May Weather in Upala, Costa Rica

Last updated: August 23, 2025

In May, the average temperature in Upala, Costa Rica hovers around 26°C (79°F), with a range that dips to a minimum of 23°C (74°F) and peaks at 31°C (87°F). Expect 277 mm (10.9 in) of precipitation over approximately 29 days, contributing to an average humidity level of 63%. Embrace the tropical ambiance while staying prepared for the frequent showers!

May Temperature in Upala

In May in Upala, the average temperature is 26°C (79°F). Maximums can reach 31°C (87°F), while minimums can drop to as low as 23°C (74°F). This pleasant climate makes Upala an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates May temperature patterns in Upala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upala, May typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (87°F) and lows dropping to around 23°C (74°F).

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

May Precipitation in Upala

In Upala in May, the total precipitation amount is 277 mm (10.9 in) spread over a duration of 29 days.

May Precipitation Trends in Upala

The chart displays monthly precipitation patterns in Upala, 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 Upala, May typically receives around 277 mm (10.9 inches) of precipitation spread over approximately 29 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 Upala

In Upala in May humidity is 63%. With average temperature 26°C (79°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls or exploring local attractions, though be prepared for a slight stickiness that may prompt you to seek shade or refreshing beverages along the way.

May Average Humidity in Upala

This chart illustrates the average monthly humidity levels in Upala, 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 Upala is approximately 63%, 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 Upala

In Upala 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 Upala, you can check here.

Maximum UV Index Levels in Upala for May

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

Data source: Upala 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 Upala Compares to Other Months

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

This table compares monthly weather conditions in Upala, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	191 mm (7.5 inches)	66%	extreme
February Weather	25°C (76°F)	117 mm (4.6 inches)	64%	extreme
March Weather	25°C (77°F)	132 mm (5.2 inches)	63%	extreme
April Weather	26°C (79°F)	85 mm (3.4 inches)	63%	extreme
May Weather	26°C (79°F)	277 mm (10.9 inches)	63%	extreme
June Weather	26°C (79°F)	326 mm (12.8 inches)	74%	extreme
July Weather	25°C (78°F)	331 mm (13.0 inches)	85%	extreme
August Weather	26°C (78°F)	301 mm (11.8 inches)	82%	extreme
September Weather	26°C (79°F)	263 mm (10.4 inches)	80%	extreme
October Weather	26°C (78°F)	356 mm (14.0 inches)	79%	extreme
November Weather	25°C (78°F)	339 mm (13.3 inches)	79%	extreme
December Weather	25°C (76°F)	276 mm (10.9 inches)	70%	very high