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June Weather in Custoias, Portugal

Last updated: August 27, 2025

In June, the average temperature in Custoias, Portugal is a pleasant 19°C (67°F). However, you can expect a range, with minimums dipping to 6°C (42°F) and maximums soaring up to 37°C (99°F). During this month, the area receives around 33 mm (1.3 in) of precipitation spread over 7 days, contributing to an average humidity level of 64%.

June Temperature in Custoias

In June in Custoias, the average temperature is 19°C (67°F). Maximum temperatures can reach up to 37°C (99°F), while minimums can drop as low as 6°C (42°F). This range of temperatures makes Custoias an ideal destination for travelers looking to enjoy mild weather alongside warmer days and cooler nights.

June Weather in Custoias: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Custoias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Custoias, June typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec424750546267727266594946
Data source: Temperature data for Custoias 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.

June Precipitation in Custoias

In Custoias in June, the precipitation amount is 33 mm (1.3 in) over a period of 7 days.

June Precipitation Trends in Custoias

The chart displays monthly precipitation patterns in Custoias, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Custoias, June typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec285964702933141031506570
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Custoias

In Custoias in June, humidity is 64%. With an average temperature of 19°C (67°F), this humidity feels like a warm, sultry embrace, perfect for leisurely strolls and exploring local sights, though travelers should stay hydrated and take breaks in shaded areas to fully enjoy the vibrant atmosphere.

June Average Humidity in Custoias

This chart illustrates the average monthly humidity levels in Custoias, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Custoias is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%79%77%76%64%54%52%63%78%90%91%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Custoias

In Custoias in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Custoias.

Maximum UV Index Levels in Custoias for June

The chart shows the monthly maximum UV Index (UVI) for Custoias in June, 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 June, the maximum UV index in Custoias typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34699111098642
Data source: Custoias June 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 June Weather in Custoias Compares to Other Months

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

This table compares monthly weather conditions in Custoias, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)28 mm (1.1 inches)91%moderate
February Weather9°C (48°F)59 mm (2.3 inches)85%moderate
March Weather10°C (50°F)64 mm (2.5 inches)79%high
April Weather12°C (55°F)70 mm (2.7 inches)77%very high
May Weather17°C (62°F)29 mm (1.2 inches)76%very high
June Weather19°C (67°F)33 mm (1.3 inches)64%extreme
July Weather22°C (72°F)14 mm (0.6 inches)54%very high
August Weather22°C (72°F)10 mm (0.4 inches)52%very high
September Weather19°C (67°F)31 mm (1.2 inches)63%very high
October Weather15°C (59°F)50 mm (2.0 inches)78%high
November Weather10°C (50°F)65 mm (2.6 inches)90%moderate
December Weather8°C (46°F)70 mm (2.8 inches)91%low

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