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May Weather in South Beloit, United States

Last updated: June 24, 2025

In May, the average temperature in South Beloit, United States hovers around 16°C (60°F). While the minimum can plummet to -1°C (30°F), the maximum can soar up to 34°C (93°F). This month also sees precipitation totaling 142 mm (5.6 in) spread over 14 days, contributing to an average humidity level of 78%.

May Temperature in South Beloit

In May in South Beloit, the average temperature is 16°C (60°F). Maximums can reach 34°C (93°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling during this month.

May Weather in South Beloit: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Beloit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Beloit, May typically has an average temperature of 16°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec222437476071757266523731
Data source: Temperature data for South Beloit 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 South Beloit

In South Beloit in May, the precipitation amount is 142 mm (5.6 in) occurring over a span of 14 days.

May Precipitation Trends in South Beloit

The chart displays monthly precipitation patterns in South Beloit, 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 South Beloit, May typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec60546310314210773871081094752
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in South Beloit

In South Beloit in May humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.

May Average Humidity in South Beloit

This chart illustrates the average monthly humidity levels in South Beloit, 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 South Beloit is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in South Beloit

In South Beloit 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 South Beloit.

Maximum UV Index Levels in South Beloit for May

The chart shows the monthly maximum UV Index (UVI) for South Beloit 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 South Beloit typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: South Beloit 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 South Beloit Compares to Other Months

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

This table compares monthly weather conditions in South Beloit, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)60 mm (2.3 inches)85%moderate
February Weather-4°C (25°F)54 mm (2.1 inches)85%moderate
March Weather3°C (38°F)63 mm (2.5 inches)85%high
April Weather8°C (47°F)103 mm (4.1 inches)85%very high
May Weather16°C (60°F)142 mm (5.6 inches)78%very high
June Weather22°C (71°F)107 mm (4.2 inches)80%very high
July Weather24°C (75°F)73 mm (2.9 inches)78%very high
August Weather22°C (72°F)87 mm (3.4 inches)76%very high
September Weather19°C (66°F)108 mm (4.3 inches)79%very high
October Weather11°C (53°F)109 mm (4.3 inches)83%moderate
November Weather3°C (37°F)47 mm (1.8 inches)88%moderate
December Weather-1°C (31°F)52 mm (2.0 inches)81%low

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