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April Weather in Louisiana, United States

Last updated: June 24, 2025

In April, the average temperature in Louisiana, United States hovers around 12°C (54°F). Expect a wide range, with lows dropping to -8°C (18°F) and highs soaring to 30°C (86°F). This month typically brings about 115 mm (4.5 in) of rainfall spread over 10 days, contributing to a notable average humidity of 80%.

April Temperature in Louisiana

In April in Louisiana, the average temperature is 12°C (54°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -8°C (18°F). Be prepared for varying weather conditions to make the most of your travel experience.

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

The chart illustrates April temperature patterns in Louisiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisiana, April typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec303345536675797571574337
Data source: Temperature data for Louisiana 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 Louisiana

In Louisiana in April, the precipitation amount is 115 mm (4.5 in) over a span of 10 days.

April Precipitation Trends in Louisiana

The chart displays monthly precipitation patterns in Louisiana, 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 Louisiana, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6763133115168115111112761036548
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Louisiana

In Louisiana in April, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

April Average Humidity in Louisiana

This chart illustrates the average monthly humidity levels in Louisiana, 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 Louisiana is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Louisiana

In Louisiana 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 Louisiana.

Maximum UV Index Levels in Louisiana for April

The chart shows the monthly maximum UV Index (UVI) for Louisiana 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 Louisiana typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Louisiana 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 Louisiana Compares to Other Months

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

This table compares monthly weather conditions in Louisiana, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)67 mm (2.6 inches)82%moderate
February Weather0°C (33°F)63 mm (2.5 inches)80%moderate
March Weather7°C (45°F)133 mm (5.2 inches)80%high
April Weather12°C (54°F)115 mm (4.5 inches)80%very high
May Weather19°C (66°F)168 mm (6.6 inches)82%very high
June Weather24°C (76°F)115 mm (4.5 inches)83%extreme
July Weather26°C (79°F)111 mm (4.4 inches)81%extreme
August Weather24°C (75°F)112 mm (4.4 inches)80%very high
September Weather22°C (71°F)76 mm (3.0 inches)76%very high
October Weather14°C (58°F)103 mm (4.0 inches)76%high
November Weather6°C (43°F)65 mm (2.6 inches)85%moderate
December Weather3°C (37°F)48 mm (1.9 inches)86%moderate

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