June Weather in Seia, Portugal

Last updated: August 27, 2025

The average temperature in Seia, Portugal during June is 18°C (65°F). Expect minimum temperatures to drop to 6°C (43°F), while it can soar to a maximum of 36°C (98°F). With an average precipitation of 39 mm (1.5 in) spread over 9 days, you can anticipate a fair bit of moisture. The average humidity hovers around 71%, adding a hint of stickiness to the warm days.

June Temperature in Seia

In June in Seia, the average temperature is 18°C (65°F). Maximums can reach 36°C (98°F) and minimums can be as low as 6°C (43°F). Travelers should be prepared for a range of temperatures, so it's advisable to pack both light clothing and warmer layers.

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

The chart illustrates June temperature patterns in Seia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seia, June typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (98°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Seia generated using information from the Copernicus Climate Change Service.

June Precipitation in Seia

In Seia in June, the precipitation amount is 39 mm (1.5 in) spread over 9 days.

June Precipitation Trends in Seia

The chart displays monthly precipitation patterns in Seia, 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 Seia, June typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Seia

In Seia in June humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

June Average Humidity in Seia

This chart illustrates the average monthly humidity levels in Seia, 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 Seia is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Seia

In Seia 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 Seia.

Maximum UV Index Levels in Seia for June

The chart shows the monthly maximum UV Index (UVI) for Seia 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 Seia typically reaches 11, which falls under the extreme exposure category.

Data source: Seia 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 Seia Compares to Other Months

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

This table compares monthly weather conditions in Seia, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	68 mm (2.7 inches)	87%	moderate
February Weather	9°C (48°F)	110 mm (4.3 inches)	81%	moderate
March Weather	10°C (50°F)	133 mm (5.2 inches)	78%	high
April Weather	12°C (54°F)	125 mm (4.9 inches)	79%	very high
May Weather	16°C (61°F)	56 mm (2.2 inches)	78%	very high
June Weather	18°C (65°F)	39 mm (1.5 inches)	71%	extreme
July Weather	21°C (70°F)	12 mm (0.5 inches)	63%	very high
August Weather	21°C (71°F)	17 mm (0.7 inches)	64%	very high
September Weather	19°C (67°F)	43 mm (1.7 inches)	71%	very high
October Weather	15°C (59°F)	94 mm (3.7 inches)	79%	high
November Weather	10°C (50°F)	132 mm (5.2 inches)	86%	moderate
December Weather	8°C (47°F)	136 mm (5.4 inches)	87%	moderate