Climate averages 1991–2020
Greeley weather
in March.
A cool, fairly dry month: the 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Greeley: daytime highs average 12.9°C and nights cool to about -2.3°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 29 mm of rain on roughly 5 days, which makes March a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average March day.
The nearest other city in this atlas is Loveland (31 km away). In March its highs average 10.9°C, 2.0°C cooler than Greeley, with 38 mm of rain.
Among the 498 cities listed in the United States, Greeley ranks 292nd of 498 for the warmest March highs and joint 31st of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Greeley is 2.0°C cooler than that mean.
From March to April, average highs rise by 4.0°C to 16.9°C, and monthly rainfall rises from 29 mm to 49 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Loveland in MarchUnited States · 31 kmHigh 10.9°C · Low -4.4°C · 38 mm rain
- Fort Collins in MarchUnited States · 36 kmHigh 10.7°C · Low -4.1°C · 38 mm rain
- Longmont in MarchUnited States · 44 kmHigh 11.0°C · Low -3.9°C · 42 mm rain
- Thornton in MarchUnited States · 66 kmHigh 10.7°C · Low -4.9°C · 47 mm rain
- Boulder in MarchUnited States · 66 kmHigh 10.0°C · Low -4.5°C · 50 mm rain
- Westminster (Colorado), United States in MarchUnited States · 71 kmHigh 10.7°C · Low -4.9°C · 47 mm rain
- Arvada in MarchUnited States · 76 kmHigh 10.7°C · Low -5.0°C · 47 mm rain
- Aurora (Colorado), United States in MarchUnited States · 78 kmHigh 11.7°C · Low -3.0°C · 35 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.