May Weather in Cot, Costa Rica

Last updated: August 23, 2025

In May, the average temperature in Cot, Costa Rica hovers around 20°C (67°F), with comfortable lows of 14°C (58°F) and highs reaching 28°C (82°F). Expect around 468 mm (18.4 in) of precipitation spread over 30 days, contributing to an average humidity of 69%, making it a potentially lush and vibrant time of year.

May Temperature in Cot

In May, in Cot, the average temperature is 20°C (67°F), with maximums reaching 28°C (82°F) and minimums dropping to 14°C (58°F). This mild weather makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates May temperature patterns in Cot, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cot, May typically has an average temperature of 20°C (67°F), with highs reaching up to 28°C (82°F) and lows dropping to around 14°C (58°F).

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

May Precipitation in Cot

In Cot in May, the total precipitation amount is 468 mm (18.4 in) over a period of 30 days.

May Precipitation Trends in Cot

The chart displays monthly precipitation patterns in Cot, 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 Cot, May typically receives around 468 mm (18.4 inches) of precipitation spread over approximately 30 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 Cot

In Cot in May humidity is 69%. With an average temperature of 20°C (67°F), this humidity feels like a warm, enveloping blanket that might leave travelers feeling sticky and slightly fatigued, making outdoor adventures a bit more challenging than usual.

May Average Humidity in Cot

This chart illustrates the average monthly humidity levels in Cot, 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 Cot is approximately 69%, 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 Cot

In Cot 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 Cot, you can check here.

Maximum UV Index Levels in Cot for May

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

Data source: Cot 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 Cot Compares to Other Months

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

This table compares monthly weather conditions in Cot, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	194 mm (7.6 inches)	68%	extreme
February Weather	17°C (63°F)	105 mm (4.1 inches)	68%	extreme
March Weather	17°C (63°F)	117 mm (4.6 inches)	66%	extreme
April Weather	19°C (66°F)	167 mm (6.6 inches)	67%	extreme
May Weather	20°C (67°F)	468 mm (18.4 inches)	69%	extreme
June Weather	20°C (68°F)	292 mm (11.5 inches)	84%	extreme
July Weather	19°C (67°F)	254 mm (10.0 inches)	85%	extreme
August Weather	19°C (67°F)	243 mm (9.5 inches)	82%	extreme
September Weather	19°C (67°F)	284 mm (11.2 inches)	81%	extreme
October Weather	19°C (67°F)	479 mm (18.9 inches)	80%	extreme
November Weather	19°C (66°F)	341 mm (13.4 inches)	80%	extreme
December Weather	18°C (64°F)	290 mm (11.4 inches)	72%	very high