May Weather in Erwin, United States

Last updated: June 24, 2025

In Erwin, United States, the average temperature for May hovers around 18°C (65°F). During this time, you can expect a range from a chilly 0°C (32°F) to a warm 31°C (89°F). Be prepared for 120 mm (4.7 in) of precipitation spread over approximately 14 days, and keep in mind that the average humidity sits at a cozy 84%.

May Temperature in Erwin

In May in Erwin, the average temperature is 18°C (65°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates May temperature patterns in Erwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erwin, May typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Erwin

In Erwin in May, the precipitation amount is 120 mm (4.7 in) over the course of 14 days.

May Precipitation Trends in Erwin

The chart displays monthly precipitation patterns in Erwin, 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 Erwin, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 14 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 Erwin

In Erwin in May, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

May Average Humidity in Erwin

This chart illustrates the average monthly humidity levels in Erwin, 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 Erwin is approximately 84%, 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 Erwin

In Erwin 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 Erwin.

Maximum UV Index Levels in Erwin for May

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

Data source: Erwin 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 Erwin Compares to Other Months

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

This table compares monthly weather conditions in Erwin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	97 mm (3.8 inches)	88%	moderate
February Weather	7°C (44°F)	143 mm (5.6 inches)	88%	high
March Weather	9°C (49°F)	128 mm (5.1 inches)	87%	very high
April Weather	13°C (56°F)	133 mm (5.2 inches)	84%	very high
May Weather	18°C (65°F)	120 mm (4.7 inches)	84%	extreme
June Weather	22°C (71°F)	111 mm (4.4 inches)	83%	extreme
July Weather	24°C (75°F)	84 mm (3.3 inches)	79%	extreme
August Weather	23°C (73°F)	105 mm (4.1 inches)	66%	very high
September Weather	21°C (70°F)	85 mm (3.4 inches)	67%	very high
October Weather	16°C (60°F)	116 mm (4.5 inches)	76%	very high
November Weather	8°C (46°F)	81 mm (3.2 inches)	89%	moderate
December Weather	6°C (42°F)	130 mm (5.1 inches)	88%	moderate