Greeley Climate by Month
Greeley, Colorado, United States
Hot summers and cold winters, with little rain.
Hot summers and cold winters, with little rain: that's Greeley's climate in short. July is the warmest month, with highs around 90°F (32°C); December is the coolest at 43°F (6°C), and nights dip to 17°F (-8°C). It gets only 13 in (319 mm) of rain a year. December to February are almost completely dry.
- Warmest month
- 90°F(32°C)
- Average high, July
- Coldest nights
- 17°F(-8°C)
- Average low, January
- Rain per year
- 13 in(319 mm)
- No clear rainy season
- Humidity
- 47%
- Sunniest: July
Best and worst months in Greeley
Best for weatherMay and September are the best time for weather in Greeley: highs near 76°F (25°C) and about 1.8 in (46 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 43°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Greeley weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(7°C) | 17°F(-8°C) | 0.3 in(8 mm) | 53% | 2.3 |
| FebFebruary | 47°F(8°C) | 20°F(-7°C) | 0.3 in(7 mm) | 46% | 3.2 |
| MarMarch | 58°F(14°C) | 28°F(-2°C) | 0.9 in(23 mm) | 43% | 4.6 |
| AprApril | 65°F(18°C) | 35°F(2°C) | 1.3 in(34 mm) | 41% | 5.3 |
| MayMayBest | 73°F(23°C) | 44°F(7°C) | 2.4 in(60 mm) | 48% | 6.3 |
| JunJune | 84°F(29°C) | 54°F(12°C) | 1.7 in(43 mm) | 41% | 7.0 |
| JulJuly | 90°F(32°C) | 59°F(15°C) | 1.5 in(39 mm) | 45% | 7.1 |
| AugAugust | 87°F(31°C) | 57°F(14°C) | 1.1 in(29 mm) | 45% | 6.1 |
| SepSeptemberBest | 79°F(26°C) | 48°F(9°C) | 1.3 in(32 mm) | 45% | 5.2 |
| OctOctober | 66°F(19°C) | 35°F(2°C) | 0.9 in(23 mm) | 48% | 3.6 |
| NovNovember | 53°F(12°C) | 25°F(-4°C) | 0.5 in(13 mm) | 50% | 2.5 |
| DecDecember | 43°F(6°C) | 17°F(-8°C) | 0.3 in(8 mm) | 53% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Greeley →- 🇺🇸AuroraColorado, United States · Pop. 359k99%matchSame summer highsSame winter lowsGreeley vs Aurora →
- 🇺🇸Colorado SpringsColorado, United States · Pop. 457k98%matchSame winter lowsSame humidityGreeley vs Colorado Springs →
- 🇺🇸PuebloColorado, United States · Pop. 109k88%matchSame winter lowsSimilar rainfallGreeley vs Pueblo →
- 🇺🇸CheyenneWyoming, United States · Pop. 65k86%matchSame winter lowsSimilar rainfallGreeley vs Cheyenne →
- 🇺🇸BillingsMontana, United States · Pop. 117k81%matchSame winter lowsSame summer highsGreeley vs Billings →