Denver, CO weather in July
Denver is hot in July, with some rain: highs average 90°F and nights drop to about 59°F. Rain falls on about 9 days. This is the peak of the warm season in Denver.
- Normal high
- 90°F
- Normal low
- 59°F
- Wet days
- 9
- 2.1 in total
- Muggy days
- 0
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 89°F | 90°F |
| Normal low | 57°F | 60°F |
| Chance of a wet day | 27% | 30% |
| Sunrise / sunset | 5:35 am / 8:31 pm | 5:58 am / 8:14 pm |
| Daylight | 14.9 h | 14.3 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 am64°Fdew point 50°F
- 9 am76°Fdew point 49°F
- Noon84°Fdew point 45°F
- 3 pm85°Fdew point 44°F
- 6 pm79°Fdew point 47°F
- 9 pm70°Fdew point 50°F
NOAA hourly normals (local standard time) from Aurora Buckley Fld ANGB (13 mi away); average wind 8 mph; clear or few clouds in 42% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
- Hot dayshigh 90°F or more17 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in4 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 2.1 in; a dry July brings about 0.8 in and a wet one about 2.9 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202003: average high 94°F
- Coolest July2009: average high 83°F
- Wettest July1998: 7.0 in
- Driest July2008: 0.1 in
- Highest reading104°F (July 21, 2005)
- Lowest reading44°F (July 4, 2006)
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 | 84°F | 90°F | 88°F |
| Normal low | 53°F | 59°F | 57°F |
| Wet days | 8 | 9 | 9 |
| Comfortable days | 10 | 4 | 5 |
| Daylight | 14.9 h | 14.7 h | 13.7 h |
Highs change by +6°F from June and -2°F into August.
Nearby alternatives in July
- Cooler: Highlands Ranch, CO13 mi · high 84°F · 9 wet days
How Denver ranks in July
- Normal high137th warmest of 378 cities; 3rd of 17 in Colorado
- Wet days177th driest of 378
- Comfortable days132nd most of 340
What to pack for Denver in July
- Light, breathable clothing – highs near 90°F
- Layers – afternoons near 90°F but nights near 59°F
- A rain jacket or umbrella – rain on about 9 days
- Sunglasses and sunscreen – about 14.7 hours of daylight and highs near 90°F
Heating and cooling
July has 4 heating degree days and 306 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Denver in July?
The normal high is 90°F and the normal low is 59°F. From 1991 to 2020 the hottest July reading was 104°F (July 21, 2005).
Does it rain a lot in Denver in July?
About 9 days in July have at least 0.01 in of precipitation, and the normal total is 2.1 in. The wettest July in 1991-2020 was in 1998 (7.0 in); the driest was in 2008 (0.2 in).
Is July a good time to visit Denver?
July ranks 9th of 12 months on our comfort score for Denver (50 out of 100). It has about 4 comfortable days and about 17 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Denver-Stapleton (USW00023062), 6.3 mi ENE of the city center, 5,286 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Aurora Buckley Fld ANGB (USW00023036), 13 mi E of the city center, 5,663 ft (387 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Buckley Air Force Base (724695-23036), 13 mi E of the city center, 5,663 ft (387 ft higher than the city). Hourly observations, 1991-2020.