June weather in Newcastle, WY
The average temperature in Newcastle in June is 65.3°F (53.0°F–77.6°F). Average precipitation: 2.68 inches.
June is a summer month in Newcastle, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 15h 13m. For travel, June is one of the best months of the year to visit.
Avg High
77.6°F
Avg Low
53.0°F
Precipitation
2.68 in
Daylight
15h 13m
June records in Newcastle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 91.9°F (1940) | 32.0°F (1951) | 1.35 in (1908) |
| June 2 | 95.0°F (2020) | 28.0°F (1951) | 1.42 in (1929) |
| June 3 | 91.9°F (1968) | 28.9°F (1951) | 0.98 in (1944) |
| June 4 | 93.0°F (1977) | 28.9°F (1943) | 1.10 in (1986) |
| June 5 | 96.1°F (2021) | 33.1°F (1937) | 1.66 in (1923) |
| June 6 | 96.1°F (2021) | 32.0°F (1944) | 1.38 in (1999) |
| June 7 | 98.1°F (2004) | 34.0°F (1982) | 1.03 in (1993) |
| June 8 | 95.0°F (1973) | 33.1°F (2007) | 2.70 in (1964) |
| June 9 | 100.0°F (2000) | 33.1°F (1924) | 1.41 in (1986) |
| June 10 | 95.0°F (2016) | 34.0°F (1995) | 1.15 in (1969) |
| June 11 | 95.0°F (1921) | 36.0°F (1938) | 0.90 in (2015) |
| June 12 | 97.0°F (2016) | 33.1°F (1985) | 2.00 in (1926) |
| June 13 | 98.1°F (1979) | 32.0°F (1969) | 1.87 in (1921) |
| June 14 | 98.1°F (1924) | 33.1°F (1969) | 1.79 in (1976) |
| June 15 | 100.9°F (2006) | 37.9°F (1969) | 1.80 in (1939) |
| June 16 | 100.9°F (2021) | 35.1°F (1981) | 0.84 in (1962) |
| June 17 | 97.0°F (1933) | 33.1°F (1975) | 1.92 in (1965) |
| June 18 | 98.1°F (1933) | 34.0°F (1973) | 2.20 in (1998) |
| June 19 | 100.0°F (1989) | 30.0°F (1912) | 2.15 in (1921) |
| June 20 | 100.9°F (1974) | 36.0°F (1929) | 1.27 in (1947) |
| June 21 | 100.0°F (1974) | 39.0°F (1927) | 1.10 in (2023) |
| June 22 | 100.0°F (1919) | 39.0°F (1989) | 0.52 in (1966) |
| June 23 | 102.0°F (1954) | 41.0°F (1987) | 1.15 in (1988) |
| June 24 | 102.0°F (1936) | 34.0°F (1958) | 1.25 in (1934) |
| June 25 | 100.0°F (2007) | 36.0°F (1908) | 1.25 in (1968) |
| June 26 | 104.0°F (1974) | 39.0°F (1968) | 0.98 in (1953) |
| June 27 | 102.0°F (1980) | 39.0°F (1985) | 0.79 in (1959) |
| June 28 | 102.9°F (2002) | 39.9°F (1985) | 0.57 in (1942) |
| June 29 | 102.0°F (1961) | 39.0°F (1985) | 1.14 in (1926) |
| June 30 | 105.1°F (2002) | 37.0°F (1995) | 0.96 in (1986) |