May Weather in South Williamson, United States

Last updated: June 24, 2025

In South Williamson, United States, the average temperature in May hovers around 19°C (66°F). Visitors can expect a minimum temperature of 1°C (34°F) and a maximum reaching up to 32°C (90°F). The area receives about 136 mm (5.4 in) of precipitation spread over 14 days, accompanied by a high average humidity of 83%. Perfect for those who enjoy a blend of warmth and mild showers!

May Temperature in South Williamson

In May in South Williamson, the average temperature is 19°C (66°F). Maximums can reach 32°C (90°F) and minimums can be as low as 1°C (34°F). This variation means that travelers should pack a range of clothing to accommodate both warm days and cooler nights.

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

The chart illustrates May 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, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in South Williamson

In South Williamson in May, the precipitation amount is 136 mm (5.4 in) over a span of 14 days.

May Precipitation Trends in South Williamson

The chart displays monthly precipitation patterns in South Williamson, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In South Williamson, May typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

May Humidity in South Williamson

In South Williamson in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in South Williamson

This chart illustrates the average monthly humidity levels in South Williamson, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in South Williamson is approximately 83%, offering insight into how humid the weather typically is during this month.

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

May UV Index in South Williamson

In South Williamson in May, 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 South Williamson.

Maximum UV Index Levels in South Williamson for May

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

Data source: South Williamson May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	101 mm (4.0 inches)	87%	moderate
February Weather	6°C (43°F)	170 mm (6.7 inches)	87%	high
March Weather	9°C (48°F)	129 mm (5.1 inches)	86%	high
April Weather	13°C (56°F)	133 mm (5.2 inches)	84%	very high
May Weather	19°C (66°F)	136 mm (5.4 inches)	83%	very high
June Weather	22°C (72°F)	158 mm (6.2 inches)	83%	very high
July Weather	25°C (76°F)	119 mm (4.7 inches)	79%	extreme
August Weather	23°C (74°F)	121 mm (4.8 inches)	66%	very high
September Weather	21°C (70°F)	107 mm (4.2 inches)	68%	very high
October Weather	16°C (61°F)	124 mm (4.9 inches)	78%	high
November Weather	8°C (46°F)	81 mm (3.2 inches)	89%	moderate
December Weather	5°C (42°F)	126 mm (4.9 inches)	86%	moderate