May Weather in Plains, United States

Last updated: June 24, 2025

In May, the average temperature in Plains, United States hovers around 22°C (72°F). Expect a range where the minimum dips to 2°C (36°F) and the maximum can soar to 40°C (104°F). With an average humidity of 67%, prepare for a refreshing atmosphere. Don't forget your umbrella, as 41 mm (1.6 in) of precipitation may fall over 6 days during the month!

May Temperature in Plains

In May in Plains, the average temperature is 22°C (72°F). The maximum can reach 40°C (104°F), and the minimum can be as low as 2°C (36°F). This means travelers should be prepared for a wide range of temperatures and pack accordingly.

May Weather in Plains: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Plains, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plains, May typically has an average temperature of 22°C (72°F), with highs reaching up to 40°C (104°F) and lows dropping to around 2°C (36°F).

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

May Precipitation in Plains

In Plains in May, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

May Precipitation Trends in Plains

The chart displays monthly precipitation patterns in Plains, 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 Plains, May typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 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 Plains

In Plains in May humidity is 67%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, creating a tropical ambiance that can be both refreshing and slightly stifling for traveling.

May Average Humidity in Plains

This chart illustrates the average monthly humidity levels in Plains, 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 Plains is approximately 67%, 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 Plains

In Plains 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 Plains.

Maximum UV Index Levels in Plains for May

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

Data source: Plains 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 Plains Compares to Other Months

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

This table compares monthly weather conditions in Plains, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	18 mm (0.7 inches)	75%	moderate
February Weather	7°C (45°F)	11 mm (0.4 inches)	74%	high
March Weather	13°C (55°F)	34 mm (1.3 inches)	61%	very high
April Weather	17°C (62°F)	17 mm (0.7 inches)	61%	extreme
May Weather	22°C (72°F)	41 mm (1.6 inches)	67%	extreme
June Weather	26°C (79°F)	46 mm (1.8 inches)	69%	extreme
July Weather	27°C (81°F)	24 mm (0.9 inches)	69%	extreme
August Weather	27°C (80°F)	39 mm (1.5 inches)	66%	extreme
September Weather	23°C (74°F)	44 mm (1.7 inches)	71%	very high
October Weather	16°C (62°F)	46 mm (1.8 inches)	71%	very high
November Weather	11°C (51°F)	18 mm (0.7 inches)	82%	high
December Weather	7°C (45°F)	11 mm (0.4 inches)	80%	moderate