Greeley, CO weather in August
August in Greeley: hot, with some rain. Highs 89°F, lows 57°F, rain on about 7 days. This is the peak of the warm season in Greeley.
- Normal high
- 89°F
- Normal low
- 57°F
- Wet days
- 7
- 1.6 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 91°F | 87°F |
| Normal low | 60°F | 54°F |
| Chance of a wet day | 24% | 20% |
| Sunrise / sunset | 5:56 am / 8:14 pm | 6:25 am / 7:32 pm |
| Daylight | 14.3 h | 13.1 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 August day
- 6 am61°Fdew point 49°F
- 9 am74°Fdew point 49°F
- Noon83°Fdew point 45°F
- 3 pm84°Fdew point 44°F
- 6 pm78°Fdew point 47°F
- 9 pm68°Fdew point 49°F
NOAA hourly normals (local standard time) from Denver Intl Airport (41 mi away); average wind 9 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 38%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 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 snow7 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 August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 1.6 in; a dry August brings about 0.6 in and a wet one about 2.1 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How August varies from year to year
- Warmest August, 1991-20202020: average high 96°F
- Coolest August1992: average high 82°F
- Wettest August2008: 7.0 in
- Driest August2012: 0.04 in
- Highest reading106°F (August 11, 2006)
- Lowest reading41°F (August 27, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 92°F | 89°F | 82°F |
| Normal low | 59°F | 57°F | 49°F |
| Wet days | 7 | 7 | 6 |
| Comfortable days | 2 | 3 | 9 |
| Daylight | 14.7 h | 13.7 h | 12.4 h |
Highs change by -3°F from July and -7°F into September.
Nearby alternatives in August
- Cooler: Estes Park, CO43 mi · high 78°F · 13 wet days
How Greeley ranks in August
- Normal high143rd warmest of 378 cities; 2nd of 17 in Colorado
- Wet days139th driest of 378
- Comfortable days163rd most of 341
What to pack for Greeley in August
- Light, breathable clothing – highs near 89°F
- Layers – afternoons near 89°F but nights near 57°F
Heating and cooling
August has 6 heating degree days and 262 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Greeley in August?
The normal high is 89°F and the normal low is 57°F. From 1991 to 2020 the hottest August reading was 106°F (August 11, 2006).
Does it rain a lot in Greeley in August?
About 7 days in August have at least 0.01 in of precipitation, and the normal total is 1.6 in. The wettest August in 1991-2020 was in 2008 (7.0 in); the driest was in 2012 (0.04 in).
Is August a good time to visit Greeley?
August ranks 8th of 12 months on our comfort score for Greeley (47 out of 100). It has about 3 comfortable days and about 17 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Greeley Unc (USC00053553), 1.6 mi SSE of the city center, 4,715 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Denver Intl Airport (USW00003017), 41 mi S of the city center, 5,414 ft (740 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Aurora Buckley Fld ANGB (USW00023036), 49 mi S of the city center, 5,663 ft (989 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Denver International Airport (725650-03017), 40 mi S of the city center, 5,404 ft (730 ft higher than the city). Hourly observations, 1991-2020.