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April Weather in Saint Joseph, United States

Last updated: June 24, 2025

In April, the average temperature in Saint Joseph, United States hovers around 5°C (42°F). During this time, temperatures can dip as low as -17°C (2°F) and soar to a comfortable 28°C (82°F). Expect about 81 mm (3.2 in) of rainfall over approximately 10 days, with an average humidity level of 84%, creating a notably crisp and damp atmosphere.

April Temperature in Saint Joseph

In April in Saint Joseph, the average temperature is 5°C (42°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -17°C (2°F). Travelers should be prepared for a wide range of weather conditions, from chilly days to unusually warm spells.

April Weather in Saint Joseph: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Saint Joseph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Joseph, April typically has an average temperature of 5°C (42°F), with highs reaching up to 28°C (82°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec141531415871737063463121
Data source: Temperature data for Saint Joseph 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 Saint Joseph

In Saint Joseph in April, the precipitation amount is 81 mm (3.2 in) over a span of 10 days.

April Precipitation Trends in Saint Joseph

The chart displays monthly precipitation patterns in Saint Joseph, 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 Saint Joseph, April typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec192450819569981431151033045
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint Joseph

In Saint Joseph in April, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

April Average Humidity in Saint Joseph

This chart illustrates the average monthly humidity levels in Saint Joseph, 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 Saint Joseph is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Joseph

In Saint Joseph in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Saint Joseph.

Maximum UV Index Levels in Saint Joseph for April

The chart shows the monthly maximum UV Index (UVI) for Saint Joseph 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 Saint Joseph typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Saint Joseph 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 Saint Joseph Compares to Other Months

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

This table compares monthly weather conditions in Saint Joseph, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)19 mm (0.8 inches)87%low
February Weather-10°C (15°F)24 mm (1.0 inches)90%moderate
March Weather0°C (31°F)50 mm (2.0 inches)85%moderate
April Weather5°C (42°F)81 mm (3.2 inches)84%high
May Weather14°C (58°F)95 mm (3.7 inches)78%very high
June Weather21°C (71°F)69 mm (2.7 inches)80%very high
July Weather23°C (74°F)98 mm (3.9 inches)81%very high
August Weather21°C (70°F)143 mm (5.6 inches)81%very high
September Weather17°C (63°F)115 mm (4.5 inches)81%high
October Weather8°C (47°F)103 mm (4.1 inches)84%moderate
November Weather0°C (32°F)29 mm (1.2 inches)88%moderate
December Weather-6°C (22°F)45 mm (1.8 inches)84%low

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