May Weather in Atglen, United States

Last updated: June 24, 2025

In May, the average temperature in Atglen, United States hovers around 17°C (64°F). Expect a temperature range that can dip to a chilly 1°C (33°F), while soaring to a warm 34°C (93°F). Rainy days are part of the forecast, with 139 mm (5.5 in) of precipitation spread over 14 days. Additionally, the air will feel quite humid, with an average humidity of 78%.

May Temperature in Atglen

In May in Atglen, the average temperature is 17°C (64°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 1°C (33°F). This makes Atglen an ideal destination for travelers seeking diverse weather conditions, so be sure to pack layers for your visit!

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

The chart illustrates May temperature patterns in Atglen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atglen, May typically has an average temperature of 17°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in Atglen

In Atglen, in May, the precipitation amount is 139 mm (5.5 in) over the course of 14 days.

May Precipitation Trends in Atglen

The chart displays monthly precipitation patterns in Atglen, 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 Atglen, May typically receives around 139 mm (5.5 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 Atglen

In Atglen in May humidity is 78%. With average temperature 17°C (64°F), this humidity feels like a warm embrace, making travel feel sticky and heavy, as the air wraps around you and the moments spent outdoors leave you longing for a cool respite.

May Average Humidity in Atglen

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

In Atglen 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 Atglen.

Maximum UV Index Levels in Atglen for May

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

Data source: Atglen 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 Atglen Compares to Other Months

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

This table compares monthly weather conditions in Atglen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	65 mm (2.6 inches)	84%	moderate
February Weather	3°C (38°F)	106 mm (4.2 inches)	83%	moderate
March Weather	6°C (43°F)	105 mm (4.1 inches)	83%	high
April Weather	12°C (54°F)	102 mm (4.0 inches)	81%	very high
May Weather	17°C (64°F)	139 mm (5.5 inches)	78%	very high
June Weather	22°C (73°F)	119 mm (4.7 inches)	79%	very high
July Weather	25°C (78°F)	156 mm (6.1 inches)	74%	very high
August Weather	24°C (75°F)	160 mm (6.3 inches)	72%	very high
September Weather	21°C (70°F)	112 mm (4.4 inches)	75%	very high
October Weather	15°C (60°F)	100 mm (3.9 inches)	81%	high
November Weather	7°C (45°F)	90 mm (3.5 inches)	85%	moderate
December Weather	3°C (38°F)	101 mm (4.0 inches)	84%	low