May Weather in Walnut Grove, United States

Last updated: June 24, 2025

In May, the average temperature in Walnut Grove, United States hovers around 20°C (68°F). Expect a wide range, with minimums dipping to 6°C (43°F) and maximums soaring to 40°C (104°F). Precipitation is modest, totaling 17 mm (0.7 in) over the course of just 2 days, while humidity lingers at a comfortable 74%. Enjoy the varied climate!

May Temperature in Walnut Grove

In May in Walnut Grove, the average temperature is 20°C (68°F). Maximum temperatures can reach 40°C (104°F), while minimums can drop as low as 6°C (43°F). Be prepared for a wide range of temperatures when planning your travels!

May Weather in Walnut Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Walnut Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walnut Grove, May typically has an average temperature of 20°C (68°F), with highs reaching up to 40°C (104°F) and lows dropping to around 6°C (43°F).

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

May Precipitation in Walnut Grove

In Walnut Grove in May, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

May Precipitation Trends in Walnut Grove

The chart displays monthly precipitation patterns in Walnut Grove, 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 Walnut Grove, May typically receives around 17 mm (0.7 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 Walnut Grove

In Walnut Grove in May humidity is 74%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting, prompting travelers to seek shade and hydration more often.

May Average Humidity in Walnut Grove

This chart illustrates the average monthly humidity levels in Walnut Grove, 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 Walnut Grove is approximately 74%, 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 Walnut Grove

In Walnut Grove 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 Walnut Grove.

Maximum UV Index Levels in Walnut Grove for May

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

Data source: Walnut Grove 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 Walnut Grove Compares to Other Months

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

This table compares monthly weather conditions in Walnut Grove, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	116 mm (4.6 inches)	84%	moderate
February Weather	12°C (53°F)	100 mm (3.9 inches)	84%	moderate
March Weather	14°C (57°F)	83 mm (3.3 inches)	83%	high
April Weather	17°C (63°F)	39 mm (1.5 inches)	81%	very high
May Weather	20°C (68°F)	17 mm (0.7 inches)	74%	very high
June Weather	23°C (74°F)	2 mm (0.1 inches)	64%	extreme
July Weather	24°C (75°F)	0 mm (0.0 inches)	44%	extreme
August Weather	24°C (75°F)	0 mm (0.0 inches)	36%	very high
September Weather	23°C (73°F)	1 mm (0.0 inches)	44%	very high
October Weather	19°C (66°F)	36 mm (1.4 inches)	65%	high
November Weather	13°C (56°F)	46 mm (1.8 inches)	84%	moderate
December Weather	10°C (50°F)	95 mm (3.7 inches)	83%	moderate