June weather in Herndon, VA
The average temperature in Herndon in June is 72.5°F (61.9°F–83.1°F). Average precipitation: 4.30 inches.
June is a summer month in Herndon, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 41m. For travel, June is a comfortable month to visit.
Avg High
83.1°F
Avg Low
61.9°F
Precipitation
4.30 in
Daylight
14h 41m
June records in Herndon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 95.0°F (2011) | 39.0°F (1984) | 1.22 in (1969) |
| June 2 | 93.0°F (2023) | 41.0°F (1993) | 2.93 in (1969) |
| June 3 | 95.0°F (2020) | 39.0°F (1986) | 4.34 in (1991) |
| June 4 | 91.0°F (2020) | 39.9°F (1976) | 1.63 in (2008) |
| June 5 | 91.9°F (2021) | 39.9°F (1976) | 1.42 in (1963) |
| June 6 | 93.0°F (2021) | 39.0°F (1976) | 1.83 in (1983) |
| June 7 | 96.1°F (1999) | 45.0°F (1977) | 1.88 in (1989) |
| June 8 | 97.0°F (2007) | 36.0°F (1977) | 1.71 in (2014) |
| June 9 | 97.0°F (2011) | 43.0°F (1975) | 0.66 in (1977) |
| June 10 | 99.0°F (1964) | 43.0°F (1988) | 1.16 in (2009) |
| June 11 | 95.0°F (2016) | 39.9°F (1972) | 1.07 in (2004) |
| June 12 | 96.1°F (1986) | 44.1°F (1972) | 1.88 in (1968) |
| June 13 | 95.0°F (2017) | 43.0°F (1980) | 2.03 in (1982) |
| June 14 | 98.1°F (1994) | 41.0°F (1979) | 1.51 in (2025) |
| June 15 | 99.0°F (1994) | 42.1°F (1978) | 1.70 in (1960) |
| June 16 | 96.1°F (1991) | 46.9°F (1978) | 2.82 in (2016) |
| June 17 | 96.1°F (2022) | 46.0°F (1980) | 1.01 in (1979) |
| June 18 | 93.9°F (2006) | 45.0°F (1965) | 1.14 in (1991) |
| June 19 | 98.1°F (1994) | 45.0°F (1986) | 1.99 in (2003) |
| June 20 | 97.0°F (1964) | 48.0°F (2000) | 1.49 in (1962) |
| June 21 | 98.1°F (1988) | 48.9°F (1992) | 10.67 in (1972) |
| June 22 | 100.0°F (2024) | 48.0°F (1963) | 2.06 in (2001) |
| June 23 | 98.1°F (2024) | 44.1°F (1992) | 0.59 in (2016) |
| June 24 | 97.0°F (2010) | 46.0°F (1979) | 1.76 in (1994) |
| June 25 | 97.0°F (1966) | 44.1°F (1979) | 5.94 in (2006) |
| June 26 | 99.0°F (2024) | 42.1°F (1979) | 1.92 in (2006) |
| June 27 | 100.0°F (1964) | 44.1°F (1979) | 1.47 in (2006) |
| June 28 | 97.0°F (1966) | 44.1°F (1970) | 1.06 in (1983) |
| June 29 | 102.0°F (2012) | 46.9°F (1970) | 2.70 in (1975) |
| June 30 | 98.1°F (1964) | 51.1°F (1989) | 1.25 in (1972) |