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April Weather in Saint Elmo, United States

Last updated: June 24, 2025

In Saint Elmo, United States, the average temperature in April hovers around 13°C (55°F), with a notable minimum of -4°C (25°F) and a peak maximum of 29°C (85°F). Expect 126 mm (5.0 in) of precipitation spread over 11 days, contributing to a relatively high average humidity of 83%.

April Temperature in Saint Elmo

In April in Saint Elmo, the average temperature is 13°C (55°F). Maximums can reach 29°C (85°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Saint Elmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Elmo, April typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546556776797672594338
Data source: Temperature data for Saint Elmo 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 Elmo

In Saint Elmo in April, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.

April Precipitation Trends in Saint Elmo

The chart displays monthly precipitation patterns in Saint Elmo, 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 Elmo, April typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec828613412615310799105651168875
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint Elmo

In Saint Elmo in April humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.

April Average Humidity in Saint Elmo

This chart illustrates the average monthly humidity levels in Saint Elmo, 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 Elmo is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Elmo

In Saint Elmo 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 Saint Elmo.

Maximum UV Index Levels in Saint Elmo for April

The chart shows the monthly maximum UV Index (UVI) for Saint Elmo 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 Elmo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111098643
Data source: Saint Elmo 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 Elmo Compares to Other Months

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

This table compares monthly weather conditions in Saint Elmo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)82 mm (3.2 inches)84%moderate
February Weather2°C (35°F)86 mm (3.4 inches)82%moderate
March Weather8°C (46°F)134 mm (5.3 inches)84%high
April Weather13°C (55°F)126 mm (5.0 inches)83%very high
May Weather20°C (67°F)153 mm (6.0 inches)80%extreme
June Weather25°C (77°F)107 mm (4.2 inches)83%extreme
July Weather26°C (79°F)99 mm (3.9 inches)82%very high
August Weather24°C (76°F)105 mm (4.2 inches)82%very high
September Weather22°C (72°F)65 mm (2.6 inches)79%very high
October Weather15°C (59°F)116 mm (4.5 inches)79%high
November Weather6°C (43°F)88 mm (3.5 inches)88%moderate
December Weather3°C (38°F)75 mm (2.9 inches)87%moderate

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