June weather in Johnston, SC
The average temperature in Johnston in June is 77.4°F (65.2°F–89.7°F). Average precipitation: 5.12 inches.
June is a summer month in Johnston, and is warmer than the annual average of 62.7°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 13m. For travel, June is a wet month.
Avg High
89.7°F
Avg Low
65.2°F
Precipitation
5.12 in
Daylight
14h 13m
June records in Johnston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 95.0°F (2019) | 46.9°F (1984) | 1.33 in (1991) |
| June 2 | 98.1°F (2002) | 46.9°F (2014) | 3.50 in (2005) |
| June 3 | 102.0°F (2000) | 50.0°F (1983) | 1.90 in (2007) |
| June 4 | 100.0°F (2000) | 51.1°F (1988) | 2.54 in (2015) |
| June 5 | 100.0°F (1985) | 46.0°F (1988) | 1.50 in (1987) |
| June 6 | 99.0°F (1985) | 48.9°F (1976) | 2.79 in (1995) |
| June 7 | 100.9°F (2008) | 46.0°F (2000) | 1.52 in (2003) |
| June 8 | 102.0°F (2008) | 46.0°F (2000) | 3.70 in (1974) |
| June 9 | 105.1°F (2008) | 48.0°F (2002) | 4.74 in (1965) |
| June 10 | 104.0°F (2008) | 46.0°F (1998) | 4.50 in (1973) |
| June 11 | 100.0°F (1993) | 51.1°F (1997) | 1.23 in (1990) |
| June 12 | 102.0°F (1993) | 46.0°F (1979) | 2.75 in (1965) |
| June 13 | 102.0°F (2010) | 50.0°F (1972) | 2.48 in (2001) |
| June 14 | 102.0°F (2010) | 54.0°F (1979) | 2.98 in (1962) |
| June 15 | 106.0°F (1958) | 53.1°F (1979) | 2.52 in (1991) |
| June 16 | 106.0°F (2010) | 51.1°F (2002) | 1.62 in (1965) |
| June 17 | 99.0°F (2015) | 51.1°F (1979) | 1.42 in (1963) |
| June 18 | 100.0°F (2015) | 53.1°F (1961) | 2.10 in (1963) |
| June 19 | 100.0°F (2000) | 54.0°F (1961) | 0.87 in (2003) |
| June 20 | 100.0°F (1998) | 53.1°F (2005) | 2.12 in (1972) |
| June 21 | 99.0°F (1970) | 53.1°F (2002) | 1.92 in (2000) |
| June 22 | 102.0°F (1990) | 54.0°F (2005) | 2.97 in (2004) |
| June 23 | 102.9°F (2015) | 55.0°F (1997) | 1.75 in (2004) |
| June 24 | 102.0°F (2010) | 55.0°F (1972) | 0.77 in (2020) |
| June 25 | 102.9°F (2010) | 57.0°F (1972) | 2.17 in (1980) |
| June 26 | 104.0°F (2010) | 57.0°F (1979) | 2.10 in (2010) |
| June 27 | 102.0°F (1997) | 55.9°F (2012) | 1.84 in (1976) |
| June 28 | 102.0°F (1998) | 50.0°F (1979) | 5.13 in (1994) |
| June 29 | 102.9°F (2012) | 55.0°F (1979) | 2.31 in (1963) |
| June 30 | 113.0°F (2012) | 55.9°F (1962) | 1.97 in (2000) |