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May Weather in State Line, United States

Last updated: June 24, 2025

In May, the average temperature in State Line, United States hovers around 18°C (64°F). Expect minimums as low as 0°C (33°F), while highs can soar to 32°C (91°F). With precipitation totaling 118 mm (4.7 in) spread over 13 days, you may want to keep an umbrella handy. Don't forget, the average humidity sits at a cozy 78%, adding to the region's characteristic climate.

May Temperature in State Line

In May in State Line, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 32°C (91°F), while minimums can drop as low as 0°C (33°F). Be prepared for warm days and cool nights when traveling to State Line this time of year.

May Weather in State Line: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in State Line, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In State Line, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec343744546473787670594438
Data source: Temperature data for State Line 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 State Line

In State Line in May, the total precipitation amount is 118 mm (4.7 in) over the course of 13 days.

May Precipitation Trends in State Line

The chart displays monthly precipitation patterns in State Line, 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 State Line, May typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec62948810111890124871101058195
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in State Line

In State Line in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

May Average Humidity in State Line

This chart illustrates the average monthly humidity levels in State Line, 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 State Line is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in State Line

In State Line in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in State Line.

Maximum UV Index Levels in State Line for May

The chart shows the monthly maximum UV Index (UVI) for State Line 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 State Line typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098743
Data source: State Line 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 State Line Compares to Other Months

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

This table compares monthly weather conditions in State Line, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)62 mm (2.4 inches)86%moderate
February Weather3°C (38°F)94 mm (3.7 inches)86%moderate
March Weather6°C (44°F)88 mm (3.5 inches)86%high
April Weather12°C (54°F)101 mm (4.0 inches)84%very high
May Weather18°C (64°F)118 mm (4.7 inches)78%very high
June Weather23°C (73°F)90 mm (3.5 inches)79%very high
July Weather26°C (79°F)124 mm (4.9 inches)70%very high
August Weather24°C (76°F)87 mm (3.4 inches)59%very high
September Weather21°C (70°F)110 mm (4.3 inches)68%very high
October Weather15°C (60°F)104 mm (4.1 inches)80%high
November Weather7°C (45°F)81 mm (3.2 inches)86%moderate
December Weather3°C (38°F)95 mm (3.7 inches)85%moderate

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