May weather in Johnstown, NE
The average temperature in Johnstown in May is 59.1°F (46.8°F–71.4°F). Average precipitation: 3.80 inches. Average snowfall is 0.3 inches.
May is a spring month in Johnstown, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
71.4°F
Avg Low
46.8°F
Precipitation
3.80 in
Snow
0.3 in
May records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1959) | 19.9°F (1909) | 1.59 in (1983) |
| May 2 | 91.9°F (1926) | 14.0°F (1911) | 1.83 in (1944) |
| May 3 | 91.9°F (1949) | 19.9°F (1954) | 1.49 in (1991) |
| May 4 | 91.9°F (1918) | 27.0°F (1945) | 1.33 in (2020) |
| May 5 | 95.0°F (2004) | 23.0°F (1944) | 3.76 in (2007) |
| May 6 | 93.0°F (1916) | 24.1°F (1906) | 1.49 in (1968) |
| May 7 | 99.0°F (1916) | 26.1°F (1972) | 1.70 in (1977) |
| May 8 | 96.1°F (1934) | 25.0°F (1907) | 1.51 in (1921) |
| May 9 | 95.0°F (1928) | 25.0°F (1923) | 1.40 in (1931) |
| May 10 | 90.0°F (1906) | 24.1°F (1981) | 1.44 in (1975) |
| May 11 | 93.9°F (1962) | 21.9°F (1946) | 3.10 in (1920) |
| May 12 | 96.1°F (1915) | 26.1°F (1943) | 1.93 in (2023) |
| May 13 | 93.0°F (1915) | 26.1°F (1953) | 1.80 in (1913) |
| May 14 | 93.0°F (2001) | 27.0°F (2004) | 2.17 in (2025) |
| May 15 | 95.0°F (1931) | 21.9°F (1907) | 0.84 in (1965) |
| May 16 | 93.0°F (1934) | 28.0°F (1929) | 1.35 in (2020) |
| May 17 | 100.9°F (1934) | 21.9°F (1924) | 1.70 in (2017) |
| May 18 | 100.9°F (1934) | 28.0°F (1915) | 1.95 in (2000) |
| May 19 | 99.0°F (1934) | 32.0°F (1915) | 1.43 in (1935) |
| May 20 | 100.0°F (1934) | 28.0°F (1931) | 1.66 in (2024) |
| May 21 | 93.0°F (1925) | 21.9°F (1931) | 2.73 in (1977) |
| May 22 | 91.0°F (1944) | 24.1°F (1963) | 1.40 in (1914) |
| May 23 | 93.0°F (1950) | 30.9°F (1924) | 2.01 in (2008) |
| May 24 | 97.0°F (1931) | 30.9°F (2002) | 1.77 in (1965) |
| May 25 | 97.0°F (1967) | 32.0°F (1910) | 2.00 in (1917) |
| May 26 | 95.0°F (1967) | 32.0°F (1940) | 3.50 in (1911) |
| May 27 | 96.1°F (2006) | 28.9°F (1924) | 2.76 in (1973) |
| May 28 | 100.0°F (1934) | 30.0°F (1965) | 1.28 in (1933) |
| May 29 | 105.1°F (1934) | 26.1°F (1947) | 1.58 in (1979) |
| May 30 | 100.0°F (1934) | 32.0°F (1947) | 2.55 in (2007) |
| May 31 | 95.0°F (1984) | 30.9°F (1964) | 1.54 in (1951) |