April Weather in Pasadena Hills, United States

Last updated: June 24, 2025

In April, the average temperature in Pasadena Hills, United States is a pleasant 23°C (73°F). Expect a range from a cool 7°C (45°F) to a warm 36°C (96°F), making it ideal for varying outdoor activities. However, be prepared for some rain, as 77 mm (3.0 in) of precipitation is anticipated over 8 days. The average humidity level sits at a comfortable 70%, providing a refreshing experience throughout the month!

April Temperature in Pasadena Hills

In April in Pasadena Hills, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (96°F), while the minimum can drop to as low as 7°C (45°F). This pleasant climate makes Pasadena Hills an ideal destination for travelers seeking a comfortable getaway.

April Weather in Pasadena Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Pasadena Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pasadena Hills, April typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (45°F).

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

April Precipitation in Pasadena Hills

In Pasadena Hills in April, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.

April Precipitation Trends in Pasadena Hills

The chart displays monthly precipitation patterns in Pasadena Hills, 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 Pasadena Hills, April typically receives around 77 mm (3.0 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 Pasadena Hills

In Pasadena Hills in April humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

April Average Humidity in Pasadena Hills

This chart illustrates the average monthly humidity levels in Pasadena Hills, 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 Pasadena Hills 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 Pasadena Hills

In Pasadena Hills in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Pasadena Hills.

Maximum UV Index Levels in Pasadena Hills for April

The chart shows the monthly maximum UV Index (UVI) for Pasadena Hills 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 Pasadena Hills typically reaches 11, which falls under the extreme exposure category.

Data source: Pasadena Hills 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 Pasadena Hills Compares to Other Months

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

This table compares monthly weather conditions in Pasadena Hills, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (60°F)	43 mm (1.7 inches)	83%	high
February Weather	19°C (66°F)	69 mm (2.7 inches)	80%	very high
March Weather	20°C (68°F)	20 mm (0.8 inches)	75%	very high
April Weather	23°C (73°F)	77 mm (3.0 inches)	70%	extreme
May Weather	25°C (78°F)	123 mm (4.8 inches)	68%	extreme
June Weather	27°C (81°F)	223 mm (8.8 inches)	75%	extreme
July Weather	27°C (81°F)	276 mm (10.8 inches)	79%	extreme
August Weather	28°C (82°F)	247 mm (9.7 inches)	81%	extreme
September Weather	27°C (81°F)	189 mm (7.4 inches)	83%	extreme
October Weather	25°C (77°F)	82 mm (3.2 inches)	81%	very high
November Weather	20°C (68°F)	49 mm (1.9 inches)	82%	high
December Weather	17°C (64°F)	70 mm (2.8 inches)	84%	moderate