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May Weather in Glenns Ferry, United States

Last updated: June 24, 2025

In May, the average temperature in Glenns Ferry, United States is a pleasant 15°C (59°F). However, temperatures can vary significantly, ranging from a chilly 0°C (32°F) to a sweltering 36°C (97°F). Visitors can expect about 33 mm (1.3 in) of precipitation spread across 6 days, accompanied by an average humidity of 71%. Perfect your packing to enjoy the blushing beauty of this vibrant locale!

May Temperature in Glenns Ferry

In May in Glenns Ferry, the average temperature is 15°C (59°F). Maximums can reach 36°C (97°F), and minimums can be as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures during their visit.

May Weather in Glenns Ferry: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Glenns Ferry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenns Ferry, May typically has an average temperature of 15°C (59°F), with highs reaching up to 36°C (97°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303444505970817867514131
Data source: Temperature data for Glenns Ferry 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 Glenns Ferry

In Glenns Ferry, in May, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

May Precipitation Trends in Glenns Ferry

The chart displays monthly precipitation patterns in Glenns Ferry, 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 Glenns Ferry, May typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5152392733132511263839
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Glenns Ferry

In Glenns Ferry in May humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

May Average Humidity in Glenns Ferry

This chart illustrates the average monthly humidity levels in Glenns Ferry, 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 Glenns Ferry is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Glenns Ferry

In Glenns Ferry 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 Glenns Ferry.

Maximum UV Index Levels in Glenns Ferry for May

The chart shows the monthly maximum UV Index (UVI) for Glenns Ferry 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 Glenns Ferry typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Glenns Ferry 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 Glenns Ferry Compares to Other Months

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

This table compares monthly weather conditions in Glenns Ferry, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)51 mm (2.0 inches)88%moderate
February Weather1°C (34°F)52 mm (2.0 inches)89%moderate
March Weather7°C (44°F)39 mm (1.5 inches)85%high
April Weather10°C (51°F)27 mm (1.1 inches)79%very high
May Weather15°C (59°F)33 mm (1.3 inches)71%very high
June Weather21°C (70°F)13 mm (0.5 inches)71%extreme
July Weather27°C (81°F)2 mm (0.1 inches)66%extreme
August Weather25°C (78°F)5 mm (0.2 inches)50%very high
September Weather19°C (67°F)11 mm (0.4 inches)48%very high
October Weather10°C (51°F)26 mm (1.0 inches)65%high
November Weather5°C (41°F)38 mm (1.5 inches)84%moderate
December Weather0°C (32°F)39 mm (1.6 inches)87%moderate

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