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April Weather in Jasper, United States

Last updated: June 24, 2025

In April, the average temperature in Jasper, United States hovers around 21°C (69°F), with fluctuations ranging from a chilly 2°C (35°F) to a warm 35°C (95°F). Visitors can expect about 75 mm (2.9 in) of precipitation over 7 days, accompanied by an average humidity of 76%.

April Temperature in Jasper

In April in Jasper, the average temperature is 21°C (69°F). Maximums can reach 35°C (95°F), while minimums can be as low as 2°C (35°F). This range makes it essential for travelers to pack both lightweight clothing for warm days and warmer layers for cooler evenings.

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

The chart illustrates April temperature patterns in Jasper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jasper, April typically has an average temperature of 21°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec546064697680818179746157
Data source: Temperature data for Jasper 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 Jasper

In Jasper in April, the precipitation amount is 75 mm (2.9 in) over a span of 7 days.

April Precipitation Trends in Jasper

The chart displays monthly precipitation patterns in Jasper, 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 Jasper, April typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec59804275721471561541245857117
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jasper

In Jasper in April, humidity is 76%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable and creating a sticky atmosphere that can sap your energy as you explore.

April Average Humidity in Jasper

This chart illustrates the average monthly humidity levels in Jasper, 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 Jasper is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Jasper

In Jasper 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 Jasper.

Maximum UV Index Levels in Jasper for April

The chart shows the monthly maximum UV Index (UVI) for Jasper 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 Jasper typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111121110865
Data source: Jasper 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 Jasper Compares to Other Months

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

This table compares monthly weather conditions in Jasper, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)59 mm (2.3 inches)85%moderate
February Weather16°C (60°F)80 mm (3.1 inches)82%very high
March Weather18°C (64°F)42 mm (1.6 inches)80%very high
April Weather21°C (69°F)75 mm (2.9 inches)76%very high
May Weather25°C (76°F)72 mm (2.8 inches)73%extreme
June Weather27°C (80°F)147 mm (5.8 inches)74%extreme
July Weather27°C (81°F)156 mm (6.2 inches)80%extreme
August Weather27°C (81°F)154 mm (6.0 inches)79%extreme
September Weather26°C (80°F)124 mm (4.9 inches)83%very high
October Weather23°C (74°F)58 mm (2.3 inches)77%very high
November Weather16°C (61°F)57 mm (2.3 inches)84%high
December Weather14°C (57°F)117 mm (4.6 inches)88%moderate

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