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May Weather in Council Bluffs, United States

Last updated: June 24, 2025

In May, the average temperature in Council Bluffs, United States hovers around 17°C (63°F), offering a mild climate suitable for various activities. Expect temperatures to fluctuate, with a minimum of 2°C (36°F) and a maximum of 36°C (97°F). However, prepare for some rain, as precipitation totals around 156 mm (6.1 in) over 16 days, coupled with an average humidity of 78% that creates a lush, vibrant atmosphere.

May Temperature in Council Bluffs

In May in Council Bluffs, the average temperature is 17°C (63°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (36°F). This range makes it a great time for travelers to enjoy a variety of outdoor activities, from comfortable sightseeing to cooler evening strolls.

May Weather in Council Bluffs: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Council Bluffs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Council Bluffs, May typically has an average temperature of 17°C (63°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec252541506375787469534031
Data source: Temperature data for Council Bluffs 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 Council Bluffs

In Council Bluffs in May, the precipitation amount is 156 mm (6.1 in) spread over 16 days.

May Precipitation Trends in Council Bluffs

The chart displays monthly precipitation patterns in Council Bluffs, 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 Council Bluffs, May typically receives around 156 mm (6.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3333955915613375105861353236
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Council Bluffs

In Council Bluffs in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Council Bluffs

This chart illustrates the average monthly humidity levels in Council Bluffs, 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 Council Bluffs is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Council Bluffs

In Council Bluffs 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 Council Bluffs.

Maximum UV Index Levels in Council Bluffs for May

The chart shows the monthly maximum UV Index (UVI) for Council Bluffs 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 Council Bluffs typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Council Bluffs 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 Council Bluffs Compares to Other Months

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

This table compares monthly weather conditions in Council Bluffs, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)33 mm (1.3 inches)76%moderate
February Weather-4°C (26°F)33 mm (1.3 inches)80%moderate
March Weather5°C (41°F)95 mm (3.7 inches)73%high
April Weather10°C (50°F)59 mm (2.3 inches)74%very high
May Weather17°C (63°F)156 mm (6.1 inches)78%very high
June Weather24°C (76°F)133 mm (5.2 inches)82%very high
July Weather25°C (78°F)75 mm (3.0 inches)83%very high
August Weather23°C (75°F)105 mm (4.1 inches)80%very high
September Weather21°C (69°F)86 mm (3.4 inches)75%very high
October Weather11°C (53°F)135 mm (5.3 inches)75%high
November Weather4°C (40°F)32 mm (1.3 inches)82%moderate
December Weather-1°C (31°F)36 mm (1.4 inches)83%low

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