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May Weather in Ephrata, United States

Last updated: June 24, 2025

In Ephrata, United States, the average temperature in May hovers around 18°C (64°F). However, temperatures can vary significantly, ranging from a chilly 3°C (38°F) to a scorching 35°C (95°F). During this month, expect about 14 mm (0.6 in) of precipitation spread over approximately 4 days, along with a relatively high average humidity of 77%.

May Temperature in Ephrata

In May in Ephrata, the average temperature is 18°C (64°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 3°C (38°F). Overall, this climate offers a pleasant variety, making it an ideal time for outdoor adventures and exploring the beauty of Ephrata.

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 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec303243536471797766514032
Data source: Temperature data for Ephrata generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ephrata

In Ephrata in May, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 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 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec433525251571313303736
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ephrata

In Ephrata in May humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356891097532
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)43 mm (1.7 inches)85%low
February Weather0°C (32°F)35 mm (1.4 inches)86%moderate
March Weather6°C (44°F)25 mm (1.0 inches)86%moderate
April Weather11°C (53°F)25 mm (1.0 inches)82%high
May Weather18°C (64°F)14 mm (0.6 inches)77%very high
June Weather22°C (72°F)7 mm (0.3 inches)79%very high
July Weather26°C (79°F)1 mm (0.0 inches)77%very high
August Weather25°C (78°F)3 mm (0.1 inches)62%very high
September Weather19°C (66°F)13 mm (0.5 inches)60%high
October Weather10°C (51°F)30 mm (1.2 inches)80%moderate
November Weather4°C (40°F)37 mm (1.5 inches)87%moderate
December Weather0°C (33°F)36 mm (1.4 inches)86%low

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