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May Weather in Portoviejo, Ecuador

Last updated: August 23, 2025

In May, the average temperature in Portoviejo, Ecuador hovers around 26°C (79°F). Expect a minimum of 21°C (70°F) and a maximum that can reach up to 33°C (92°F). During this month, precipitation typically totals 72 mm (2.8 in) spread across 13 days, accompanied by an average humidity level of 89%.

May Temperature in Portoviejo

In May, in Portoviejo, the average temperature is 26°C (79°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 21°C (70°F). This pleasant climate makes Portoviejo an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates May temperature patterns in Portoviejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portoviejo, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980807978777676767778
Data source: Temperature data for Portoviejo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Portoviejo

In Portoviejo in May, the precipitation amount is 72 mm (2.8 in) over a period of 13 days.

May Precipitation Trends in Portoviejo

The chart displays monthly precipitation patterns in Portoviejo, 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 Portoviejo, May typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec981902331157221889141052
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portoviejo

In Portoviejo in May, humidity is 89%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it feel much hotter and more exhausting for traveling, as every step seems to weigh you down in the muggy air.

May Average Humidity in Portoviejo

This chart illustrates the average monthly humidity levels in Portoviejo, 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 Portoviejo is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%90%89%89%90%89%87%89%90%90%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portoviejo

In Portoviejo in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Portoviejo.

Maximum UV Index Levels in Portoviejo for May

The chart shows the monthly maximum UV Index (UVI) for Portoviejo 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 Portoviejo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131211
Data source: Portoviejo 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 Portoviejo Compares to Other Months

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

This table compares monthly weather conditions in Portoviejo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)98 mm (3.9 inches)91%extreme
February Weather26°C (80°F)190 mm (7.5 inches)90%extreme
March Weather26°C (80°F)233 mm (9.2 inches)90%extreme
April Weather27°C (80°F)115 mm (4.5 inches)89%extreme
May Weather26°C (79°F)72 mm (2.8 inches)89%extreme
June Weather25°C (78°F)21 mm (0.8 inches)90%extreme
July Weather25°C (77°F)8 mm (0.3 inches)89%extreme
August Weather24°C (76°F)8 mm (0.3 inches)87%extreme
September Weather25°C (76°F)9 mm (0.3 inches)89%extreme
October Weather25°C (76°F)14 mm (0.5 inches)90%extreme
November Weather25°C (77°F)10 mm (0.4 inches)90%extreme
December Weather26°C (78°F)52 mm (2.0 inches)90%extreme

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