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April Weather in Effingham, United States

Last updated: June 24, 2025

In April, the average temperature in Effingham, United States hovers around 12°C (54°F). Expect temperature extremes that can plunge to a chilling -8°C (18°F) or soar to a warm 31°C (88°F). The area receives an average of 81 mm (3.2 in) of precipitation spread over 9 days, contributing to a notable average humidity level of 73%.

April Temperature in Effingham

In April, in Effingham, the average temperature is 12°C (54°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Effingham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Effingham, April typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536577807671564336
Data source: Temperature data for Effingham 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 Effingham

In Effingham in April, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

April Precipitation Trends in Effingham

The chart displays monthly precipitation patterns in Effingham, 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 Effingham, April typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4031948121711276119841173832
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Effingham

In Effingham in April, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.

April Average Humidity in Effingham

This chart illustrates the average monthly humidity levels in Effingham, 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 Effingham is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Effingham

In Effingham 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 Effingham.

Maximum UV Index Levels in Effingham for April

The chart shows the monthly maximum UV Index (UVI) for Effingham 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 Effingham typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Effingham 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 Effingham Compares to Other Months

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

This table compares monthly weather conditions in Effingham, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)40 mm (1.6 inches)76%moderate
February Weather0°C (31°F)31 mm (1.2 inches)77%moderate
March Weather7°C (46°F)94 mm (3.7 inches)70%high
April Weather12°C (54°F)81 mm (3.2 inches)73%very high
May Weather18°C (65°F)217 mm (8.6 inches)82%very high
June Weather25°C (77°F)112 mm (4.4 inches)82%extreme
July Weather27°C (80°F)76 mm (3.0 inches)81%extreme
August Weather25°C (77°F)119 mm (4.7 inches)78%very high
September Weather22°C (72°F)83 mm (3.3 inches)71%very high
October Weather13°C (56°F)117 mm (4.6 inches)71%high
November Weather6°C (43°F)38 mm (1.5 inches)81%moderate
December Weather2°C (37°F)32 mm (1.2 inches)84%moderate

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