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May Weather in Mountain Home, United States

Last updated: June 24, 2025

In May, the average temperature in Mountain Home, United States hovers around 18°C (65°F), with a comfortable range between a cool 1°C (34°F) and a warm 32°C (89°F). Expect about 141 mm (5.5 in) of precipitation spread over 12 days, contributing to an average humidity level of 85%, creating a lush and vibrant atmosphere.

May Temperature in Mountain Home

In May in Mountain Home, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F) and minimums can be as low as 1°C (34°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

May Weather in Mountain Home: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mountain Home, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain Home, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550576571747369604743
Data source: Temperature data for Mountain Home 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 Mountain Home

In Mountain Home in May, the precipitation amount is 141 mm (5.5 in), occurring over the course of 12 days.

May Precipitation Trends in Mountain Home

The chart displays monthly precipitation patterns in Mountain Home, 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 Mountain Home, May typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051321031391419911614514917489133
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mountain Home

In Mountain Home in May humidity is 85%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities challenging but creating a lush, vibrant atmosphere that invites exploration.

May Average Humidity in Mountain Home

This chart illustrates the average monthly humidity levels in Mountain Home, 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 Mountain Home is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mountain Home

In Mountain Home in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Mountain Home.

Maximum UV Index Levels in Mountain Home for May

The chart shows the monthly maximum UV Index (UVI) for Mountain Home 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 Mountain Home typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Mountain Home 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 Mountain Home Compares to Other Months

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

This table compares monthly weather conditions in Mountain Home, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)104 mm (4.1 inches)86%moderate
February Weather7°C (45°F)132 mm (5.2 inches)86%high
March Weather10°C (50°F)103 mm (4.0 inches)86%very high
April Weather14°C (57°F)139 mm (5.5 inches)82%very high
May Weather18°C (65°F)141 mm (5.5 inches)85%extreme
June Weather22°C (71°F)99 mm (3.9 inches)85%extreme
July Weather23°C (74°F)115 mm (4.5 inches)83%extreme
August Weather23°C (73°F)145 mm (5.7 inches)76%very high
September Weather21°C (69°F)149 mm (5.9 inches)76%very high
October Weather16°C (61°F)174 mm (6.8 inches)80%very high
November Weather8°C (47°F)89 mm (3.5 inches)88%high
December Weather6°C (43°F)133 mm (5.2 inches)88%moderate

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