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May Weather in Gastonia, United States

Last updated: June 24, 2025

In Gastonia, United States, the month of May boasts an average temperature of 21°C (71°F). Temperatures can range from a cool 5°C (41°F) to a sweltering 36°C (96°F). During this period, expect 120 mm (4.7 in) of precipitation spread over 12 days, along with an average humidity level of 83%. Get ready for a month that perfectly balances warmth and occasional showers!

May Temperature in Gastonia

In May in Gastonia, the average temperature is 21°C (71°F). The maximum can reach 36°C (96°F), while the minimum can be as low as 5°C (41°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit to Gastonia.

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

The chart illustrates May temperature patterns in Gastonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gastonia, May typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (96°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853627076807874645046
Data source: Temperature data for Gastonia 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 Gastonia

In Gastonia in May, the precipitation amount is 120 mm (4.7 in) over a period of 12 days.

May Precipitation Trends in Gastonia

The chart displays monthly precipitation patterns in Gastonia, 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 Gastonia, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412594117120929811913010896126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gastonia

In Gastonia in May humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

May Average Humidity in Gastonia

This chart illustrates the average monthly humidity levels in Gastonia, 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 Gastonia is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gastonia

In Gastonia 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 Gastonia.

Maximum UV Index Levels in Gastonia for May

The chart shows the monthly maximum UV Index (UVI) for Gastonia 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 Gastonia typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
Data source: Gastonia 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 Gastonia Compares to Other Months

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

This table compares monthly weather conditions in Gastonia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)94 mm (3.7 inches)86%moderate
February Weather9°C (49°F)124 mm (4.9 inches)85%high
March Weather12°C (54°F)94 mm (3.7 inches)84%very high
April Weather16°C (62°F)117 mm (4.6 inches)82%very high
May Weather21°C (71°F)120 mm (4.7 inches)83%very high
June Weather25°C (77°F)92 mm (3.6 inches)82%extreme
July Weather27°C (80°F)98 mm (3.9 inches)80%extreme
August Weather26°C (78°F)119 mm (4.7 inches)74%very high
September Weather23°C (74°F)130 mm (5.1 inches)75%very high
October Weather18°C (65°F)107 mm (4.2 inches)79%very high
November Weather10°C (51°F)96 mm (3.8 inches)87%moderate
December Weather8°C (47°F)126 mm (5.0 inches)87%moderate

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