Broomfield County climate

Broomfield County Weather in August

NOAA 1991-2020 normals for Northglenn, 7 km from Broomfield County

Average highs run from 91°F on August 1 to 87°F on August 31, and lows from 59°F to 54°F. Normal precipitation for the month is 1.32 in over about 8 wet days.

August day by day

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

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

August at a glance

Average high
89°F
Average low
57°F
Precipitation
1.32 in
Record high
110°FAug 2, 2008
Record low
41°FAug 6, 1986
Chance of a freeze
0%
Days of 90°F or more
15.9
Daylight
14 h 15 min to 13 h 06 min
Cloud cover
51%
Humidity
44%
Dew point
45°F
Wind
7.2 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
Aug 191°F59°F101°F 200852°F 199226%0%
Aug 290°F59°F110°F 200842°F 198626%0%
Aug 390°F59°F106°F 202648°F 198626%0%
Aug 490°F59°F104°F 202644°F 198626%0%
Aug 590°F59°F101°F 202549°F 199626%0%
Aug 690°F59°F102°F 202241°F 198626%0%
Aug 790°F59°F103°F 200347°F 199626%0%
Aug 890°F59°F103°F 202547°F 199626%0%
Aug 990°F59°F104°F 202651°F 202326%0%
Aug 1090°F58°F104°F 202648°F 198525%0%
Aug 1190°F58°F102°F 202651°F 199625%0%
Aug 1289°F58°F103°F 202648°F 198525%0%
Aug 1389°F58°F98°F 200746°F 200225%0%
Aug 1489°F58°F104°F 200750°F 200425%0%
Aug 1589°F58°F101°F 202546°F 198624%0%
Aug 1689°F57°F103°F 200249°F 199524%0%
Aug 1789°F57°F102°F 202347°F 198524%0%
Aug 1889°F57°F101°F 202449°F 201524%0%
Aug 1989°F57°F102°F 202048°F 201524%0%
Aug 2089°F57°F99°F 201946°F 201623%0%
Aug 2188°F57°F100°F 200348°F 200423%0%
Aug 2288°F56°F104°F 202651°F 198723%0%
Aug 2388°F56°F100°F 200348°F 201522%0%
Aug 2488°F56°F102°F 202046°F 198522%0%
Aug 2588°F56°F100°F 202646°F 201622%0%
Aug 2688°F55°F101°F 201948°F 199222%0%
Aug 2788°F55°F99°F 200146°F 198722%0%
Aug 2887°F55°F99°F 201241°F 200421%0%
Aug 2987°F55°F101°F 202644°F 200421%0%
Aug 3087°F54°F101°F 199047°F 199221%0%
Aug 3187°F54°F100°F 200545°F 202021%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Broomfield County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:59 AM, sunset 8:14 PM
August 31
sunrise 6:27 AM, sunset 7:33 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00055984 (Northglenn), 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.