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April Weather in Seymour, United States

Last updated: June 24, 2025

In April, the average temperature in Seymour, United States hovers around 12°C (55°F), with a notable range that sees lows of -4°C (25°F) and highs peaking at 29°C (85°F). Expect 121 mm (4.8 in) of precipitation over approximately 11 days, contributing to an overall average humidity of 84%. Stay prepared for a mix of weather as you enjoy this vibrant destination!

April Temperature in Seymour

In April, in Seymour, the average temperature is 12°C (55°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -4°C (25°F). It's advisable to pack layers to accommodate both warm and cooler conditions while traveling.

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

The chart illustrates April 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, April typically has an average temperature of 12°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546674787671594339
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.

April Precipitation in Seymour

In Seymour in April, the total precipitation amount is 121 mm (4.8 in), which occurs over the course of 11 days.

April Precipitation Trends in Seymour

The chart displays monthly precipitation patterns in Seymour, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Seymour, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8210913812113312610298869798100
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Seymour

In Seymour in April, humidity is 84%. With an average temperature of 12°C (55°F), this humidity feels like a thick blanket wrapping around you, making it a challenge for traveling as you might feel sticky and uncomfortable while exploring the sights.

April Average Humidity in Seymour

This chart illustrates the average monthly humidity levels in Seymour, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Seymour is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Seymour

In Seymour in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Seymour.

Maximum UV Index Levels in Seymour for April

The chart shows the monthly maximum UV Index (UVI) for Seymour in April, 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 April, the maximum UV index in Seymour typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Seymour April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)82 mm (3.2 inches)87%moderate
February Weather3°C (37°F)109 mm (4.3 inches)85%moderate
March Weather7°C (46°F)138 mm (5.4 inches)86%high
April Weather12°C (55°F)121 mm (4.8 inches)84%very high
May Weather19°C (66°F)133 mm (5.2 inches)79%very high
June Weather24°C (75°F)126 mm (5.0 inches)82%extreme
July Weather26°C (78°F)102 mm (4.0 inches)79%very high
August Weather24°C (76°F)98 mm (3.9 inches)70%very high
September Weather22°C (71°F)86 mm (3.4 inches)69%very high
October Weather15°C (59°F)97 mm (3.8 inches)76%high
November Weather6°C (44°F)98 mm (3.9 inches)88%moderate
December Weather4°C (39°F)100 mm (3.9 inches)87%moderate

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