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April Weather in Lock Haven, United States

Last updated: June 24, 2025

In Lock Haven, United States during April, the average temperature hovers around 9°C (48°F), with fluctuations that can see the minimum drop to -5°C (23°F) and the maximum rise to a warm 27°C (80°F). Expect 107 mm (4.2 in) of precipitation over approximately 14 days, paired with a high average humidity of 88%. Stay prepared for a mix of chilly and mild conditions!

April Temperature in Lock Haven

In April in Lock Haven, the average temperature is 9°C (48°F). Maximums can reach 27°C (80°F), and minimums can drop as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling to Lock Haven during this time.

April Weather in Lock Haven: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Lock Haven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lock Haven, April typically has an average temperature of 9°C (48°F), with highs reaching up to 27°C (80°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec273037485967727164543933
Data source: Temperature data for Lock Haven 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 Lock Haven

In Lock Haven in April, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

April Precipitation Trends in Lock Haven

The chart displays monthly precipitation patterns in Lock Haven, 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 Lock Haven, April typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec72100861071361001391041161178691
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Lock Haven

In Lock Haven in April, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

April Average Humidity in Lock Haven

This chart illustrates the average monthly humidity levels in Lock Haven, 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 Lock Haven is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Lock Haven

In Lock Haven 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 Lock Haven.

Maximum UV Index Levels in Lock Haven for April

The chart shows the monthly maximum UV Index (UVI) for Lock Haven 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 Lock Haven typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Lock Haven 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 Lock Haven Compares to Other Months

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

This table compares monthly weather conditions in Lock Haven, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)72 mm (2.8 inches)89%moderate
February Weather-1°C (30°F)100 mm (3.9 inches)90%moderate
March Weather3°C (37°F)86 mm (3.4 inches)89%high
April Weather9°C (48°F)107 mm (4.2 inches)88%very high
May Weather15°C (59°F)136 mm (5.3 inches)80%very high
June Weather20°C (67°F)100 mm (3.9 inches)79%very high
July Weather22°C (73°F)139 mm (5.5 inches)74%very high
August Weather22°C (71°F)104 mm (4.1 inches)64%very high
September Weather18°C (64°F)116 mm (4.6 inches)67%very high
October Weather12°C (54°F)117 mm (4.6 inches)81%high
November Weather4°C (39°F)86 mm (3.4 inches)89%moderate
December Weather0°C (33°F)90 mm (3.6 inches)88%low

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