May Weather in Hartington, United States

Last updated: June 24, 2025

In May, the average temperature in Hartington, United States is a pleasant 15°C (60°F). However, be prepared for a range of temperatures, with minimums dipping to 0°C (32°F) and soaring up to 35°C (94°F). During this month, expect about 157 mm (6.2 in) of precipitation spread over 15 days, contributing to an average humidity level of 74%.

May Temperature in Hartington

In May in Hartington, the average temperature is 15°C (60°F). Maximums can reach 35°C (94°F), and minimums can be as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates May temperature patterns in Hartington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartington, May typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (94°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Hartington

In Hartington in May, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.

May Precipitation Trends in Hartington

The chart displays monthly precipitation patterns in Hartington, 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 Hartington, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 15 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 Hartington

In Hartington in May humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

May Average Humidity in Hartington

This chart illustrates the average monthly humidity levels in Hartington, 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 Hartington 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 Hartington

In Hartington in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hartington.

Maximum UV Index Levels in Hartington for May

The chart shows the monthly maximum UV Index (UVI) for Hartington 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 Hartington typically reaches 9, which falls under the very high exposure category.

Data source: Hartington 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 Hartington Compares to Other Months

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

This table compares monthly weather conditions in Hartington, 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 (23°F)	27 mm (1.1 inches)	80%	moderate
February Weather	-5°C (23°F)	26 mm (1.0 inches)	84%	moderate
March Weather	3°C (38°F)	82 mm (3.2 inches)	75%	high
April Weather	8°C (47°F)	84 mm (3.3 inches)	79%	very high
May Weather	15°C (60°F)	157 mm (6.2 inches)	74%	very high
June Weather	23°C (74°F)	96 mm (3.8 inches)	81%	extreme
July Weather	25°C (76°F)	87 mm (3.4 inches)	82%	very high
August Weather	23°C (73°F)	101 mm (4.0 inches)	80%	very high
September Weather	19°C (67°F)	81 mm (3.2 inches)	75%	very high
October Weather	10°C (50°F)	80 mm (3.2 inches)	77%	high
November Weather	3°C (38°F)	23 mm (0.9 inches)	85%	moderate
December Weather	-2°C (29°F)	45 mm (1.8 inches)	83%	low