April Weather in Alto, United States

Last updated: June 24, 2025

In Alto, United States, the average temperature in April is a brisk 7°C (44°F). Prepare for a range of weather, with minimums dipping to -13°C (9°F) and maximums reaching a pleasant 26°C (78°F). Expect around 99 mm (3.9 in) of precipitation over 12 days, coupled with an average humidity of 85%. Dress accordingly to stay comfortable in this dynamic climate!

April Temperature in Alto

In April in Alto, the average temperature is 7°C (44°F), with maximums reaching up to 26°C (78°F) and minimums dipping as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures during this time.

April Weather in Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto, April typically has an average temperature of 7°C (44°F), with highs reaching up to 26°C (78°F) and lows dropping to around -13°C (9°F).

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

April Precipitation in Alto

In Alto in April, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.

April Precipitation Trends in Alto

The chart displays monthly precipitation patterns in Alto, 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 Alto, April typically receives around 99 mm (3.9 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 Alto

In Alto in April, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

April Average Humidity in Alto

This chart illustrates the average monthly humidity levels in Alto, 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 Alto is approximately 85%, 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 Alto

In Alto in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Alto.

Maximum UV Index Levels in Alto for April

The chart shows the monthly maximum UV Index (UVI) for Alto 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 Alto typically reaches 8, which falls under the very high exposure category.

Data source: Alto 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 Alto Compares to Other Months

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

This table compares monthly weather conditions in Alto, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	46 mm (1.8 inches)	85%	moderate
February Weather	-6°C (21°F)	48 mm (1.9 inches)	85%	moderate
March Weather	1°C (34°F)	59 mm (2.3 inches)	85%	moderate
April Weather	7°C (44°F)	99 mm (3.9 inches)	85%	very high
May Weather	14°C (58°F)	116 mm (4.6 inches)	78%	very high
June Weather	21°C (69°F)	105 mm (4.1 inches)	80%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	78%	very high
August Weather	21°C (71°F)	98 mm (3.9 inches)	76%	very high
September Weather	18°C (64°F)	85 mm (3.3 inches)	79%	high
October Weather	10°C (51°F)	105 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	46 mm (1.8 inches)	88%	moderate
December Weather	-2°C (28°F)	47 mm (1.9 inches)	81%	low