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May Weather in Walnut Grove, United States

Last updated: June 24, 2025

In Walnut Grove, United States, the average temperature in May hovers around 22°C (72°F), with a range that can dip to a cool 5°C (42°F) and peak at a warm 34°C (93°F). Expect about 111 mm (4.4 in) of precipitation spread over 10 days, contributing to an average humidity of 81%. Be prepared for varied weather as you explore this vibrant locale!

May Temperature in Walnut Grove

In May in Walnut Grove, the average temperature is 22°C (72°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 5°C (42°F). This variety in temperatures makes it essential for travelers to pack layers to accommodate both warm and cooler moments during their stay.

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 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec465156637177807975665349
Data source: Temperature data for Walnut Grove generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Walnut Grove

In Walnut Grove in May, the precipitation amount is 111 mm (4.4 in) over a span of 10 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 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10513811612111111711413111111880134
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Walnut Grove

In Walnut Grove in May, humidity is 81%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47910111111109864
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.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)105 mm (4.1 inches)86%moderate
February Weather11°C (52°F)138 mm (5.4 inches)84%high
March Weather14°C (57°F)116 mm (4.6 inches)83%very high
April Weather17°C (63°F)121 mm (4.8 inches)81%very high
May Weather22°C (72°F)111 mm (4.4 inches)81%extreme
June Weather25°C (77°F)117 mm (4.6 inches)81%extreme
July Weather26°C (80°F)114 mm (4.5 inches)83%extreme
August Weather26°C (79°F)131 mm (5.2 inches)81%very high
September Weather24°C (75°F)111 mm (4.4 inches)82%very high
October Weather19°C (66°F)118 mm (4.7 inches)78%very high
November Weather12°C (53°F)80 mm (3.2 inches)86%high
December Weather9°C (49°F)134 mm (5.3 inches)89%moderate

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