May Weather in Pinckneyville, United States

Last updated: June 24, 2025

In May, the average temperature in Pinckneyville, United States is a pleasant 20°C (69°F). Expect a minimum of 4°C (39°F) and a maximum of 34°C (93°F), giving you a nice variety to enjoy. However, be prepared for 152 mm (6.0 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Pack accordingly for a comfortable visit!

May Temperature in Pinckneyville

In May in Pinckneyville, the average temperature is 20°C (69°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 4°C (39°F). This variation makes it a great time for travelers to enjoy both warm days and cooler evenings, so pack accordingly!

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

The chart illustrates May temperature patterns in Pinckneyville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pinckneyville, May typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec343848566877807773604541
Data source: Temperature data for Pinckneyville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Pinckneyville

In Pinckneyville in May, the precipitation amount is 152 mm (6.0 in) occurring over 13 days.

May Precipitation Trends in Pinckneyville

The chart displays monthly precipitation patterns in Pinckneyville, 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 Pinckneyville, May typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec93110141141152898792671218781
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Pinckneyville

In Pinckneyville in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Pinckneyville

This chart illustrates the average monthly humidity levels in Pinckneyville, 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 Pinckneyville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Pinckneyville

In Pinckneyville in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Pinckneyville.

Maximum UV Index Levels in Pinckneyville for May

The chart shows the monthly maximum UV Index (UVI) for Pinckneyville 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 Pinckneyville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
Data source: Pinckneyville 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 Pinckneyville Compares to Other Months

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

This table compares monthly weather conditions in Pinckneyville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)92 mm (3.6 inches)86%moderate
February Weather3°C (38°F)110 mm (4.3 inches)84%moderate
March Weather9°C (49°F)141 mm (5.5 inches)84%high
April Weather14°C (57°F)141 mm (5.6 inches)80%very high
May Weather20°C (69°F)152 mm (6.0 inches)82%extreme
June Weather25°C (77°F)89 mm (3.5 inches)83%extreme
July Weather27°C (81°F)87 mm (3.4 inches)79%very high
August Weather25°C (77°F)92 mm (3.6 inches)76%very high
September Weather23°C (73°F)67 mm (2.7 inches)75%very high
October Weather16°C (61°F)121 mm (4.8 inches)74%high
November Weather7°C (46°F)87 mm (3.4 inches)85%moderate
December Weather5°C (41°F)81 mm (3.2 inches)88%moderate

Compare Pinckneyville's Climate with Cities Worldwide