May Weather in Erma, United States

Last updated: June 24, 2025

In May, the average temperature in Erma, United States is a mild 16°C (61°F), with daily variations ranging from a cool 5°C (41°F) to a warm 27°C (81°F). Expect 125 mm (4.9 in) of precipitation over 12 days, contributing to an average humidity level of 78%. Whether you’re exploring the great outdoors or enjoying the local culture, be prepared for a mix of conditions!

May Temperature in Erma

In May in Erma, the average temperature is 16°C (61°F), with maximums peaking at 27°C (81°F) and minimums dipping to as low as 5°C (41°F). This makes it a great time for travelers to enjoy mild weather with the possibility of warmer days for outdoor activities.

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

The chart illustrates May temperature patterns in Erma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erma, May typically has an average temperature of 16°C (61°F), with highs reaching up to 27°C (81°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Erma

In Erma in May, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

May Precipitation Trends in Erma

The chart displays monthly precipitation patterns in Erma, 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 Erma, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Erma

In Erma in May, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

May Average Humidity in Erma

This chart illustrates the average monthly humidity levels in Erma, 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 Erma is approximately 78%, 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 Erma

In Erma in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Erma.

Maximum UV Index Levels in Erma for May

The chart shows the monthly maximum UV Index (UVI) for Erma 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 Erma typically reaches 10, which falls under the very high exposure category.

Data source: Erma 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 Erma Compares to Other Months

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

This table compares monthly weather conditions in Erma, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	74 mm (2.9 inches)	84%	moderate
February Weather	5°C (40°F)	113 mm (4.4 inches)	83%	moderate
March Weather	7°C (44°F)	111 mm (4.4 inches)	83%	high
April Weather	11°C (53°F)	94 mm (3.7 inches)	81%	very high
May Weather	16°C (61°F)	125 mm (4.9 inches)	78%	very high
June Weather	22°C (71°F)	77 mm (3.0 inches)	79%	very high
July Weather	25°C (78°F)	129 mm (5.1 inches)	74%	very high
August Weather	25°C (77°F)	115 mm (4.5 inches)	72%	very high
September Weather	22°C (72°F)	107 mm (4.2 inches)	75%	very high
October Weather	18°C (64°F)	142 mm (5.6 inches)	81%	high
November Weather	10°C (51°F)	90 mm (3.5 inches)	85%	moderate
December Weather	6°C (44°F)	118 mm (4.6 inches)	84%	moderate