May Weather in Ephrata, United States

Last updated: June 24, 2025

In May, the average temperature in Ephrata, United States hovers around 17°C (63°F), making it a pleasant time to explore. However, temperatures can vary significantly, with a minimum of 0°C (33°F) and soaring to a maximum of 33°C (92°F). Prepare for a bit of rain, as average precipitation reaches 127 mm (5.0 in) over 14 days. The air is quite humid, with an average humidity level of 75%, giving the atmosphere a tropical feel.

May Temperature in Ephrata

In May, in Ephrata, the average temperature is 17°C (63°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 0°C (33°F). This climate makes Ephrata an ideal destination for travelers seeking a mix of warm days and cooler nights for outdoor adventures.

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

The chart illustrates May temperature patterns in Ephrata, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ephrata, May typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Ephrata

In Ephrata in May, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.

May Precipitation Trends in Ephrata

The chart displays monthly precipitation patterns in Ephrata, 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 Ephrata, May typically receives around 127 mm (5.0 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 Ephrata

In Ephrata in May, humidity is 75%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities a bit sticky and requiring frequent breaks to stay refreshed during your travels.

May Average Humidity in Ephrata

This chart illustrates the average monthly humidity levels in Ephrata, 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 Ephrata is approximately 75%, 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 Ephrata

In Ephrata 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 Ephrata.

Maximum UV Index Levels in Ephrata for May

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

Data source: Ephrata 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 Ephrata Compares to Other Months

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

This table compares monthly weather conditions in Ephrata, 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)	68 mm (2.7 inches)	87%	moderate
February Weather	2°C (37°F)	106 mm (4.2 inches)	85%	moderate
March Weather	6°C (43°F)	102 mm (4.0 inches)	85%	high
April Weather	12°C (53°F)	102 mm (4.0 inches)	83%	very high
May Weather	17°C (63°F)	127 mm (5.0 inches)	75%	very high
June Weather	22°C (72°F)	96 mm (3.8 inches)	73%	very high
July Weather	25°C (78°F)	131 mm (5.2 inches)	65%	very high
August Weather	24°C (76°F)	133 mm (5.2 inches)	62%	very high
September Weather	21°C (70°F)	103 mm (4.1 inches)	66%	very high
October Weather	15°C (59°F)	105 mm (4.1 inches)	79%	high
November Weather	7°C (44°F)	92 mm (3.6 inches)	87%	moderate
December Weather	3°C (38°F)	99 mm (3.9 inches)	85%	low