July weather in Roundup, MT
The average temperature in Roundup in July is 71.2°F (53.5°F–88.9°F). Average precipitation: 1.70 inches.
July is a summer month in Roundup, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 35.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 15h 16m. For travel, July is hot.
Avg High
88.9°F
Avg Low
53.5°F
Precipitation
1.70 in
Daylight
15h 16m
July records in Roundup
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (1937) | 39.0°F (1963) | 1.20 in (1938) |
| July 2 | 98.1°F (1985) | 36.0°F (1955) | 0.37 in (1950) |
| July 3 | 102.9°F (2012) | 42.1°F (1921) | 1.71 in (1993) |
| July 4 | 102.0°F (1937) | 37.0°F (1972) | 1.32 in (1946) |
| July 5 | 105.1°F (1937) | 41.0°F (1915) | 0.95 in (1994) |
| July 6 | 108.0°F (2007) | 39.9°F (1934) | 0.85 in (1992) |
| July 7 | 106.0°F (2007) | 41.0°F (1971) | 0.70 in (1915) |
| July 8 | 106.0°F (2002) | 42.1°F (1931) | 0.60 in (1937) |
| July 9 | 105.1°F (2002) | 42.1°F (1981) | 0.34 in (1982) |
| July 10 | 106.0°F (1934) | 44.1°F (1999) | 1.21 in (1914) |
| July 11 | 104.0°F (1973) | 39.9°F (1951) | 1.14 in (2016) |
| July 12 | 109.0°F (2002) | 41.0°F (2008) | 0.60 in (1995) |
| July 13 | 109.9°F (2002) | 43.0°F (1963) | 1.10 in (2001) |
| July 14 | 111.0°F (2002) | 43.0°F (1977) | 0.84 in (1962) |
| July 15 | 111.0°F (2002) | 42.1°F (1963) | 0.77 in (1993) |
| July 16 | 106.0°F (1966) | 43.0°F (1999) | 1.69 in (1986) |
| July 17 | 104.0°F (2003) | 41.0°F (1982) | 1.99 in (1987) |
| July 18 | 105.1°F (1955) | 43.0°F (1950) | 1.35 in (1981) |
| July 19 | 105.1°F (1960) | 42.1°F (1919) | 0.60 in (1981) |
| July 20 | 104.0°F (1960) | 42.1°F (1933) | 0.77 in (1995) |
| July 21 | 106.0°F (1931) | 44.1°F (1942) | 2.35 in (1955) |
| July 22 | 104.0°F (1940) | 45.0°F (1990) | 1.00 in (1995) |
| July 23 | 109.0°F (1980) | 43.0°F (1963) | 0.50 in (2014) |
| July 24 | 106.0°F (2003) | 33.1°F (1991) | 0.48 in (1934) |
| July 25 | 106.0°F (1933) | 43.0°F (1948) | 0.61 in (1969) |
| July 26 | 105.1°F (1931) | 42.1°F (1971) | 1.20 in (1915) |
| July 27 | 107.1°F (1933) | 39.0°F (1921) | 1.15 in (1993) |
| July 28 | 105.1°F (1935) | 39.9°F (1921) | 1.49 in (1965) |
| July 29 | 102.0°F (1933) | 39.0°F (1921) | 0.75 in (1919) |
| July 30 | 105.1°F (2007) | 39.9°F (1921) | 0.36 in (1987) |
| July 31 | 106.0°F (1943) | 39.9°F (1921) | 0.90 in (1975) |