Missoula, MT weather in July
Missoula is warm in July, with some rain: highs average 85°F and nights drop to about 52°F. Expect about 6 wet days. This is the peak of the warm season in Missoula.
- Normal high
- 85°F
- Normal low
- 52°F
- Wet days
- 6
- 0.8 in total
- Muggy days
- 0
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 79°F | 89°F |
| Normal low | 49°F | 53°F |
| Chance of a wet day | 28% | 19% |
| Sunrise / sunset | 5:45 am / 9:34 pm | 6:14 am / 9:10 pm |
| Daylight | 15.8 h | 14.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical July day
- 6 am55°Fdew point 46°F
- 9 am66°Fdew point 47°F
- Noon77°Fdew point 45°F
- 3 pm83°Fdew point 43°F
- 6 pm82°Fdew point 43°F
- 9 pm71°Fdew point 45°F
NOAA hourly normals (local standard time) from Missoula Intl Airport (6 mi away); average wind 6 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 31
- Hot dayshigh 90°F or more12 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.8 in; a dry July brings about 0.3 in and a wet one about 1.4 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20202007: average high 97°F
- Coolest July1993: average high 72°F
- Wettest July1998: 3.2 in
- Driest July2017: no measurable precipitation
- Highest reading107°F (July 6, 2007)
- Lowest reading35°F (July 4, 1994)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 73°F | 85°F | 84°F |
| Normal low | 46°F | 52°F | 50°F |
| Wet days | 13 | 6 | 6 |
| Comfortable days | 15 | 7 | 7 |
| Daylight | 15.8 h | 15.4 h | 14.2 h |
Highs change by +12°F from June and -1°F into August.
Nearby alternatives in July
- Warmer: Boise, ID249 mi · high 93°F · 2 wet days
- Drier: Boise, ID249 mi · high 93°F · 2 wet days
- Cooler: Big Sky, MT167 mi · high 78°F · 10 wet days
How Missoula ranks in July
- Normal high225th warmest of 378 cities; 2nd of 6 in Montana
- Wet days125th driest of 378
- Comfortable days83rd most of 340
What to pack for Missoula in July
- Light, breathable clothing – highs near 85°F
- Layers – afternoons near 85°F but nights near 52°F
- Sunglasses and sunscreen – about 15.4 hours of daylight and highs near 85°F
Heating and cooling
July has 39 heating degree days and 146 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How hot is Missoula in July?
The normal high is 85°F and the normal low is 52°F. From 1991 to 2020 the hottest July reading was 107°F (July 6, 2007).
Does it rain a lot in Missoula in July?
About 6 days in July have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest July in 1991-2020 was in 1998 (3.2 in); the driest was in 2017, with no measurable precipitation.
Is July a good time to visit Missoula?
July ranks 5th of 12 months on our comfort score for Missoula (59 out of 100). It has about 7 comfortable days and about 12 days at 90°F or hotter. The best months are May and June.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and humidity and wind by hour: Missoula Intl Airport (USW00024153), 5.7 mi NW of the city center, 3,192 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Missoula 2 Ne (USC00245735), 2.2 mi NE of the city center, 3,420 ft (212 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Missoula International Airport (727730-24153), 5.8 mi NW of the city center, 3,195 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).