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May Weather in Seymour, United States

Last updated: June 24, 2025

In May, the average temperature in Seymour, United States hovers around 18°C (65°F). However, temperatures can vary significantly, with minimums dropping to 2°C (36°F) and maximums soaring to 33°C (91°F). Expect 183 mm (7.2 in) of precipitation over approximately 15 days, adding to an average humidity level of 83%. Prepare for a month that brings a mix of warmth and occasional rainy spells!

May Temperature in Seymour

In May in Seymour, the average temperature is 18°C (65°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 2°C (36°F). This makes Seymour an ideal destination for travelers seeking a mix of comfortable days and cooler evenings.

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

The chart illustrates May temperature patterns in Seymour, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seymour, May typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748546574787572584540
Data source: Temperature data for Seymour 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 Seymour

In Seymour in May, the total precipitation amount is 183 mm (7.2 in) over the course of 15 days.

May Precipitation Trends in Seymour

The chart displays monthly precipitation patterns in Seymour, 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 Seymour, May typically receives around 183 mm (7.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec809414717418310285109581377263
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Seymour

In Seymour in May, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

May Average Humidity in Seymour

This chart illustrates the average monthly humidity levels in Seymour, 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 Seymour is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Seymour

In Seymour 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 Seymour.

Maximum UV Index Levels in Seymour for May

The chart shows the monthly maximum UV Index (UVI) for Seymour 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 Seymour typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Seymour 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 Seymour Compares to Other Months

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

This table compares monthly weather conditions in Seymour, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)80 mm (3.1 inches)81%moderate
February Weather3°C (37°F)94 mm (3.7 inches)78%high
March Weather9°C (48°F)147 mm (5.8 inches)76%high
April Weather12°C (55°F)174 mm (6.9 inches)78%very high
May Weather18°C (65°F)183 mm (7.2 inches)83%very high
June Weather23°C (75°F)102 mm (4.0 inches)83%extreme
July Weather26°C (78°F)85 mm (3.3 inches)78%extreme
August Weather24°C (76°F)109 mm (4.3 inches)68%very high
September Weather22°C (72°F)58 mm (2.3 inches)64%very high
October Weather14°C (58°F)137 mm (5.4 inches)70%high
November Weather7°C (45°F)72 mm (2.8 inches)83%moderate
December Weather5°C (41°F)63 mm (2.5 inches)87%moderate

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