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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 15°C (59°F). Expect a range from a chilling -2°C (29°F) to a warm 31°C (88°F). The month brings about 130 mm (5.1 in) of precipitation over approximately 11 days, while the average humidity remains high at 82%. Prepare accordingly for a mix of weather!

April Temperature in Seymour

In April in Seymour, the average temperature is 15°C (59°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -2°C (29°F). This range offers a unique opportunity for travelers to experience both warm and cool weather during their visit.

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 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec414652596875797773634844
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 130 mm (5.1 in) occurring over 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 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec941551451301071071071119011975131
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 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
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 Weather5°C (41°F)94 mm (3.7 inches)86%moderate
February Weather8°C (46°F)155 mm (6.1 inches)86%high
March Weather11°C (52°F)145 mm (5.7 inches)86%very high
April Weather15°C (59°F)130 mm (5.1 inches)82%very high
May Weather20°C (69°F)107 mm (4.2 inches)85%extreme
June Weather24°C (75°F)107 mm (4.2 inches)85%extreme
July Weather26°C (79°F)107 mm (4.2 inches)83%extreme
August Weather25°C (77°F)111 mm (4.4 inches)76%very high
September Weather23°C (73°F)90 mm (3.5 inches)76%very high
October Weather17°C (63°F)119 mm (4.7 inches)80%high
November Weather9°C (49°F)75 mm (3.0 inches)88%moderate
December Weather7°C (45°F)131 mm (5.1 inches)88%moderate

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