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April Weather in La Salle, United States

Last updated: June 24, 2025

In April, the average temperature in La Salle, United States hovers around 10°C (50°F), with extremes ranging from a brisk -8°C (18°F) to a warm 29°C (85°F). Expect about 115 mm (4.5 in) of precipitation spread over 11 days, contributing to an average humidity of 85%.

April Temperature in La Salle

In April in La Salle, the average temperature is 10°C (50°F). The maximum can reach 29°C (85°F), while the minimum can dip as low as -8°C (18°F). This means travelers should be prepared for a wide range of temperatures, making it essential to pack layers for varying weather conditions.

April Weather in La Salle: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in La Salle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Salle, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec262841506373767369553933
Data source: Temperature data for La Salle 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 La Salle

In La Salle in April, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

April Precipitation Trends in La Salle

The chart displays monthly precipitation patterns in La Salle, 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 La Salle, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec60659311516014710478851325653
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in La Salle

In La Salle in April, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

April Average Humidity in La Salle

This chart illustrates the average monthly humidity levels in La Salle, 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 La Salle is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in La Salle

In La Salle 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 La Salle.

Maximum UV Index Levels in La Salle for April

The chart shows the monthly maximum UV Index (UVI) for La Salle 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 La Salle typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: La Salle 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 La Salle Compares to Other Months

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

This table compares monthly weather conditions in La Salle, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)60 mm (2.3 inches)82%moderate
February Weather-2°C (28°F)65 mm (2.5 inches)83%moderate
March Weather5°C (41°F)93 mm (3.7 inches)84%high
April Weather10°C (50°F)115 mm (4.5 inches)85%very high
May Weather17°C (63°F)160 mm (6.3 inches)79%very high
June Weather23°C (73°F)147 mm (5.8 inches)82%extreme
July Weather24°C (76°F)104 mm (4.1 inches)80%very high
August Weather23°C (74°F)78 mm (3.1 inches)81%very high
September Weather20°C (69°F)85 mm (3.3 inches)80%very high
October Weather13°C (55°F)132 mm (5.2 inches)82%high
November Weather4°C (40°F)56 mm (2.2 inches)88%moderate
December Weather1°C (34°F)53 mm (2.1 inches)84%low

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