May weather in Johnson, MN
The average temperature in Johnson in May is 58.7°F (47.1°F–70.3°F). Average precipitation: 3.05 inches.
May is a spring month in Johnson, and is warmer than the annual average of 44.7°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 42m. For travel, May is a comfortable month to visit.
Avg High
70.3°F
Avg Low
47.1°F
Precipitation
3.05 in
Daylight
14h 42m
May records in Johnson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (1959) | 21.9°F (1961) | 2.16 in (1942) |
| May 2 | 91.0°F (1955) | 21.9°F (1961) | 1.02 in (1922) |
| May 3 | 91.9°F (1949) | 16.0°F (1926) | 0.97 in (1944) |
| May 4 | 90.0°F (1926) | 25.0°F (1967) | 0.80 in (1969) |
| May 5 | 91.0°F (2000) | 21.0°F (1929) | 2.09 in (1999) |
| May 6 | 90.0°F (1934) | 21.0°F (1929) | 1.00 in (1961) |
| May 7 | 89.1°F (1934) | 23.0°F (1929) | 1.10 in (2000) |
| May 8 | 100.0°F (1934) | 24.1°F (1955) | 1.44 in (1986) |
| May 9 | 93.9°F (1928) | 26.1°F (1945) | 0.83 in (2003) |
| May 10 | 95.0°F (1987) | 24.1°F (1981) | 1.68 in (2008) |
| May 11 | 95.0°F (2025) | 19.0°F (1946) | 1.00 in (2022) |
| May 12 | 93.0°F (2025) | 19.9°F (1946) | 1.82 in (2022) |
| May 13 | 91.9°F (2007) | 26.1°F (1953) | 2.39 in (1942) |
| May 14 | 95.0°F (1932) | 28.9°F (2004) | 1.70 in (1957) |
| May 15 | 93.9°F (1931) | 24.1°F (1959) | 1.74 in (2000) |
| May 16 | 100.0°F (1934) | 27.0°F (1929) | 2.84 in (1969) |
| May 17 | 93.9°F (1934) | 23.0°F (1925) | 1.15 in (2015) |
| May 18 | 93.0°F (2012) | 32.0°F (1968) | 1.31 in (1933) |
| May 19 | 93.9°F (2009) | 30.0°F (1926) | 1.13 in (2014) |
| May 20 | 96.1°F (1925) | 28.0°F (1929) | 1.13 in (2025) |
| May 21 | 91.9°F (1964) | 30.0°F (1924) | 2.26 in (2024) |
| May 22 | 91.0°F (1925) | 27.0°F (1926) | 2.01 in (1962) |
| May 23 | 93.9°F (1950) | 32.0°F (1917) | 2.08 in (2012) |
| May 24 | 91.9°F (2018) | 28.9°F (1930) | 2.43 in (1973) |
| May 25 | 95.0°F (2018) | 30.0°F (1924) | 0.60 in (1957) |
| May 26 | 96.1°F (2018) | 30.0°F (1961) | 1.04 in (1942) |
| May 27 | 97.0°F (2018) | 32.0°F (1928) | 2.30 in (1941) |
| May 28 | 100.9°F (1934) | 32.0°F (1928) | 1.03 in (1972) |
| May 29 | 95.0°F (1934) | 32.0°F (1930) | 1.24 in (1979) |
| May 30 | 104.0°F (1934) | 34.0°F (1947) | 1.50 in (1985) |
| May 31 | 108.0°F (1934) | 35.1°F (1964) | 1.92 in (1959) |