May Weather in Valparaiso, United States

Last updated: June 24, 2025

In May, the average temperature in Valparaiso, United States hovers around 16°C (60°F), with a minimum drop to -2°C (30°F) and a peak of 33°C (92°F). Expect 166 mm (6.5 in) of precipitation spread over 16 days, contributing to an average humidity of 81%. Whether you're exploring the vibrant landscapes or cozying up indoors, this month offers a diverse climate experience!

May Temperature in Valparaiso

In May in Valparaiso, the average temperature is 16°C (60°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as -2°C (30°F). Travelers should be prepared for a wide range of weather conditions, from warm to chilly.

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

The chart illustrates May 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, May typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (30°F).

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

May Precipitation in Valparaiso

In Valparaiso in May, the total precipitation amount is 166 mm (6.5 in) spread over 16 days.

May Precipitation Trends in Valparaiso

The chart displays monthly precipitation patterns in Valparaiso, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Valparaiso, May typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Valparaiso

In Valparaiso in May, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

May Average Humidity in Valparaiso

This chart illustrates the average monthly humidity levels in Valparaiso, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Valparaiso is approximately 81%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Valparaiso

In Valparaiso in May, 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 Valparaiso.

Maximum UV Index Levels in Valparaiso for May

The chart shows the monthly maximum UV Index (UVI) for Valparaiso in May, 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 May, the maximum UV index in Valparaiso typically reaches 9, which falls under the very high exposure category.

Data source: Valparaiso May 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 May 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 May’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 May’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