April Weather in Greeley, United States

Last updated: June 24, 2025

In Greeley, United States, the average temperature in April hovers around 9°C (49°F), creating a crisp atmosphere. However, temperatures can range dramatically from a chilly -13°C (9°F) to a warm 30°C (87°F). Expect about 35 mm (1.4 in) of precipitation spread over 8 days, and enjoy an average humidity of 60% that adds a touch of moisture to the air.

April Temperature in Greeley

In April in Greeley, the average temperature is 9°C (49°F), with maximums reaching up to 30°C (87°F) and minimums plummeting as low as -13°C (9°F). It's advisable for travelers to pack a variety of clothing to prepare for the wide temperature range.

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 (49°F), with highs reaching up to 30°C (87°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 35 mm (1.4 in) over the course of 8 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 35 mm (1.4 inches) of precipitation spread over approximately 8 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 60%. With an average temperature of 9°C (49°F), this humidity feels like a cool, brisk embrace that adds a certain dampness to the air, making it refreshing yet a bit uncomfortable for prolonged outdoor activities.

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 60%, 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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, 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	-1°C (31°F)	11 mm (0.4 inches)	72%	moderate
February Weather	-1°C (30°F)	13 mm (0.5 inches)	76%	moderate
March Weather	5°C (42°F)	44 mm (1.7 inches)	61%	high
April Weather	9°C (49°F)	35 mm (1.4 inches)	60%	very high
May Weather	14°C (58°F)	95 mm (3.8 inches)	74%	very high
June Weather	21°C (71°F)	34 mm (1.3 inches)	82%	extreme
July Weather	25°C (77°F)	30 mm (1.2 inches)	82%	extreme
August Weather	23°C (74°F)	32 mm (1.3 inches)	84%	very high
September Weather	20°C (68°F)	15 mm (0.6 inches)	75%	very high
October Weather	10°C (49°F)	24 mm (0.9 inches)	73%	high
November Weather	5°C (41°F)	15 mm (0.6 inches)	74%	moderate
December Weather	0°C (33°F)	10 mm (0.4 inches)	77%	moderate