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May Weather in South Park, United States

Last updated: June 24, 2025

In May, the average temperature in South Park, United States hovers around 4°C (39°F). However, be prepared for a wide range, as temperatures can dip to a chilly -10°C (14°F) or rise to a pleasant 21°C (69°F). During this month, expect 67 mm (2.6 in) of precipitation over about 12 days, contributing to an average humidity level of 71%. Be ready for a mix of conditions!

May Temperature in South Park

In May in South Park, the average temperature is 4°C (39°F). The maximum can reach 21°C (69°F), while the minimum can be as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in South Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Park, May typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (69°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec181928323952626050342418
Data source: Temperature data for South Park 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 Park

In South Park in May, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

May Precipitation Trends in South Park

The chart displays monthly precipitation patterns in South Park, 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 Park, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec82132761036766283558709183
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in South Park

In South Park in May humidity is 71%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration brisk and potentially uncomfortable for travelers unprepared for the cold and moisture in the air.

May Average Humidity in South Park

This chart illustrates the average monthly humidity levels in South Park, 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 Park is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in South Park

In South Park 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 South Park.

Maximum UV Index Levels in South Park for May

The chart shows the monthly maximum UV Index (UVI) for South Park 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 Park typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111211119642
Data source: South Park 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 Park Compares to Other Months

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

This table compares monthly weather conditions in South Park, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)82 mm (3.2 inches)95%moderate
February Weather-7°C (19°F)132 mm (5.2 inches)95%moderate
March Weather-2°C (28°F)76 mm (3.0 inches)90%high
April Weather0°C (33°F)103 mm (4.0 inches)81%very high
May Weather4°C (39°F)67 mm (2.6 inches)71%extreme
June Weather11°C (53°F)66 mm (2.6 inches)64%extreme
July Weather17°C (62°F)28 mm (1.1 inches)59%extreme
August Weather15°C (60°F)35 mm (1.4 inches)49%extreme
September Weather10°C (51°F)58 mm (2.3 inches)52%very high
October Weather1°C (34°F)70 mm (2.7 inches)69%high
November Weather-4°C (24°F)91 mm (3.6 inches)86%moderate
December Weather-8°C (18°F)83 mm (3.3 inches)91%low

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