Climate averages 1991–2020
Greeley weather
in July.
A hot, fairly dry month: the warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Greeley: daytime highs average 31.9°C and nights cool to about 17.1°C. By daytime temperature it is the warmest month of the year.
Expect about 36 mm of rain on roughly 7 days, which makes July a fairly dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 45 min on an average July day.
The nearest other city in this atlas is Loveland (31 km away). In July its highs average 29.2°C, 2.6°C cooler than Greeley, with 44 mm of rain.
Among the 498 cities listed in the United States, Greeley ranks joint 137th of 498 for the warmest July highs and 169th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Greeley is 1.6°C warmer than that mean.
From July to August, average highs fall by 1.4°C to 30.5°C, and monthly rainfall falls from 36 mm to 31 mm.
The annual picture
July 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
Greeley 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-7.4°C | -7.4°C | 11 | 2.9 | 9.610 h |
| February | 7.4°C-6.3°C | -6.3°C | 11 | 3.4 | 10.611 h |
| March | 12.9°C-2.3°C | -2.3°C | 29 | 5.4 | 11.912 h |
| April | 16.9°C2.2°C | 2.2°C | 49 | 8.5 | 13.313 h |
| May | 22.0°C7.7°C | 7.7°C | 67 | 9.7 | 14.414 h |
| June | 28.3°C13.3°C | 13.3°C | 40 | 7.3 | 15.015 h |
| July, selected | 31.9°C17.1°C | 17.1°C | 36 | 7.4 | 14.815 h |
| August | 30.5°C16.0°C | 16.0°C | 31 | 6.6 | 13.814 h |
| September | 26.0°C11.3°C | 11.3°C | 27 | 4.6 | 12.513 h |
| October | 17.9°C3.9°C | 3.9°C | 30 | 5.1 | 11.211 h |
| November | 10.4°C-2.7°C | -2.7°C | 16 | 3.8 | 10.010 h |
| December | 4.9°C-6.8°C | -6.8°C | 11 | 2.9 | 9.39 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
July in nearby cities
- Loveland in JulyUnited States · 31 kmHigh 29.2°C · Low 14.7°C · 44 mm rain
- Fort Collins in JulyUnited States · 36 kmHigh 29.3°C · Low 14.7°C · 44 mm rain
- Longmont in JulyUnited States · 44 kmHigh 29.5°C · Low 15.0°C · 42 mm rain
- Thornton in JulyUnited States · 66 kmHigh 29.2°C · Low 14.5°C · 41 mm rain
- Boulder in JulyUnited States · 66 kmHigh 28.7°C · Low 14.4°C · 75 mm rain
- Westminster (Colorado), United States in JulyUnited States · 71 kmHigh 29.3°C · Low 14.5°C · 41 mm rain
- Arvada in JulyUnited States · 76 kmHigh 29.1°C · Low 14.4°C · 41 mm rain
- Aurora (Colorado), United States in JulyUnited States · 78 kmHigh 30.4°C · Low 16.0°C · 38 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 Greeley) is explained once on the Greeley year overview and on the Sources, method and limits page.