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May Weather in Fort Benton, United States

Last updated: June 24, 2025

In Fort Benton, United States, the average temperature in May hovers around 13°C (56°F), with a minimum dip of -5°C (22°F) and an occasional peak of 32°C (91°F). Expect 56 mm (2.2 in) of precipitation spread across 9 days, while the air maintains an average humidity of 76%.

May Temperature in Fort Benton

In May in Fort Benton, the average temperature is 13°C (56°F), with maximums reaching 32°C (91°F) and minimums dropping as low as -5°C (22°F). This diverse temperature range makes Fort Benton an intriguing destination for travelers seeking both warm and cooler experiences.

May Weather in Fort Benton: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fort Benton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Benton, 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 -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec261934435566747160453729
Data source: Temperature data for Fort Benton 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 Fort Benton

In Fort Benton in May, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

May Precipitation Trends in Fort Benton

The chart displays monthly precipitation patterns in Fort Benton, 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 Fort Benton, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec174123535656131830333126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fort Benton

In Fort Benton in May humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

May Average Humidity in Fort Benton

This chart illustrates the average monthly humidity levels in Fort Benton, 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 Fort Benton is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%83%78%76%78%77%71%68%72%84%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fort Benton

In Fort Benton in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Fort Benton.

Maximum UV Index Levels in Fort Benton for May

The chart shows the monthly maximum UV Index (UVI) for Fort Benton 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 Fort Benton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Fort Benton 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 Fort Benton Compares to Other Months

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

This table compares monthly weather conditions in Fort Benton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)17 mm (0.7 inches)87%low
February Weather-7°C (19°F)41 mm (1.6 inches)88%moderate
March Weather1°C (34°F)23 mm (0.9 inches)83%moderate
April Weather6°C (43°F)53 mm (2.1 inches)78%high
May Weather13°C (56°F)56 mm (2.2 inches)76%very high
June Weather19°C (66°F)56 mm (2.2 inches)78%very high
July Weather23°C (74°F)13 mm (0.5 inches)77%very high
August Weather22°C (71°F)18 mm (0.7 inches)71%very high
September Weather16°C (60°F)30 mm (1.2 inches)68%high
October Weather7°C (45°F)33 mm (1.3 inches)72%moderate
November Weather3°C (38°F)31 mm (1.2 inches)84%moderate
December Weather-2°C (29°F)26 mm (1.0 inches)90%low

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