April Weather in Alter do Chao, Portugal

Last updated: August 27, 2025

In Alter do Chao, Portugal, the average temperature in April hovers around 15°C (59°F). Residents can expect a range of temperatures, with lows of 3°C (38°F) and highs reaching up to 29°C (85°F). During this month, the area experiences an average precipitation of 84 mm (3.3 in) spread over 12 days, contributing to an average humidity of 70%. Stay prepared for a mix of cool and warm weather!

April Temperature in Alter do Chao

In April in Alter do Chao, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F) and minimums can be as low as 3°C (38°F). Be prepared for a range of weather, making it a great time for layered clothing and outdoor activities.

April Weather in Alter do Chao: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Alter do Chao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alter do Chao, April typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (38°F).

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

April Precipitation in Alter do Chao

In Alter do Chao in April, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

April Precipitation Trends in Alter do Chao

The chart displays monthly precipitation patterns in Alter do Chao, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Alter do Chao, April typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Alter do Chao

In Alter do Chao in April, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

April Average Humidity in Alter do Chao

This chart illustrates the average monthly humidity levels in Alter do Chao, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Alter do Chao is approximately 70%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Alter do Chao

In Alter do Chao in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Alter do Chao.

Maximum UV Index Levels in Alter do Chao for April

The chart shows the monthly maximum UV Index (UVI) for Alter do Chao in April, 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 April, the maximum UV index in Alter do Chao typically reaches 9, which falls under the very high exposure category.

Data source: Alter do Chao April 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 April Weather in Alter do Chao Compares to Other Months

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

This table compares monthly weather conditions in Alter do Chao, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	40 mm (1.6 inches)	85%	moderate
February Weather	11°C (53°F)	52 mm (2.0 inches)	75%	moderate
March Weather	13°C (55°F)	92 mm (3.6 inches)	72%	high
April Weather	15°C (59°F)	84 mm (3.3 inches)	70%	very high
May Weather	19°C (66°F)	37 mm (1.4 inches)	70%	very high
June Weather	21°C (70°F)	14 mm (0.6 inches)	63%	extreme
July Weather	24°C (75°F)	4 mm (0.2 inches)	60%	very high
August Weather	24°C (76°F)	5 mm (0.2 inches)	60%	very high
September Weather	22°C (73°F)	29 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	52 mm (2.1 inches)	74%	high
November Weather	13°C (55°F)	80 mm (3.2 inches)	83%	moderate
December Weather	11°C (52°F)	73 mm (2.9 inches)	85%	moderate