Derby climate

Derby Weather in July

NOAA 1991-2020 normals for Denver-Stapleton, 9.4 km from Derby

Average highs run from 89°F on July 1 to 90°F on July 31, and lows from 57°F to 60°F. Normal precipitation for the month is 2.12 in over about 9 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Derby, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
90°F
Average low
59°F
Precipitation
2.12 in
Record high
108°FJul 22, 2005
Record low
43°FJul 13, 1987
Chance of a freeze
0%
Days of 90°F or more
16.8
Daylight
14 h 57 min to 14 h 16 min
Cloud cover
50%
Humidity
43%
Dew point
46°F
Wind
7.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 189°F57°F103°F 200245°F 199527%0%
Jul 289°F57°F102°F 200748°F 198527%0%
Jul 389°F58°F103°F 200345°F 199227%0%
Jul 489°F58°F100°F 200148°F 199327%0%
Jul 590°F58°F103°F 198947°F 199327%0%
Jul 690°F58°F101°F 200845°F 198627%0%
Jul 790°F58°F105°F 198946°F 199427%0%
Jul 890°F59°F105°F 198944°F 199427%0%
Jul 990°F59°F105°F 202150°F 198628%0%
Jul 1090°F59°F107°F 202552°F 198828%0%
Jul 1190°F59°F104°F 202253°F 198828%0%
Jul 1291°F59°F103°F 200846°F 198728%0%
Jul 1391°F59°F104°F 202443°F 198728%0%
Jul 1491°F60°F106°F 200350°F 198728%0%
Jul 1591°F60°F105°F 202447°F 198528%0%
Jul 1691°F60°F105°F 200651°F 199229%0%
Jul 1791°F60°F107°F 200650°F 199229%0%
Jul 1891°F60°F105°F 201050°F 198729%0%
Jul 1991°F60°F104°F 199849°F 198829%0%
Jul 2091°F60°F104°F 200548°F 199529%0%
Jul 2191°F60°F104°F 200546°F 198829%0%
Jul 2291°F60°F108°F 200550°F 198629%0%
Jul 2391°F60°F102°F 200552°F 199030%0%
Jul 2491°F60°F104°F 200550°F 200430%0%
Jul 2591°F60°F107°F 200350°F 200430%0%
Jul 2690°F60°F105°F 202648°F 202030%0%
Jul 2790°F60°F105°F 202651°F 199230%0%
Jul 2890°F60°F102°F 200850°F 199630%0%
Jul 2990°F60°F104°F 202550°F 200730%0%
Jul 3090°F60°F103°F 200149°F 199031%0%
Jul 3190°F60°F103°F 200650°F 200931%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Derby, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

July 1
sunrise 5:35 AM, sunset 8:32 PM
July 31
sunrise 5:58 AM, sunset 8:14 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023062 (Denver-Stapleton), public domain. Records: NOAA GHCN-Daily, station USC00055984, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.