May Weather in Sao Teotonio, Portugal

Last updated: August 27, 2025

In May, the average temperature in Sao Teotonio, Portugal is a pleasant 18°C (65°F). Expect a minimum of 9°C (48°F) and a maximum of 32°C (90°F), providing a lovely range for outdoor activities. Additionally, anticipate about 25 mm (1.0 in) of precipitation over 4 days, accompanied by a comfortable average humidity of 69%.

May Temperature in Sao Teotonio

In May in Sao Teotonio, the average temperature is 18°C (65°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 9°C (48°F). This makes Sao Teotonio an ideal destination for travelers seeking pleasant weather and the opportunity to enjoy outdoor activities during this time.

May Weather in Sao Teotonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Teotonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Teotonio, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec525557596467707170665955
Data source: Temperature data for Sao Teotonio 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 Sao Teotonio

In Sao Teotonio in May, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.

May Precipitation Trends in Sao Teotonio

The chart displays monthly precipitation patterns in Sao Teotonio, 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 Sao Teotonio, May typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec28508365259329375750
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Teotonio

In Sao Teotonio in May humidity is 69%. With an average temperature of 18°C (65°F), this humidity feels like a warm, damp blanket around you, making travel less comfortable and causing you to feel sticky and fatigued more quickly.

May Average Humidity in Sao Teotonio

This chart illustrates the average monthly humidity levels in Sao Teotonio, 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 Sao Teotonio is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Teotonio

In Sao Teotonio in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sao Teotonio.

Maximum UV Index Levels in Sao Teotonio for May

The chart shows the monthly maximum UV Index (UVI) for Sao Teotonio 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 Sao Teotonio typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109743
Data source: Sao Teotonio 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 Sao Teotonio Compares to Other Months

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

This table compares monthly weather conditions in Sao Teotonio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)28 mm (1.1 inches)80%moderate
February Weather13°C (55°F)50 mm (2.0 inches)73%moderate
March Weather14°C (57°F)83 mm (3.3 inches)71%high
April Weather15°C (59°F)65 mm (2.5 inches)69%very high
May Weather18°C (65°F)25 mm (1.0 inches)69%very high
June Weather19°C (67°F)9 mm (0.4 inches)67%extreme
July Weather21°C (70°F)3 mm (0.1 inches)69%very high
August Weather22°C (71°F)2 mm (0.1 inches)68%very high
September Weather21°C (70°F)9 mm (0.4 inches)71%very high
October Weather19°C (66°F)37 mm (1.4 inches)75%high
November Weather15°C (59°F)57 mm (2.2 inches)78%moderate
December Weather13°C (55°F)50 mm (2.0 inches)81%moderate

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