July weather in Grass Range, MT
The average temperature in Grass Range in July is 68.1°F (52.9°F–83.3°F). Average precipitation: 1.70 inches.
July is a summer month in Grass Range, and is warmer than the annual average of 45.5°F. Daily temperatures swing about 30.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 15h 20m. For travel, July is a comfortable month to visit.
Avg High
83.3°F
Avg Low
52.9°F
Precipitation
1.70 in
Daylight
15h 20m
July records in Grass Range
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (1990) | 35.1°F (1968) | 70.13 in (1953) |
| July 2 | 100.0°F (1936) | 35.1°F (1955) | 0.83 in (2004) |
| July 3 | 102.9°F (1936) | 36.0°F (1972) | 1.54 in (1978) |
| July 4 | 102.9°F (1937) | 33.1°F (1972) | 1.03 in (1979) |
| July 5 | 105.1°F (1936) | 30.0°F (1994) | 2.20 in (2022) |
| July 6 | 102.0°F (1936) | 39.9°F (1945) | 2.00 in (1994) |
| July 7 | 102.0°F (1936) | 37.0°F (1971) | 1.12 in (2022) |
| July 8 | 102.0°F (1983) | 37.0°F (1971) | 0.97 in (2003) |
| July 9 | 98.1°F (1940) | 37.9°F (2011) | 0.62 in (2000) |
| July 10 | 102.0°F (1973) | 39.9°F (1999) | 0.60 in (1983) |
| July 11 | 100.0°F (1939) | 35.1°F (1951) | 1.13 in (2015) |
| July 12 | 100.9°F (2002) | 39.0°F (1963) | 1.30 in (1993) |
| July 13 | 100.9°F (1953) | 39.9°F (1965) | 0.97 in (1989) |
| July 14 | 102.9°F (1953) | 18.0°F (1942) | 0.56 in (1958) |
| July 15 | 100.0°F (1935) | 36.0°F (1994) | 1.60 in (2025) |
| July 16 | 102.0°F (1966) | 33.1°F (1994) | 0.66 in (1975) |
| July 17 | 102.9°F (1936) | 37.9°F (1914) | 1.80 in (1987) |
| July 18 | 106.0°F (1936) | 42.1°F (1914) | 0.76 in (1987) |
| July 19 | 102.9°F (1960) | 37.0°F (1972) | 0.84 in (1972) |
| July 20 | 102.0°F (1934) | 41.0°F (1994) | 0.92 in (1997) |
| July 21 | 102.0°F (1936) | 36.0°F (1994) | 1.31 in (1967) |
| July 22 | 104.0°F (1985) | 37.0°F (1954) | 0.70 in (2025) |
| July 23 | 100.0°F (1940) | 39.9°F (1950) | 0.35 in (2025) |
| July 24 | 102.0°F (1936) | 41.0°F (1952) | 1.60 in (1934) |
| July 25 | 100.9°F (1988) | 42.1°F (1958) | 1.40 in (1982) |
| July 26 | 100.9°F (1988) | 37.9°F (1971) | 0.83 in (1942) |
| July 27 | 100.0°F (1935) | 39.9°F (2012) | 0.85 in (1956) |
| July 28 | 104.0°F (1935) | 39.0°F (1976) | 0.65 in (2025) |
| July 29 | 98.1°F (1934) | 36.0°F (1971) | 0.77 in (2023) |
| July 30 | 100.0°F (1936) | 39.0°F (1971) | 0.56 in (1965) |
| July 31 | 100.0°F (1936) | 39.9°F (1968) | 0.90 in (1975) |