April Weather in Greeley, United States

Last updated: June 24, 2025

In Greeley, United States, the average temperature in April hovers around 9°C (48°F). However, be prepared for a range of extremes: temperatures can dip to a chilly -13°C (9°F) or rise to a warm 31°C (88°F). Expect about 61 mm (2.4 in) of precipitation over approximately 10 days, coupled with an average humidity of 71%. Stay cozy or cool, depending on the weather's mood!

April Temperature in Greeley

In April in Greeley, the average temperature is 9°C (48°F). Maximum temperatures can reach 31°C (88°F), while minimums can plummet to as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

April Weather in Greeley: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Greeley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greeley, April typically has an average temperature of 9°C (48°F), with highs reaching up to 31°C (88°F) and lows dropping to around -13°C (9°F).

Data source: Temperature data for Greeley generated using information from the Copernicus Climate Change Service.

April Precipitation in Greeley

In Greeley in April, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

April Precipitation Trends in Greeley

The chart displays monthly precipitation patterns in Greeley, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Greeley, April typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Greeley

In Greeley in April humidity is 71%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor exploration brisk and invigorating, yet slightly uncomfortable unless you’re dressed warmly.

April Average Humidity in Greeley

This chart illustrates the average monthly humidity levels in Greeley, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Greeley is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Greeley

In Greeley in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Greeley.

Maximum UV Index Levels in Greeley for April

The chart shows the monthly maximum UV Index (UVI) for Greeley in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Greeley typically reaches 9, which falls under the very high exposure category.

Data source: Greeley April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Greeley Compares to Other Months

Weather in Greeley varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Greeley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Greeley, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	24 mm (0.9 inches)	73%	moderate
February Weather	-4°C (25°F)	20 mm (0.8 inches)	81%	moderate
March Weather	4°C (39°F)	84 mm (3.3 inches)	69%	high
April Weather	9°C (48°F)	61 mm (2.4 inches)	71%	very high
May Weather	15°C (60°F)	144 mm (5.7 inches)	80%	very high
June Weather	23°C (74°F)	89 mm (3.5 inches)	83%	extreme
July Weather	25°C (77°F)	77 mm (3.0 inches)	84%	very high
August Weather	23°C (73°F)	91 mm (3.6 inches)	84%	very high
September Weather	20°C (68°F)	57 mm (2.3 inches)	77%	very high
October Weather	10°C (50°F)	85 mm (3.3 inches)	72%	high
November Weather	4°C (39°F)	22 mm (0.9 inches)	80%	moderate
December Weather	-1°C (30°F)	42 mm (1.6 inches)	79%	moderate