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October Weather in Sao Joao, Portugal

Last updated: August 27, 2025

In October, the average temperature in Sao Joao, Portugal hovers around 16°C (62°F). Expect a range from a cool 4°C (40°F) at its lowest to a warm 34°C (93°F) at its peak. Be prepared for 113 mm (4.5 in) of precipitation over about 10 days, with an average humidity of 79% creating a pleasantly moist atmosphere.

October Temperature in Sao Joao

In October in Sao Joao, the average temperature is 16°C (62°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop as low as 4°C (40°F). Travelers should be prepared for a range of temperatures, making it advisable to pack both warm and light clothing.

October Weather in Sao Joao: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sao Joao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao, October typically has an average temperature of 16°C (62°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec485153576264696967615451
Data source: Temperature data for Sao Joao 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.

October Precipitation in Sao Joao

In Sao Joao in October, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

October Precipitation Trends in Sao Joao

The chart displays monthly precipitation patterns in Sao Joao, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sao Joao, October typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec881341411448052211846113161187
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sao Joao

In Sao Joao in October, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.

October Average Humidity in Sao Joao

This chart illustrates the average monthly humidity levels in Sao Joao, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sao Joao is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sao Joao

In Sao Joao in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sao Joao, you can refer to this Hourly UV Index in Sao Joao.

Maximum UV Index Levels in Sao Joao for October

The chart shows the monthly maximum UV Index (UVI) for Sao Joao in October, 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 October, the maximum UV index in Sao Joao typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Sao Joao October 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 October Weather in Sao Joao Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)88 mm (3.5 inches)87%low
February Weather11°C (52°F)134 mm (5.3 inches)81%moderate
March Weather12°C (54°F)141 mm (5.6 inches)78%high
April Weather14°C (57°F)144 mm (5.7 inches)79%very high
May Weather17°C (62°F)80 mm (3.1 inches)78%very high
June Weather18°C (65°F)52 mm (2.0 inches)71%extreme
July Weather20°C (69°F)21 mm (0.8 inches)63%very high
August Weather21°C (69°F)18 mm (0.7 inches)64%very high
September Weather20°C (68°F)46 mm (1.8 inches)71%very high
October Weather16°C (62°F)113 mm (4.5 inches)79%high
November Weather12°C (54°F)161 mm (6.4 inches)86%moderate
December Weather10°C (51°F)187 mm (7.3 inches)87%low

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