May Weather in South Valley, United States

Last updated: June 24, 2025

In South Valley, United States, the average temperature in May hovers around 20°C (68°F), with a minimum dipping to 1°C (33°F) and a maximum soaring to 33°C (92°F). Expect a modest precipitation amount of 8 mm (0.3 in) over just 2 days, coupled with an average humidity level of 57%. Enjoy the varying weather and plan your activities accordingly!

May Temperature in South Valley

In May in South Valley, the average temperature is 20°C (68°F), with a maximum that can reach 33°C (92°F) and a minimum that can be as low as 1°C (33°F). Pack accordingly to enjoy your travels, as this month offers a wide range of temperatures.

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

The chart illustrates May temperature patterns in South Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Valley, May typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in South Valley

In South Valley in May, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

May Precipitation Trends in South Valley

The chart displays monthly precipitation patterns in South Valley, 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 Valley, May typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Valley

In South Valley in May humidity is 57%. With an average temperature of 20°C (68°F), this humidity feels like a pleasantly mild and comfortable climate for traveling, making outdoor exploration enjoyable without the discomfort of excessive heat or stickiness.

May Average Humidity in South Valley

This chart illustrates the average monthly humidity levels in South Valley, 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 Valley is approximately 57%, 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 Valley

In South Valley in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in South Valley.

Maximum UV Index Levels in South Valley for May

The chart shows the monthly maximum UV Index (UVI) for South Valley 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 Valley typically reaches 12, which falls under the extreme exposure category.

Data source: South Valley 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 Valley Compares to Other Months

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

This table compares monthly weather conditions in South Valley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	16 mm (0.6 inches)	78%	moderate
February Weather	5°C (41°F)	17 mm (0.7 inches)	79%	high
March Weather	10°C (50°F)	13 mm (0.5 inches)	66%	very high
April Weather	15°C (59°F)	14 mm (0.6 inches)	60%	extreme
May Weather	20°C (68°F)	8 mm (0.3 inches)	57%	extreme
June Weather	25°C (78°F)	10 mm (0.4 inches)	55%	extreme
July Weather	26°C (80°F)	24 mm (0.9 inches)	56%	extreme
August Weather	26°C (78°F)	11 mm (0.4 inches)	65%	extreme
September Weather	22°C (72°F)	24 mm (0.9 inches)	72%	extreme
October Weather	14°C (58°F)	24 mm (1.0 inches)	78%	very high
November Weather	8°C (47°F)	14 mm (0.6 inches)	81%	moderate
December Weather	3°C (38°F)	11 mm (0.4 inches)	79%	moderate