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April Weather in Altoona, United States

Last updated: June 24, 2025

In April, the average temperature in Altoona, United States hovers around 17°C (62°F). However, be prepared for a range of temperatures, with minimums dipping to 0°C (33°F) and maximums peaking at 30°C (87°F). Expect some rain during your stay, with average precipitation amounting to 157 mm (6.2 in) over 10 days. Don't forget, the air might feel quite humid, with an average humidity level of 82%.

April Temperature in Altoona

In April in Altoona, the average temperature is 17°C (62°F), with maximums reaching 30°C (87°F) and minimums dipping as low as 0°C (33°F). It's a great time to visit, as the weather is generally mild and comfortable, perfect for exploring the area.

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

The chart illustrates April temperature patterns in Altoona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altoona, April typically has an average temperature of 17°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627177807975665248
Data source: Temperature data for Altoona 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.

April Precipitation in Altoona

In Altoona in April, the total precipitation amount is 157 mm (6.2 in) over the course of 10 days.

April Precipitation Trends in Altoona

The chart displays monthly precipitation patterns in Altoona, 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 Altoona, April typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec12218416515710513411412010112880150
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Altoona

In Altoona in April, humidity is 82%. With an average temperature of 17°C (62°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air thicker, which can be quite exhausting for traveling.

April Average Humidity in Altoona

This chart illustrates the average monthly humidity levels in Altoona, 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 Altoona is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Altoona

In Altoona in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Altoona.

Maximum UV Index Levels in Altoona for April

The chart shows the monthly maximum UV Index (UVI) for Altoona 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 Altoona typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Altoona 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 Altoona Compares to Other Months

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

This table compares monthly weather conditions in Altoona, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)122 mm (4.8 inches)85%moderate
February Weather10°C (51°F)184 mm (7.2 inches)84%high
March Weather14°C (57°F)165 mm (6.5 inches)82%very high
April Weather17°C (62°F)157 mm (6.2 inches)82%very high
May Weather22°C (72°F)105 mm (4.1 inches)81%extreme
June Weather25°C (77°F)134 mm (5.3 inches)77%extreme
July Weather27°C (80°F)114 mm (4.5 inches)77%extreme
August Weather26°C (79°F)120 mm (4.7 inches)72%extreme
September Weather24°C (76°F)101 mm (4.0 inches)73%very high
October Weather19°C (66°F)128 mm (5.0 inches)73%high
November Weather11°C (52°F)80 mm (3.1 inches)85%high
December Weather9°C (48°F)150 mm (5.9 inches)88%moderate

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