June Weather in Summerville, United States

Last updated: June 24, 2025

In Summerville, United States during June, the average temperature is a warm 26°C (79°F), with a minimum of 13°C (55°F) and a peak of 37°C (99°F). Be prepared for a wet month, as precipitation amounts can reach 156 mm (6.1 in) over 19 days. With an average humidity of 75%, the tropical climate can feel quite steamy!

June Temperature in Summerville

In June in Summerville, the average temperature is 26°C (79°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 13°C (55°F). This temperature range makes Summerville an ideal destination for travelers looking to enjoy warm weather while still having comfortable cooler evenings.

June Weather in Summerville: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, June typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec505659667479818177705753
Data source: Temperature data for Summerville 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.

June Precipitation in Summerville

In Summerville in June, the precipitation amount is 156 mm (6.1 in) over the course of 19 days.

June Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Summerville, June typically receives around 156 mm (6.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec649271108921561911761467570132
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Summerville

In Summerville in June, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.

June Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Summerville 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Summerville

In Summerville in June, 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 Summerville.

Maximum UV Index Levels in Summerville for June

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

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

This table compares monthly weather conditions in Summerville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)64 mm (2.5 inches)86%moderate
February Weather13°C (56°F)92 mm (3.6 inches)81%high
March Weather15°C (60°F)71 mm (2.8 inches)81%very high
April Weather19°C (66°F)108 mm (4.2 inches)79%very high
May Weather23°C (74°F)92 mm (3.6 inches)75%extreme
June Weather26°C (79°F)156 mm (6.1 inches)75%extreme
July Weather27°C (81°F)191 mm (7.5 inches)80%extreme
August Weather27°C (81°F)176 mm (6.9 inches)81%extreme
September Weather25°C (77°F)146 mm (5.8 inches)83%very high
October Weather21°C (70°F)75 mm (3.0 inches)78%very high
November Weather14°C (57°F)70 mm (2.8 inches)85%high
December Weather12°C (53°F)132 mm (5.2 inches)87%moderate

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