May Weather in Dillon, United States

Last updated: June 24, 2025

In Dillon, United States, the average temperature in May hovers around 23°C (73°F), making it a comfortable time to visit. However, temperatures can swing from a minimum of 5°C (42°F) to a sizzling maximum of 37°C (99°F). Visitors should also be prepared for 119 mm (4.7 in) of precipitation, typically spread over 10 days. With an average humidity of 81%, the air can feel quite damp, so pack accordingly!

May Temperature in Dillon

In May in Dillon, the average temperature is 23°C (73°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 5°C (42°F). Be prepared for a wide range of temperatures, so pack accordingly for your travels!

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

The chart illustrates May temperature patterns in Dillon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dillon, May typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (99°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Dillon

In Dillon in May, the total precipitation amount is 119 mm (4.7 in) over the span of 10 days.

May Precipitation Trends in Dillon

The chart displays monthly precipitation patterns in Dillon, 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 Dillon, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 10 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 Dillon

In Dillon in May, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

May Average Humidity in Dillon

This chart illustrates the average monthly humidity levels in Dillon, 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 Dillon is approximately 81%, 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 Dillon

In Dillon 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 Dillon.

Maximum UV Index Levels in Dillon for May

The chart shows the monthly maximum UV Index (UVI) for Dillon 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 Dillon typically reaches 11, which falls under the extreme exposure category.

Data source: Dillon 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 Dillon Compares to Other Months

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

This table compares monthly weather conditions in Dillon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	81 mm (3.2 inches)	85%	moderate
February Weather	11°C (53°F)	93 mm (3.7 inches)	82%	high
March Weather	13°C (56°F)	66 mm (2.6 inches)	81%	very high
April Weather	18°C (65°F)	97 mm (3.8 inches)	80%	very high
May Weather	23°C (73°F)	119 mm (4.7 inches)	81%	extreme
June Weather	25°C (78°F)	140 mm (5.5 inches)	81%	extreme
July Weather	27°C (81°F)	131 mm (5.2 inches)	81%	extreme
August Weather	27°C (80°F)	152 mm (6.0 inches)	80%	very high
September Weather	25°C (77°F)	159 mm (6.2 inches)	79%	very high
October Weather	20°C (68°F)	55 mm (2.2 inches)	80%	very high
November Weather	12°C (54°F)	84 mm (3.3 inches)	85%	high
December Weather	10°C (50°F)	125 mm (4.9 inches)	86%	moderate