April Weather in Harleyville, United States

Last updated: June 24, 2025

In Harleyville, United States, the average temperature in April is a pleasant 19°C (66°F). Expect a minimum temperature that can dip to 0°C (32°F) and enjoy sunny days with a maximum reaching 33°C (91°F). During this month, precipitation averages about 109 mm (4.3 in), typically spread over 8 days, while the air holds an average humidity of 79%.

April Temperature in Harleyville

In April in Harleyville, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (91°F), while the minimum can drop as low as 0°C (32°F). Be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates April temperature patterns in Harleyville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harleyville, April typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).

Data source: Temperature data for Harleyville generated using information from the Copernicus Climate Change Service.

April Precipitation in Harleyville

In Harleyville in April, the total precipitation amount is 109 mm (4.3 in) spread over 8 days.

April Precipitation Trends in Harleyville

The chart displays monthly precipitation patterns in Harleyville, 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 Harleyville, April typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Harleyville

In Harleyville in April humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

April Average Humidity in Harleyville

This chart illustrates the average monthly humidity levels in Harleyville, 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 Harleyville is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Harleyville

In Harleyville 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 Harleyville.

Maximum UV Index Levels in Harleyville for April

The chart shows the monthly maximum UV Index (UVI) for Harleyville 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 Harleyville typically reaches 10, which falls under the very high exposure category.

Data source: Harleyville 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 Harleyville Compares to Other Months

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

This table compares monthly weather conditions in Harleyville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	73 mm (2.9 inches)	86%	moderate
February Weather	13°C (56°F)	98 mm (3.9 inches)	81%	high
March Weather	15°C (59°F)	75 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	109 mm (4.3 inches)	79%	very high
May Weather	23°C (74°F)	96 mm (3.8 inches)	75%	extreme
June Weather	26°C (79°F)	122 mm (4.8 inches)	75%	extreme
July Weather	27°C (82°F)	166 mm (6.6 inches)	80%	extreme
August Weather	27°C (81°F)	144 mm (5.7 inches)	81%	extreme
September Weather	25°C (78°F)	117 mm (4.6 inches)	83%	very high
October Weather	21°C (70°F)	64 mm (2.5 inches)	78%	very high
November Weather	14°C (57°F)	66 mm (2.6 inches)	85%	high
December Weather	11°C (53°F)	135 mm (5.3 inches)	87%	moderate