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January Weather in Porto Martins, Portugal

Last updated: August 27, 2025

In Porto Martins, Portugal, the average temperature in January is a comfortable 16°C (61°F), with a minimum of 11°C (52°F) and a maximum of 19°C (66°F). Expect moderate rainfall, with an estimated 78 mm (3.1 in) over 11 days throughout the month. Humidity levels can be quite high, averaging around 84%, making it a moist and inviting time of year.

January Temperature in Porto Martins

In January in Porto Martins, the average temperature is 16°C (61°F). The maximum can reach 19°C (66°F), while the minimum can be as low as 11°C (52°F). This mild climate makes Porto Martins an ideal destination for travelers seeking pleasant weather during this time.

January Weather in Porto Martins: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Porto Martins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Martins, January typically has an average temperature of 16°C (61°F), with highs reaching up to 19°C (66°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec615959596265697271686462
Data source: Temperature data for Porto Martins 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.

January Precipitation in Porto Martins

In Porto Martins in January, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.

January Precipitation Trends in Porto Martins

The chart displays monthly precipitation patterns in Porto Martins, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Porto Martins, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec78785077513920454583106122
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Porto Martins

In Porto Martins in January, humidity is 84%. With an average temperature of 16°C (61°F), this humidity feels like a blanket of warmth, making travel slightly sticky but overall comfortable, as long as you stay hydrated and take breaks in the shade.

January Average Humidity in Porto Martins

This chart illustrates the average monthly humidity levels in Porto Martins, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Porto Martins is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%84%84%83%84%86%82%82%79%80%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Porto Martins

In Porto Martins in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Porto Martins, you can check the information here.

Maximum UV Index Levels in Porto Martins for January

The chart shows the monthly maximum UV Index (UVI) for Porto Martins in January, 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 January, the maximum UV index in Porto Martins typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Porto Martins January 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 January Weather in Porto Martins Compares to Other Months

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

This table compares monthly weather conditions in Porto Martins, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)78 mm (3.1 inches)84%moderate
February Weather15°C (59°F)78 mm (3.1 inches)83%moderate
March Weather15°C (59°F)49 mm (1.9 inches)84%high
April Weather15°C (60°F)77 mm (3.0 inches)84%very high
May Weather16°C (62°F)51 mm (2.0 inches)83%very high
June Weather18°C (66°F)39 mm (1.5 inches)84%extreme
July Weather21°C (70°F)20 mm (0.8 inches)86%very high
August Weather22°C (72°F)45 mm (1.8 inches)82%very high
September Weather22°C (71°F)45 mm (1.8 inches)82%very high
October Weather20°C (69°F)83 mm (3.3 inches)79%high
November Weather18°C (65°F)106 mm (4.2 inches)80%moderate
December Weather17°C (63°F)122 mm (4.8 inches)85%moderate

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