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May Weather in Sewanee, United States

Last updated: June 24, 2025

In May, the average temperature in Sewanee, United States hovers around 20°C (69°F). Expect a minimum of 3°C (37°F) and a possible maximum of 32°C (90°F). With 107 mm (4.2 in) of precipitation spread over 12 days, it's wise to be prepared for some rain. The average humidity in this region is a notable 83%, ensuring a warm and humid atmosphere.

May Temperature in Sewanee

In May in Sewanee, the average temperature is 20°C (69°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 3°C (37°F). This pleasant climate makes Sewanee an ideal destination for travelers seeking mild weather and diverse outdoor activities.

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

The chart illustrates May temperature patterns in Sewanee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sewanee, May typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec414653596975787773634945
Data source: Temperature data for Sewanee 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 Sewanee

In Sewanee in May, the precipitation amount is 107 mm (4.2 in) spread over 12 days.

May Precipitation Trends in Sewanee

The chart displays monthly precipitation patterns in Sewanee, 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 Sewanee, May typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10817919714910712712311510711372146
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sewanee

In Sewanee in May, humidity is 83%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making every step slightly more laborious and the air thick with moisture, which can be quite stifling for traveling.

May Average Humidity in Sewanee

This chart illustrates the average monthly humidity levels in Sewanee, 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 Sewanee 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 Sewanee

In Sewanee 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 Sewanee.

Maximum UV Index Levels in Sewanee for May

The chart shows the monthly maximum UV Index (UVI) for Sewanee 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 Sewanee typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Sewanee 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 Sewanee Compares to Other Months

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

This table compares monthly weather conditions in Sewanee, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)108 mm (4.3 inches)87%moderate
February Weather8°C (47°F)178 mm (7.0 inches)87%high
March Weather12°C (53°F)197 mm (7.8 inches)85%very high
April Weather15°C (59°F)148 mm (5.8 inches)82%very high
May Weather20°C (69°F)107 mm (4.2 inches)83%extreme
June Weather24°C (75°F)127 mm (5.0 inches)82%extreme
July Weather26°C (79°F)123 mm (4.8 inches)78%extreme
August Weather25°C (77°F)115 mm (4.5 inches)67%very high
September Weather23°C (73°F)107 mm (4.2 inches)64%very high
October Weather17°C (63°F)112 mm (4.4 inches)74%high
November Weather9°C (49°F)72 mm (2.8 inches)87%moderate
December Weather7°C (46°F)146 mm (5.7 inches)88%moderate

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