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May Weather in Brillion, United States

Last updated: June 24, 2025

In May, the average temperature in Brillion, United States is a comfortable 14°C (57°F), with fluctuations ranging from a chilly -2°C (28°F) to a warm 32°C (91°F). Expect around 104 mm (4.1 in) of precipitation spread over 12 days, contributing to an average humidity of 77%. Whether you're planning a visit or simply curious about the climate, this month offers a unique weather experience!

May Temperature in Brillion

In May in Brillion, the average temperature is 14°C (57°F). The maximum can reach 32°C (91°F), and the minimum can be as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling to Brillion during this month.

May Weather in Brillion: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Brillion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brillion, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (91°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec212133435668737063503627
Data source: Temperature data for Brillion 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 Brillion

In Brillion in May, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

May Precipitation Trends in Brillion

The chart displays monthly precipitation patterns in Brillion, 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 Brillion, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4347589810410311010169974851
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Brillion

In Brillion in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.

May Average Humidity in Brillion

This chart illustrates the average monthly humidity levels in Brillion, 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 Brillion is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Brillion

In Brillion 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 Brillion.

Maximum UV Index Levels in Brillion for May

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

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

This table compares monthly weather conditions in Brillion, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)43 mm (1.7 inches)89%low
February Weather-6°C (21°F)47 mm (1.9 inches)90%moderate
March Weather1°C (34°F)58 mm (2.3 inches)87%moderate
April Weather6°C (43°F)98 mm (3.9 inches)84%high
May Weather14°C (57°F)104 mm (4.1 inches)77%very high
June Weather20°C (68°F)103 mm (4.1 inches)75%very high
July Weather23°C (73°F)110 mm (4.3 inches)74%very high
August Weather21°C (70°F)101 mm (4.0 inches)73%very high
September Weather17°C (63°F)69 mm (2.7 inches)78%high
October Weather10°C (50°F)97 mm (3.8 inches)84%moderate
November Weather2°C (36°F)48 mm (1.9 inches)89%moderate
December Weather-3°C (27°F)51 mm (2.0 inches)87%low

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