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May Weather in Summertown, United States

Last updated: June 24, 2025

In May, the average temperature in Summertown, United States is a pleasant 21°C (70°F). However, be prepared for a range, as temperatures can drop to a chilly 2°C (36°F) at night or soar up to a sweltering 34°C (93°F) during the day. Expect 113 mm (4.5 in) of precipitation spread over about 12 days, contributing to a notably high average humidity of 83%.

May Temperature in Summertown

In May in Summertown, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F) and minimums can be as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their stay.

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

The chart illustrates May temperature patterns in Summertown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summertown, May typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414654597076807874634946
Data source: Temperature data for Summertown 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 Summertown

In Summertown in May, the precipitation amount is 113 mm (4.5 in) over the course of 12 days.

May Precipitation Trends in Summertown

The chart displays monthly precipitation patterns in Summertown, 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 Summertown, May typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11017517216311312812012811811774147
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Summertown

In Summertown in May humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

May Average Humidity in Summertown

This chart illustrates the average monthly humidity levels in Summertown, 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 Summertown is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Summertown

In Summertown 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 Summertown.

Maximum UV Index Levels in Summertown for May

The chart shows the monthly maximum UV Index (UVI) for Summertown 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 Summertown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Summertown 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 Summertown Compares to Other Months

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

This table compares monthly weather conditions in Summertown, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)110 mm (4.3 inches)87%moderate
February Weather8°C (46°F)175 mm (6.9 inches)87%high
March Weather12°C (54°F)172 mm (6.8 inches)85%high
April Weather15°C (60°F)163 mm (6.4 inches)82%very high
May Weather21°C (70°F)113 mm (4.5 inches)83%very high
June Weather25°C (77°F)128 mm (5.0 inches)82%extreme
July Weather26°C (80°F)120 mm (4.7 inches)78%extreme
August Weather25°C (78°F)128 mm (5.0 inches)67%very high
September Weather23°C (74°F)118 mm (4.7 inches)64%very high
October Weather17°C (64°F)117 mm (4.6 inches)74%high
November Weather9°C (49°F)74 mm (2.9 inches)87%moderate
December Weather8°C (46°F)147 mm (5.8 inches)88%moderate

Compare Summertown's Climate with Cities Worldwide