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April Weather in Simpsonville, United States

Last updated: June 24, 2025

In April, the average temperature in Simpsonville, United States hovers around 17°C (62°F). Prepare for a range of temperatures, where the minimum can dip to -2°C (29°F) and the maximum can rise to 30°C (86°F). Expect about 121 mm (4.8 in) of precipitation spread over 9 days, and be ready for a humid atmosphere with an average humidity of 82%.

April Temperature in Simpsonville

In April in Simpsonville, the average temperature is 17°C (62°F). Maximums can reach 30°C (86°F), while minimums can drop as low as -2°C (29°F). This variation in temperature makes Simpsonville an exciting destination for travelers looking to experience a diverse climate.

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

The chart illustrates April temperature patterns in Simpsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simpsonville, April typically has an average temperature of 17°C (62°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954627076807974655147
Data source: Temperature data for Simpsonville 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 Simpsonville

In Simpsonville in April, the precipitation amount is 121 mm (4.8 in) over the course of 9 days.

April Precipitation Trends in Simpsonville

The chart displays monthly precipitation patterns in Simpsonville, 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 Simpsonville, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec931331051211378910212813111795123
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Simpsonville

In Simpsonville in April, humidity is 82%. With an average temperature of 17°C (62°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air thicker, which can be quite exhausting for traveling.

April Average Humidity in Simpsonville

This chart illustrates the average monthly humidity levels in Simpsonville, 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 Simpsonville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Simpsonville

In Simpsonville in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Simpsonville.

Maximum UV Index Levels in Simpsonville for April

The chart shows the monthly maximum UV Index (UVI) for Simpsonville 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 Simpsonville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Simpsonville 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 Simpsonville Compares to Other Months

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

This table compares monthly weather conditions in Simpsonville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)93 mm (3.7 inches)86%moderate
February Weather10°C (50°F)133 mm (5.2 inches)85%high
March Weather12°C (55°F)105 mm (4.1 inches)84%very high
April Weather17°C (62°F)121 mm (4.8 inches)82%very high
May Weather21°C (71°F)137 mm (5.4 inches)83%extreme
June Weather25°C (77°F)89 mm (3.5 inches)82%extreme
July Weather27°C (80°F)102 mm (4.0 inches)80%extreme
August Weather26°C (79°F)128 mm (5.0 inches)74%very high
September Weather23°C (74°F)131 mm (5.2 inches)75%very high
October Weather18°C (65°F)117 mm (4.6 inches)79%very high
November Weather11°C (51°F)95 mm (3.7 inches)87%high
December Weather8°C (47°F)123 mm (4.8 inches)87%moderate

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