (1934) | 25.0°F (1924) | 0.95 in (1953) |
| May 31 | 95.0°F (1936) | 25.0°F (1897) | 2.32 in (2007) |