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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 6°C (43°F). However, be prepared for a range of temperatures; it can dip as low as -13°C (8°F) and rise to a pleasant 26°C (79°F). Expect 100 mm (3.9 in) of precipitation over approximately 12 days, contributing to a cozy average humidity of 84%. 🌦️

April Temperature in Seymour

In April in Seymour, the average temperature is 6°C (43°F). Maximums can reach 26°C (79°F), while minimums can dip as low as -13°C (8°F). Be prepared for a mix of chilly and surprisingly warm days, making it a unique time to explore.

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 6°C (43°F), with highs reaching up to 26°C (79°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec202033435768737063503526
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 precipitation amount is 100 mm (3.9 in) over the course of 12 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 100 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec39486010010810611111167964954
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 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3457910997532
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 Weather-7°C (20°F)39 mm (1.5 inches)89%moderate
February Weather-7°C (20°F)48 mm (1.9 inches)90%moderate
March Weather1°C (33°F)60 mm (2.4 inches)87%moderate
April Weather6°C (43°F)100 mm (3.9 inches)84%high
May Weather14°C (57°F)107 mm (4.2 inches)77%very high
June Weather20°C (69°F)106 mm (4.2 inches)75%very high
July Weather23°C (73°F)111 mm (4.4 inches)74%very high
August Weather21°C (70°F)111 mm (4.4 inches)73%very high
September Weather17°C (63°F)67 mm (2.6 inches)78%high
October Weather10°C (50°F)96 mm (3.8 inches)84%moderate
November Weather1°C (35°F)49 mm (1.9 inches)89%moderate
December Weather-3°C (26°F)54 mm (2.1 inches)87%low

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