Climate averages 1991–2020
Aurora (Colorado), United States weather
in August.
A hot, fairly dry month: the 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Aurora (Colorado), United States: daytime highs average 29.2°C and nights cool to about 15.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 34 mm of rain on roughly 6 days, which makes August a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 44 min on an average August day.
The nearest other city in this atlas is Denver (13 km away). In August its highs average 28.2°C, 0.9°C cooler than Aurora (Colorado), United States, with 39 mm of rain.
Among the 498 cities listed in the United States, Aurora (Colorado), United States ranks joint 278th of 498 for the warmest August highs and joint 162nd of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Aurora (Colorado), United States is 0.7°C cooler than that mean.
From August to September, average highs fall by 4.1°C to 25.1°C, and monthly rainfall falls from 34 mm to 27 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Aurora (Colorado), United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.4°C-7.9°C | -7.9°C | 14 | 3.8 | 9.710 h |
| February | 6.9°C-7.0°C | -7.0°C | 14 | 3.8 | 10.711 h |
| March | 11.7°C-3.0°C | -3.0°C | 35 | 5.7 | 11.912 h |
| April | 15.3°C0.9°C | 0.9°C | 55 | 8.1 | 13.213 h |
| May | 20.7°C6.7°C | 6.7°C | 63 | 9.3 | 14.314 h |
| June | 27.3°C12.4°C | 12.4°C | 40 | 7.6 | 14.915 h |
| July | 30.4°C16.0°C | 16.0°C | 38 | 7.5 | 14.715 h |
| August, selected | 29.2°C15.2°C | 15.2°C | 34 | 6.3 | 13.714 h |
| September | 25.1°C10.8°C | 10.8°C | 27 | 4.8 | 12.512 h |
| October | 17.6°C3.6°C | 3.6°C | 30 | 5.1 | 11.211 h |
| November | 10.4°C-3.4°C | -3.4°C | 20 | 4.4 | 10.010 h |
| December | 5.0°C-8.0°C | -8.0°C | 14 | 3.4 | 9.49 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Denver in AugustUnited States · 13 kmHigh 28.2°C · Low 13.9°C · 39 mm rain
- Centennial in AugustUnited States · 17 kmHigh 27.7°C · Low 13.4°C · 47 mm rain
- Thornton in AugustUnited States · 20 kmHigh 28.0°C · Low 13.8°C · 39 mm rain
- Westminster (Colorado), United States in AugustUnited States · 21 kmHigh 28.1°C · Low 13.8°C · 39 mm rain
- Lakewood in AugustUnited States · 22 kmHigh 28.1°C · Low 13.7°C · 39 mm rain
- Highlands Ranch in AugustUnited States · 23 kmHigh 27.6°C · Low 13.2°C · 47 mm rain
- Arvada in AugustUnited States · 23 kmHigh 28.0°C · Low 13.7°C · 39 mm rain
- Boulder in AugustUnited States · 49 kmHigh 27.5°C · Low 13.7°C · 71 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Aurora) is explained once on the Aurora (Colorado), United States year overview and on the Sources, method and limits page.