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May Weather in Mason, United States

Last updated: June 24, 2025

In May, the average temperature in Mason, United States hovers around 15°C (60°F). Be prepared for a wide range of conditions, as temperatures can dip to a chilly -2°C (28°F) or soar up to a sweltering 35°C (96°F). With 126 mm (5.0 in) of precipitation spread over 16 days, it's wise to carry an umbrella. The air is quite humid, with an average humidity level of 80%, making it feel warmer than it actually is.

May Temperature in Mason

In May in Mason, the average temperature is 15°C (60°F). Maximums can reach 35°C (96°F), and minimums can be as low as -2°C (28°F). Be sure to pack for a wide range of temperatures if you're planning to visit!

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

The chart illustrates May temperature patterns in Mason, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mason, May typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (96°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747265533932
Data source: Temperature data for Mason 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 Mason

In Mason in May, the precipitation amount is 126 mm (5.0 in), occurring over the course of 16 days.

May Precipitation Trends in Mason

The chart displays monthly precipitation patterns in Mason, 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 Mason, May typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec66707391126949665891157058
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mason

In Mason in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Mason

This chart illustrates the average monthly humidity levels in Mason, 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 Mason is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mason

In Mason 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 Mason.

Maximum UV Index Levels in Mason for May

The chart shows the monthly maximum UV Index (UVI) for Mason 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 Mason typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Mason 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 Mason Compares to Other Months

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

This table compares monthly weather conditions in Mason, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)66 mm (2.6 inches)88%low
February Weather-3°C (28°F)70 mm (2.8 inches)87%moderate
March Weather3°C (37°F)73 mm (2.9 inches)85%moderate
April Weather8°C (47°F)91 mm (3.6 inches)86%very high
May Weather15°C (60°F)126 mm (5.0 inches)80%very high
June Weather21°C (70°F)94 mm (3.7 inches)80%very high
July Weather24°C (75°F)96 mm (3.8 inches)80%very high
August Weather22°C (72°F)65 mm (2.5 inches)80%very high
September Weather19°C (66°F)89 mm (3.5 inches)80%high
October Weather12°C (54°F)115 mm (4.5 inches)84%moderate
November Weather4°C (39°F)69 mm (2.7 inches)89%moderate
December Weather0°C (32°F)57 mm (2.3 inches)86%low

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