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May Weather in American Falls, United States

Last updated: June 24, 2025

In May, the average temperature in American Falls, United States hovers around 13°C (56°F). Expect a temperature range that can dip as low as -2°C (29°F) and rise up to 32°C (91°F). With 51 mm (2.0 in) of precipitation over 11 days, the month brings a moderate level of rainfall. The average humidity rests at a comfortable 66%, adding a hint of moisture to the air.

May Temperature in American Falls

In May in American Falls, the average temperature is 13°C (56°F). Maximum temperatures can reach up to 32°C (91°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling during this month in American Falls.

May Weather in American Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in American Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In American Falls, May typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec262938465566757263463727
Data source: Temperature data for American Falls 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 American Falls

In American Falls in May, the precipitation amount is 51 mm (2.0 in) spread over 11 days.

May Precipitation Trends in American Falls

The chart displays monthly precipitation patterns in American Falls, 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 American Falls, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec435546515124131627383043
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in American Falls

In American Falls in May, humidity is 66%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing embrace, making travel comfortable yet occasionally brisk, inviting you to explore while ensuring you stay hydrated and take breaks from time to time.

May Average Humidity in American Falls

This chart illustrates the average monthly humidity levels in American Falls, 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 American Falls is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in American Falls

In American Falls 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 American Falls.

Maximum UV Index Levels in American Falls for May

The chart shows the monthly maximum UV Index (UVI) for American Falls 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 American Falls typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: American Falls 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 American Falls Compares to Other Months

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

This table compares monthly weather conditions in American Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)43 mm (1.7 inches)91%moderate
February Weather-2°C (29°F)55 mm (2.2 inches)92%moderate
March Weather3°C (38°F)46 mm (1.8 inches)85%high
April Weather8°C (46°F)51 mm (2.0 inches)76%very high
May Weather13°C (56°F)51 mm (2.0 inches)66%very high
June Weather19°C (67°F)24 mm (0.9 inches)62%extreme
July Weather24°C (76°F)13 mm (0.5 inches)53%extreme
August Weather22°C (73°F)16 mm (0.6 inches)42%very high
September Weather17°C (63°F)27 mm (1.1 inches)46%very high
October Weather8°C (47°F)38 mm (1.5 inches)64%high
November Weather3°C (37°F)30 mm (1.2 inches)83%moderate
December Weather-3°C (28°F)43 mm (1.7 inches)87%moderate

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