April Weather in Pomona, United States

Last updated: June 24, 2025

In Pomona, United States, the average temperature in April hovers around 16°C (62°F). Expect a minimum of 7°C (44°F) and the possibility of reaching up to 35°C (95°F). With 27 mm (1.1 in) of precipitation spread over 3 days, the average humidity sits at a breezy 70%. Enjoy the mild weather as you explore this captivating destination!

April Temperature in Pomona

In April, in Pomona, the average temperature is 16°C (62°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 7°C (44°F). This range makes Pomona an ideal destination for travelers seeking a variety of climate experiences.

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

The chart illustrates April temperature patterns in Pomona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomona, April typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (44°F).

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

April Precipitation in Pomona

In Pomona in April, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

April Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, 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 Pomona, April typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 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 Pomona

In Pomona in April, humidity is 70%. With an average temperature of 16°C (62°F), this humidity feels like a cool, damp blanket wrapping around you, making outdoor activities a bit uncomfortable and prompting travelers to seek shade or indoor attractions to avoid the sticky air.

April Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, 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 Pomona is approximately 70%, 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 Pomona

In Pomona 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 Pomona.

Maximum UV Index Levels in Pomona for April

The chart shows the monthly maximum UV Index (UVI) for Pomona 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 Pomona typically reaches 10, which falls under the very high exposure category.

Data source: Pomona 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 Pomona Compares to Other Months

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

This table compares monthly weather conditions in Pomona, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	80 mm (3.1 inches)	74%	moderate
February Weather	12°C (55°F)	70 mm (2.8 inches)	79%	high
March Weather	14°C (57°F)	76 mm (3.0 inches)	75%	very high
April Weather	16°C (62°F)	27 mm (1.1 inches)	70%	very high
May Weather	18°C (64°F)	17 mm (0.7 inches)	70%	very high
June Weather	21°C (70°F)	1 mm (0.0 inches)	72%	extreme
July Weather	24°C (76°F)	1 mm (0.1 inches)	73%	extreme
August Weather	25°C (77°F)	2 mm (0.1 inches)	69%	very high
September Weather	23°C (74°F)	3 mm (0.1 inches)	68%	very high
October Weather	20°C (68°F)	12 mm (0.5 inches)	67%	high
November Weather	16°C (61°F)	26 mm (1.0 inches)	68%	moderate
December Weather	12°C (54°F)	79 mm (3.1 inches)	71%	moderate