April Weather in Williamson, United States

Last updated: June 24, 2025

In Williamson, United States, the average temperature in April hovers around 14°C (58°F), providing a mild climate. Expect a minimum drop to -2°C (29°F) and a warm maximum of 31°C (89°F). During this month, precipitation averages 9 mm (0.4 in) over approximately 2 days, contributing to an average humidity level of 58%. Enjoy the varied weather as you explore!

April Temperature in Williamson

In April in Williamson, the average temperature is 14°C (58°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates April temperature patterns in Williamson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamson, April typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around -2°C (29°F).

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

April Precipitation in Williamson

In Williamson in April, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

April Precipitation Trends in Williamson

The chart displays monthly precipitation patterns in 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 Williamson, April typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Williamson

In Williamson in April humidity is 58%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, providing a pleasant contrast to the cooler air and making it a comfortable time for traveling and exploration.

April Average Humidity in Williamson

This chart illustrates the average monthly humidity levels in 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 Williamson is approximately 58%, 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 Williamson

In Williamson in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Williamson.

Maximum UV Index Levels in Williamson for April

The chart shows the monthly maximum UV Index (UVI) for 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 Williamson typically reaches 11, which falls under the extreme exposure category.

Data source: 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 Williamson Compares to Other Months

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

This table compares monthly weather conditions in Williamson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	36 mm (1.4 inches)	77%	moderate
February Weather	5°C (42°F)	38 mm (1.5 inches)	80%	high
March Weather	9°C (48°F)	46 mm (1.8 inches)	68%	very high
April Weather	14°C (58°F)	9 mm (0.4 inches)	58%	extreme
May Weather	18°C (66°F)	14 mm (0.6 inches)	45%	extreme
June Weather	25°C (77°F)	4 mm (0.2 inches)	31%	extreme
July Weather	26°C (80°F)	68 mm (2.7 inches)	27%	extreme
August Weather	26°C (78°F)	39 mm (1.5 inches)	30%	extreme
September Weather	23°C (73°F)	23 mm (0.9 inches)	48%	very high
October Weather	15°C (60°F)	25 mm (1.0 inches)	59%	very high
November Weather	10°C (50°F)	21 mm (0.8 inches)	70%	high
December Weather	5°C (41°F)	24 mm (1.0 inches)	77%	moderate