nomadseason

April Weather in South Williamson, United States

Last updated: June 24, 2025

In South Williamson, United States, the average temperature in April hovers around 13°C (56°F), showcasing a striking range where the minimum can dip to -4°C (26°F) and the maximum can soar to 31°C (88°F). During this month, you can expect 133 mm (5.2 in) of precipitation spread over approximately 13 days, along with a high average humidity of 84%. Prepare accordingly!

April Temperature in South Williamson

In April in South Williamson, the average temperature is 13°C (56°F). The maximum can reach 31°C (88°F), and the minimum can be as low as -4°C (26°F). Overall, this weather offers a diverse range of temperatures, making it important for travelers to pack accordingly for both warm and chilly conditions.

April Weather in South Williamson: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in South Williamson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Williamson, April typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec374248566672767470604642
Data source: Temperature data for South Williamson generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in South Williamson

In South Williamson in April, the total precipitation amount is 133 mm (5.2 in) spread over 13 days.

April Precipitation Trends in South Williamson

The chart displays monthly precipitation patterns in South Williamson, 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 South Williamson, April typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10217012913313615811912110712481126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in South Williamson

In South Williamson in April, humidity is 84%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel cooler and more uncomfortable for traveling, as the air clings to your skin and weighs you down with a sense of heaviness.

April Average Humidity in South Williamson

This chart illustrates the average monthly humidity levels in South Williamson, 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 South Williamson is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in South Williamson

In South Williamson 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 South Williamson.

Maximum UV Index Levels in South Williamson for April

The chart shows the monthly maximum UV Index (UVI) for South Williamson 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 South Williamson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101011109753
Data source: South Williamson 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 South Williamson Compares to Other Months

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

This table compares monthly weather conditions in South Williamson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)101 mm (4.0 inches)87%moderate
February Weather6°C (43°F)170 mm (6.7 inches)87%high
March Weather9°C (48°F)129 mm (5.1 inches)86%high
April Weather13°C (56°F)133 mm (5.2 inches)84%very high
May Weather19°C (66°F)136 mm (5.4 inches)83%very high
June Weather22°C (72°F)158 mm (6.2 inches)83%very high
July Weather25°C (76°F)119 mm (4.7 inches)79%extreme
August Weather23°C (74°F)121 mm (4.8 inches)66%very high
September Weather21°C (70°F)107 mm (4.2 inches)68%very high
October Weather16°C (61°F)124 mm (4.9 inches)78%high
November Weather8°C (46°F)81 mm (3.2 inches)89%moderate
December Weather5°C (42°F)126 mm (4.9 inches)86%moderate

Compare South Williamson's Climate with Cities Worldwide