May Weather in Summerton, United States

Last updated: June 24, 2025

In Summerton, United States, the average temperature in May hovers around 23°C (74°F). Expect a minimum of 7°C (45°F) and the warmth can peak at a sizzling 38°C (101°F). The month brings about 90 mm (3.5 in) of precipitation, typically over 9 days, and you'll experience an average humidity of 75%, adding to the lush atmosphere.

May Temperature in Summerton

In May in Summerton, the average temperature is 23°C (74°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 7°C (45°F). Pack accordingly to enjoy your trip, as the varying temperatures will require both light clothing for daytime and warmer layers for cooler nights.

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

The chart illustrates May temperature patterns in Summerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerton, May typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec495559667479818177705652
Data source: Temperature data for Summerton 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 Summerton

In Summerton in May, the precipitation amount is 90 mm (3.5 in) over the course of 9 days.

May Precipitation Trends in Summerton

The chart displays monthly precipitation patterns in Summerton, 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 Summerton, May typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec749476105901211621401285667140
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Summerton

In Summerton in May, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

May Average Humidity in Summerton

This chart illustrates the average monthly humidity levels in Summerton, 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 Summerton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Summerton

In Summerton 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 Summerton.

Maximum UV Index Levels in Summerton for May

The chart shows the monthly maximum UV Index (UVI) for Summerton 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 Summerton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Summerton 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 Summerton Compares to Other Months

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

This table compares monthly weather conditions in Summerton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)74 mm (2.9 inches)86%moderate
February Weather13°C (55°F)94 mm (3.7 inches)81%high
March Weather15°C (59°F)76 mm (3.0 inches)81%very high
April Weather19°C (66°F)105 mm (4.1 inches)79%very high
May Weather23°C (74°F)90 mm (3.5 inches)75%extreme
June Weather26°C (79°F)121 mm (4.8 inches)75%extreme
July Weather27°C (82°F)162 mm (6.4 inches)80%extreme
August Weather27°C (81°F)140 mm (5.5 inches)81%extreme
September Weather25°C (77°F)128 mm (5.0 inches)83%very high
October Weather21°C (70°F)56 mm (2.2 inches)78%very high
November Weather13°C (56°F)67 mm (2.6 inches)85%high
December Weather11°C (52°F)140 mm (5.5 inches)87%moderate

Compare Summerton's Climate with Cities Worldwide