May Weather in Rioja, Peru

Last updated: August 27, 2025

In Rioja, Peru, the average temperature in May hovers around 19°C (67°F). Expect pleasant days with a minimum of 11°C (53°F) and a maximum reaching 28°C (82°F). However, be prepared for some rain, as precipitation averages 159 mm (6.3 in) over 27 days, coupled with a high average humidity of 86%.

May Temperature in Rioja

In May in Rioja, the average temperature is 19°C (67°F), with maximums reaching 28°C (82°F) and minimums dipping down to 11°C (53°F). It’s a pleasant time to visit, perfect for outdoor activities and exploring the sights.

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

The chart illustrates May temperature patterns in Rioja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rioja, May typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (82°F) and lows dropping to around 11°C (53°F).

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

May Precipitation in Rioja

In Rioja in May, the total precipitation amount is 159 mm (6.3 in) spread over 27 days.

May Precipitation Trends in Rioja

The chart displays monthly precipitation patterns in Rioja, 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 Rioja, May typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 27 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Rioja

In Rioja in May humidity is 86%. With an average temperature of 19°C (67°F), this humidity feels like traveling through a thick, warm blanket, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.

May Average Humidity in Rioja

This chart illustrates the average monthly humidity levels in Rioja, 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 Rioja is approximately 86%, 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 Rioja

In Rioja in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Rioja, you can check here.

Maximum UV Index Levels in Rioja for May

The chart shows the monthly maximum UV Index (UVI) for Rioja 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 Rioja typically reaches 14, which falls under the extreme exposure category.

Data source: Rioja 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 Rioja Compares to Other Months

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

This table compares monthly weather conditions in Rioja, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (67°F)	230 mm (9.1 inches)	80%	extreme
February Weather	20°C (68°F)	197 mm (7.8 inches)	76%	extreme
March Weather	19°C (67°F)	255 mm (10.0 inches)	81%	extreme
April Weather	19°C (67°F)	207 mm (8.1 inches)	86%	extreme
May Weather	19°C (67°F)	159 mm (6.3 inches)	86%	extreme
June Weather	19°C (66°F)	104 mm (4.1 inches)	70%	extreme
July Weather	18°C (65°F)	80 mm (3.1 inches)	47%	extreme
August Weather	19°C (66°F)	51 mm (2.0 inches)	37%	extreme
September Weather	19°C (67°F)	63 mm (2.5 inches)	42%	extreme
October Weather	20°C (68°F)	161 mm (6.3 inches)	62%	extreme
November Weather	20°C (68°F)	231 mm (9.1 inches)	76%	extreme
December Weather	20°C (68°F)	196 mm (7.7 inches)	89%	extreme