April Weather in Valparaiso, United States

Last updated: June 24, 2025

In April, the average temperature in Valparaiso, United States hovers around 9°C (48°F). Expect a minimum chill of -6°C (21°F) and the warmth of a maximum 28°C (82°F). With 113 mm (4.4 in) of precipitation spread over 13 days, be prepared for some wet weather. The air is notably humid, with an average humidity of 87%, creating a unique climate experience!

April Temperature in Valparaiso

In April in Valparaiso, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (82°F), while minima can drop as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

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

The chart illustrates April temperature patterns in Valparaiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valparaiso, April typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (21°F).

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

April Precipitation in Valparaiso

In Valparaiso in April, the precipitation amount is 113 mm (4.4 in) over the course of 13 days.

April Precipitation Trends in Valparaiso

The chart displays monthly precipitation patterns in Valparaiso, 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 Valparaiso, April typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Valparaiso

In Valparaiso in April humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

April Average Humidity in Valparaiso

This chart illustrates the average monthly humidity levels in Valparaiso, 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 Valparaiso is approximately 87%, 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 Valparaiso

In Valparaiso in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Valparaiso.

Maximum UV Index Levels in Valparaiso for April

The chart shows the monthly maximum UV Index (UVI) for Valparaiso 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 Valparaiso typically reaches 8, which falls under the very high exposure category.

Data source: Valparaiso 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 Valparaiso Compares to Other Months

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

This table compares monthly weather conditions in Valparaiso, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	74 mm (2.9 inches)	85%	moderate
February Weather	-1°C (30°F)	73 mm (2.9 inches)	85%	moderate
March Weather	4°C (39°F)	101 mm (4.0 inches)	86%	high
April Weather	9°C (48°F)	113 mm (4.4 inches)	87%	very high
May Weather	16°C (60°F)	166 mm (6.5 inches)	81%	very high
June Weather	22°C (71°F)	136 mm (5.4 inches)	82%	very high
July Weather	24°C (75°F)	107 mm (4.2 inches)	81%	very high
August Weather	23°C (73°F)	102 mm (4.0 inches)	79%	very high
September Weather	20°C (68°F)	73 mm (2.9 inches)	78%	very high
October Weather	13°C (56°F)	136 mm (5.4 inches)	81%	high
November Weather	5°C (41°F)	73 mm (2.9 inches)	89%	moderate
December Weather	1°C (35°F)	63 mm (2.5 inches)	86%	low