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May Weather in Belvidere, United States

Last updated: June 24, 2025

In Belvidere, United States, the average temperature in May hovers around 16°C (60°F), with the potential for a wide range as well—minimums can dip to -1°C (30°F) while maximums may soar to 33°C (92°F). Expect some rain, too, with an average precipitation of 159 mm (6.3 in) spread over 15 days. Don’t forget to prepare for the humidity, which averages a comfortable 78%!

May Temperature in Belvidere

In May in Belvidere, the average temperature is 16°C (60°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -1°C (30°F). Visitors should be prepared for a range of weather conditions, from warm days to chilly nights.

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

The chart illustrates May temperature patterns in Belvidere, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belvidere, May typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec232538476071757266533731
Data source: Temperature data for Belvidere 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 Belvidere

In Belvidere in May, the precipitation amount is 159 mm (6.3 in) over a span of 15 days.

May Precipitation Trends in Belvidere

The chart displays monthly precipitation patterns in Belvidere, 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 Belvidere, May typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec61567110615911082861041154951
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Belvidere

In Belvidere 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 Belvidere

This chart illustrates the average monthly humidity levels in Belvidere, 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 Belvidere 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 Belvidere

In Belvidere 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 Belvidere.

Maximum UV Index Levels in Belvidere for May

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

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

This table compares monthly weather conditions in Belvidere, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)61 mm (2.4 inches)85%moderate
February Weather-4°C (25°F)56 mm (2.2 inches)85%moderate
March Weather3°C (38°F)71 mm (2.8 inches)85%high
April Weather8°C (47°F)106 mm (4.2 inches)85%very high
May Weather16°C (60°F)159 mm (6.3 inches)78%very high
June Weather22°C (71°F)110 mm (4.3 inches)80%very high
July Weather24°C (75°F)82 mm (3.2 inches)78%very high
August Weather22°C (72°F)86 mm (3.4 inches)76%very high
September Weather19°C (67°F)104 mm (4.1 inches)79%very high
October Weather12°C (53°F)115 mm (4.5 inches)83%moderate
November Weather3°C (38°F)49 mm (1.9 inches)88%moderate
December Weather0°C (32°F)51 mm (2.0 inches)81%low

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